OBJECTIVE QUESTION WITH ANSWER 1] Match the cutting tools with uses. Cutting Tools: 1) File 2) Hacksaw 3) Chisel 4)Scraper Uses: A] To Remove small amount of metal and finishing purposes B] To remove large amount of metal up to 6mm C] To cutting the metal o scribed line D] To remove the metal on scribed line E] To remove high spot by hand process for obtaining high degree of Accuracy Ans: 1-A 2-C 3-B 4-D 2] Match the cutting tools with uses. Cutting Tools: 1) Drills 2) Reamer 3) Taps 4) Dies Uses: A] For making hole on a job B] To accurate finishing hole and to remove burrs C] For cutting external threads on cylindrical job D] For cutting internal threads in a hole Ans: 1-A 2-B 3-D
4-C
3] Match the marking tools with uses. Marking Tools 1) Marking table 2) Try Square 3) Scriber 4) Divider Uses: A] For placing the job and tools on it for marking B] To draw a scribe line on metal, to indicate dimension C] For marking parallel lines and checking right angles of job D] To scribe circles, arcs and to find out center of round rod Ans: 1- A 2 –C 3-B
4-D
4] Match the marking tools with uses. Marking Tools 1) Surface Plate 2) Universal Surface Gauge 3) Vernier height gauge 4) punches Uses: A] To support the tools for marking and checking B] To register mark to keep up the lines visible till the operation is over C] For talking accurate measurement of height of a job or marking D] For Scribe parallel line locating centre of round bar and for checking of height Ans: 1 – A 2- D 3- C 4-B 5] Match the marking tools with uses. Marking Tools 1) Trammel 2) Bevel protractor 3) Combination set 4) Jenny Caliper Uses: A] For draw a large circles, arcs two parallel lines and also used for laying out materials for boilers, tanks, bridges towers etc. B] To measurement of layout of angles C] For measure the angles with different heads. D] To scribe parallel lines and find centre of cylindrical round bar Ans: 1-A 2-B 3-C 4-D
6] Match the supporting tools with uses. Supporting Tools: 1) Angle Plate 2) V Block 3) Parallel Block 4) Surface Plate Uses: A] To support the tools for marking and checking B] For level testing work pieces horizontally C] For holding round rods with help of U clamp D] To support the job for marking Ans: 1-D 2-C 3-B 4-A 7] Match the holding and striking tools with uses. Holding & striking Tools: 10Vices 2) Clamps 3) hammer 4) Mallet Uses: A] To make uniform surface or bending sheet metal. B] To make job to required shape either cold or hot beats direction the top of the tool C] To grip the job while drilling or fixing the components in bench D] To hold the job firmly in fitting shop. Ans: 1-D 2- C 3-B 4-A 8] Match the Measuring tools with uses. Measuring Tools 1) Steel Rule 2)Vernier Caliper 3) Micrometer 4) Bevel Protractor Uses: A] To measure the simple components of an accuracy of 0.5 mm B] To measure the outer dimension of round, flats, square components and also inner sizes of hole and Bore of an accuracy of 0.02 mm or 0.01 mm. C] To measure outer dimension of round or flat jobs to an accuracy 0.01 mm D] To measure the Angles. Ans: 1-A 2-B 3-C 4-D 9] Match the Checking tools with uses. Checking Tools: 1) Gauge 2) Dial Test indicator 3) Sine Bar 4) Combination Set Uses: A] Used on the manufactured job to know whether it is fir or not B] For measuring the angles C] To check the angles of job D] To check the truth of an object to find degree of an accuracy. Ans: 1-A 2- D 3-C 4-B 10] Match the hand tools with uses. Hand Tools 1) Screw Driver 2) Pliers 3) spanner 4) Wrenches Uses: A] For fastening and dismantling bolts and pipes B] For tightening or loosening nut or bolt C] For tightening or loosening screw D] To hold small job and articles and also use to cut or turn the wires Ans: 1-C 2-D 3-B 4-A 11] Match the sheet metal tools with uses. Sheet metal Tools 10 Snips 2) Stakes 3) Shears 4) Grooves 5) Bench Plate Uses: A] For sheet metal bending grooving riveting and hollowing B] For cutting thick sheet metal C] For cutting thin sheet metal D] For locked joint s in sheet metal works.
E] Different types of making wire edges and slots, holes, round, square in different shapes and sizes and Made in this Ans: 1-A 2-A 3-B 4- D 5-E 12] Match the forging and black smithy tools with uses. Forging and black smithy tools 1) Shavel 2) Sprinker 3) Pocker 4) Tongs Uses: A] For holding jobs in hot conditions and protect the hand from heat and prevent shear while Beating on cold condition B] To make clear way and to know the position of the heated jobs in the Furnace C] To control the fire by filling it with water D] To carry over the fuel into forge as well to remove the slag, ash etc from the fire Ans: 1-D 2-C 3-B 4-A 13] Match the forging and black smithy tools with uses. Forging and black smithy tools: 1) Anvil 2) Swage 3) Hardie 4) Drift Uses: A] To enlarge the hole in hot metals B] It is hole of Anvil, hot metals is kept on it and cut by striking at it C] For finishing the round job D] For hammering a hot job Ans: 1-D 2-C 3-B 4-A 14] Match the forging and black smithy tools with uses. Forging and black smithy tools: 1) Fuller 2) Flatter 3) Cone 4) Rake Uses: A] used in conjunction with each other for making hollow V grooves and necks in round corner. B] For finishing the surface of the plain job C] to make round rings of different sizes in forging works D] To pull the charged fuel over the job Ans: 1- A 2-B 3-C 4-D 15] Match the Gas welding tools with uses: 1) Spark Lighter 2) Tip Cleaner 3) Cylinder Key 4) Wire brush Uses: A] For lighting the gas released from welding torch B] For opening and closing the gas Cylinders spindle valve. C] For cleaning the hole in Nozzle and also used for removing slag from the job after welding D] For cleaning the jobs before and after welding Ans: 1- A 2- C 3- B 4- D 16] Match the Gas welding equipments with uses: Gas Welding Equipments: 1) Oxygen Cylinder 2) Acetylene Cylinder 3) 3 ) Gas Regulator 4) Blow pipe Uses: A] it is black color and its valve has right hand thread B] It is maroon color and its valve has left hand thread C] To supply the gas to welding torch at a proper and reduced pressure D] For gases supplied to the welding torch from cylinder Ans: 1-A 2-B 3-C 4-D 17] match the Welding Safety Equipments with used. Welding Safety Equipments: 1) Welding torch 2) Welding goggles 3) Hand gloves 4) Apron Uses: A] to mixed oxygen and acetylene gases desired proportion in it B] For protects of eyes against and possible bad effect of the flame C] For the protection of hand against any possible burn during welding D] For protection body from spark while doing welding Ans: 1-A 2-B 3-C 4-D
18] Match the Arc welding equipments with uses: Arc Welding Welding Equipments: Equipments: 1) Welding Cable 2) Cable connector 3) Earth Clamp 4) Electrode holder Uses: A] To pass the current from welding machine to the electrode holder B] To hold the electrode C] For connecting the earth and cable to placed on the welded jobs while welding. D] For joining two cable pieces or for connecting the cable to the welding machine. Ans: 1-A 2-D 3-C 4-B 19] Match the Arc welding equipments with uses: Arc Welding Welding Equipments: Equipments: 1) Weld gauge 2) Welding electrode 3) Oxygen Cylinder 4) Acetylene Cylinder Uses: A] used in Arc Welding B] For measuring the depth of weld C] Oxygen is store in a cylinder is called D] Acetylene gas is store in a Cylinder is called Ans: 1- B 2- A 3- C 4- D 20] Match the drilling attachments with uses. 1) Drill Chuck 2) Drill Sleeve 3) Drill Drift 4) Drill bit Uses: A] For making hole on a job B] To remove the big drill or sleeve from spindle C] To hold the shanks of different size from spindle of machine. D] To hold the drills. Ans: 1- D 2-C 3- B 4- A 21] Match the tools with uses. 1) Counter boring 2) Counter sinking 3) spot facing 4) Reaming Uses: A] making enlarging top of holes to round head screw to sit B] Making cone shaped enlarging of hole months for counter shrunk screw to fit C] Making accurate size of hole and finishing D] Make level for sealing of washer keys. Ans: 1- A 2- B 3-D 4- C 22] match the lathe accessories with used 1) Chuck 2) Carrier 3) Catch plate 4) Face Plate Uses: A] To grip the jobs is tightened in and slots with the help of nut- bolts B] To grip the jobs to be turned C] To gripping bent types jobs D] The jobs tied in this and fitted in the catch plate Ans: 1- B 2- D 3- C 4- A 23] match the lathe accessories with used 1) Steady rest 2) mandrel 3) Lathe centre 4) Tail stock Uses: A] To support support a cylindrical lengthy job B] For turning a job along its entire length and for speed up the production process C] It is fitted with head stock, and tail stock to grip job. D] For centre to centre turning of lengthy. Ans: 1- A 2- B 3- C 4- D 24] match the following fastener with used 1) Nut 2) Bolt 3) Rivet 4) Screw Uses: A] To join small parts of machine B] To join two metallic sheets. C] For fastening purposes, it having a threaded hold in it. D] For fastening purposes the cylindrical rod have threaded on one end and head is another end Ans: 1-C 2- D 3- B 4- A
25] Match the following with uses. 1) Stud 2) Cotter 3) pin 4) Key Uses: A] The piece of metal inserted on axial direction between hub and shaft and making Them to rotate jointly B] For locking jointly C] To join two such parts of machine it having standard threads on both ends. D] To join two parts of a machine like a key Ans: 1- C 2- D 3- B 4-A 26] Match the following with uses. 1) Jigs 2) Fixture 3) Template 4) Washer Uses: A] To protect the threads of bolt or screw and helps loosening nut easily. B] To hold the job and guide the tool C] To hold the job during turning, milling and shaping operation D] For marking similar jobs at a time and also used for checking. Ans: 1- B 2- C 3- D 4 – A 27] Match the following with uses. 1) Lubricator 2) Lubricant 3) Coolant 4) Lubrication Uses: A] Increase tool life and protects job from rust B] To lubricate the machine parts C] Increase the machine life and protects the jobs from rust D] The process of putting lubricant at the places of Friction between two different parts of a machine Ans: 1- B 2- C 3- D 4- B 28] Match the following with uses. 1) Abrasive 2) Bond 3) Aluminum Oxide 4) Grinder Uses: A] To making grinding wheel B] To giving fine finish to surface of job C] To blind Abrasive grains to making grinding wheel D] Artificial abrasive. Ans: 1- A 2- C 3- D 4- B 29] Match the following with uses. 1) Welding transformer 2) Generator 3) Rectifier 4) Bearing Uses: A] To give support to the shafts while they are in motion B] Convert the AC main supply into Ac welding supply C] To convert AC into DC welding supply D] To generate DC for Arc welding Ans: 1- B 2- D 3- C 4- A 30] Match the following with definitions. 1) Stress 2) Strain 3) Opaque 4) Conductivity Uses: A] Change in length/Original length B] Load / Area of cross section C] We cannot see through metals. D] The ability to carry the electrical current or heat. Ans: 1- B 2- A 3 – C 4- D 31] Match the following with properties. 1) Toughness 2) Brittleness 3) Ductility 4) Malleability Properties: A] Metal can draw into wires. B] Metal can be hammered or rolled out without breaking or cracking. C] It does not break or deform even after bending or twisting. D] The metal breaks and disintegrates into pieces. Ans: 1- C 2- D 3- A 4- B
32] Match the following with Flames. 1) Equal quality of oxygen and acetylene gas 2) Percentage of Acetylene gas is less than Oxygen. 3) Percentage of Acetylene gas is more than Oxygen. Flames: A] Neutral Flames B] Carburizing Flame C] Oxidizing Flame Ans: 1- A 2- C 3- B 33] Match the following pulleys with machine. 1) Stepped pulley 2) V. Grooved pulley 3) Split Pulley 4) Cone Pulley Uses: A] In electric motors and Automobiles B] In drilling machine, lathe machine C] In saw machine D] In a set of two pulleys. Ans: 1 – B 2- A 3 – C 4 – D 34] Match the following with Products. 1) Blast Furnace produce 2) Cupola Furnace produce 3) Puddling Furnace Produce Products: A] Pig Iron B] Cast Iron C] Wrought Iron Ans: 1- A 2- B 3- C 35] Match the percentage of carbon contect with steels. 1) Low Carbon Steel 2) High carbon steel 3) Medium Carbon Steel Percentage of Carbon: A] 0.7 % to 1.5 % B] 0.3 % to 0.7 % C] 0.07 % to 0.25 % Ans: 1- C 2 – A 3- B 36] Match the following fits with definition. 1) Clearance fit 2) Transition Fit 3) Interference Fit Defination: A] Shaft size is less than hole size B] Shaft size is equal to hole size C] Shaft size is bigger than whole size Ans: 1- A 2- B 3- C 37] Match the following Files with uses. 1) Straight file 2) Cross File 3) Draw File 4) File card. Uses: A] The metal quickly cut. B] The entire job becomes plain and smooth C] Method is done to bring finishing on the job D] To remove chips. Ans: 1 – A 2- B 3- C 4- D 38] Which file is used to rapid removed of soft materials such as aluminum lead, wood and leather? 1) Single cut file 2) Double cut file 3) Rasp Cut File 4) Curved cut File 39] Which file having 12 teeth per cm? 1) Rough File 2) Bastard File 3) Smooth File 4) Dead Smooth File. 40] Which blade is hardened to the full length between the pin holes? 1) Flexible blade 2) Spring back blade 3) A l l h a r d b l a d e 4) Flexible Center blade 41] Wave set of blade pitch is 1) 0.8 mm 2) 1.0 mm
3) over 1.0 mm
4) Below 0.8 mm
42] Which blade is used to cut slots and contours? 1) Circular Saw blade 2) Machine Saw Blade 3) Rod Saw Blade 4) H a n d H a c k S a w B l a d e 43] Match the uses with chisels. 1) Flat Chisel 2) Cross cut chisel 3) Half Round nose chisel 4) Diamond point Chisel 5) Web Chisel Uses: A] For cutting key ways ways grooves and slots. B] For cutting curved grooves. C] To remove metal from large flat surfaces and chip excess metal off weld joint and casting D] For squaring materials at the corners. E] For separating metals after chain drilling. Ans: 1-C 2 – A 3-B D-4 E – 5 44] Match the Uses with Scrapers. Uses: 1) to clean the corner 2) For scraping high spots between bearing and bushes 2) For Scraping broad surfaces 4) For Scraping high spots of plain surface. 5) For common work Scrapers: A] Flat Scraper B] Triangle Scraper C] Hook Scraper D] Half Round Scraper E] Double handle Scraper Ans: 1- B 2- D 3-E 4-A 5- C 45] Which tool is used to marking lines on metal draw a scribe line to indicate Dimensions? 1) Scraper 2) Divider 3) Scriber 4) Punch 46] For testing an angle other than 90º 1) Try Square 2) P r o t r a c t o r 3) Scribing Block 47] For testing parallelism use: 1) Try Square 2) Protractor 3) S c r i b i n g B l o c k 48] For checking Squareness , to measure the right angles. 1) T r y S q u a r e 2) Protractor 3) Scribing Block 49] The tool, which which is used for registered mark to keep up the lines visible till the operation is over The operation is over 1) Chisel 2) Divider 3) Scriber 4) P u n c h 50] Match the vices with uses. 1) Bench vice 2) Carpenter Vice 3) Leg Vice 4) Pipe Vice Uses A] To hold job firmly and also called as fitter vice B] To hold job for hammering chipping cutting in black smithy shop. It is also called As black smithy vice vice C] To holding circular sections of metal parts, tubes, pipes etc. D] To hold the wood item in carpenter shop Ans: 1 – A 2 – D 3 – B 4-C 51] Match the foot rules with uses. Rules: 1) Shrink Rule 2) Short rule 3) Folding rule 4) Foot rule Uses A] Used by pattern maker B] Used by machinist and die makers C] Used by Carpenters. D] Used for physically measuring any articles. Ans: 1 – A 2 – B 3 – C 4 – D 52] Match the following parts of vice with material. 1) The box nut of a bench vice is made of 2) The bench vice spindle is made of 3) The jaw plate of bench vice is made of 4) Steel rule is made of Material: A] Stainles steel B] Phosphorous bronze C] Mild steel D] Tool Steel Ans: 1 –B 2 – C 3 – D 4 – A
53] Match the instrument s with least count 1) Steel rule 2) Vernier Caliper 3) Micrometer Least Count: A] 0.5 mm B] 0.01mm C] 0.02mm Ans: 1 – A 2 – C 3 – B
4) 1 Cm D] 10mm 4 – D
54] The tool which is used to support the job and to provide a vertical or angular plane for marking 1) Try Square 2) S c r i b i n g b l a c k 3) Angle plate 4) Surface Plate 55] The slots are provided an angle plate for: 1) A c c o m m o d a t i n g b o l ts t s 2) Hanging with hooks
3) reducing weight
56] The tool which is stated by size number 1) Surface plate 2) A n g l e p l at 3) Marking table at e
4) Aligning the work 4) V block
57] Match the parts of combination set with their uses. 1) Square head 2) Centre head 3) Protractor Head Uses of head: A] Marking and measuring any angle B] Checking the 45 degree and 50 degree angle C] To find the centre of cylindrical job Ans: 1 – B 2-C 3 – A 58] Match the Gauges with uses. 1) Drill Gauge 2) Drill Point Gauge 3) Centre Gauge 4) Feeler Gauge Uses: A] To measure the size of drill B] To check the lip angle of drill bit after grinding C] To determined size of small gauge and clearance D] To Cutting tool for the cutting V threads. Ans: 1 – A 2 – B 3 – D 4 – 59] The file used for general purpose filing is called 1) Square File 2) Flat File 3) Mill file 4) Hand file 60] Pig Iron is refined to produce cast iron in Furnace called 1) Blast Furnace 2) C u p o l a F u r n a n c e 3) Puddling Furnace
4) Bessemer Method
61] Pig iron is refined in a puddling Furnace and the product is known as: 1) Pig Iron 2) Cast Iron 3) W r o u g h t Ir 4) Steel Ir o n 62] The File which is used for Round purpose is called. 1) Flat File 2) Triangle file 3) R o u n d f i l e
4) Square File
63] The file is pushed and pulled over the job. This every two actions are called. 1) One Stroke of File 2) Two stroke of file 3) Three stroke of files 4) Four Stroke of file 64] The type of file which is commonly used in lathe work is called 1) Warding file 2) Needle file 3) Mill file
4) Piller file
65] The act of joining slip Gauges is termed as: 1) Grouting 2) Creeping 3) Seaming
4) W r i n g i n g
66]
If in a micrometer, Zero on barrel and thimble are coinciding but still thee is gap between the face Anvils the error is known as: 1) Positive error 2) Negative error 3) Zero error 4) Normal error
67] The hammers with head made of lead, copper are called: 1) Soft hammer 2) H a r d h a m m e r 3) Mallet
4) Sledge hammer
68] The tool is used to finish drilled hole is called: 1) Reamer 2) File 3) Hacksaw
4) Drill
69] While drilling a large hole, a small size hole is is first drilled the hole is known as: 1) Latest hole 2) Minor hole 3) P i l o t h o l e 4) Drilled hole 70] Back portion of the drill cutting edge is known as: 1) S h a n k 2) Flutes 3) Dead Centre
4) Heel
71] Last pointed end of the drill is called: 1) Lip 2) Dead Centre
3) Shank
4) Heel
72] Cutting inside thread is called 1) T a p p i n g 2) Reaming
3) Dyeing
4) Drilling
73] Cutting outside thread is called 1) Tapping 2) Reaming
3) Dyeing
4) Drilling
74] The top surface which joints t he two sides of a thread is known as: 1) Root 2) Crest 3) Pitch 4) Lead 75] The bottom surface which joints the two sides of thread is known as: 1) Crest 2) R o o t 3) Lead 4) Pitch 76] The included angle between the sides of thread measured in in an axial plane is known as: 1) Angle of thread 2) Pitch of thread 3) Depth of thread 4) Form of thread 77] The surface of the thread which connects crest and the root is known as: 1) F l an 3) Root 4) Pitch an k o r s i d e 2) Crest 78] The property due to which any metal can cut other metal is called: 1) H a r d n e s s 2) Brittleness 3) Toughness 4) Ductility 79] An alloy of copper and zinc is called: 1) B r a s s 2) Bronze
3) Lead
4) Gold
80] An alloy of copper and tin is called: 1) Brass 2) Bell metal
3) B r o n z e
4) 2 and 3
81] An alloy of copper, tin and zinc is called: 1) Brass Metal 2) Bronze Metal 3) Gun Metal
4) Soft Metal
82] Brittleness in the metal when hot is called 1) H o t S h o r t n e s s 2) Hot highest 3) Hot weakness
4) Hot Minus
83] A key with head is called 1) Gib Head key 2) Wood ruff key 3) Feather Key 84] Joining of two metals together without melting is known as: 1) Riveting 2) Welding 3) Soldering
4) Round Key 4) Brazing
85] The mutual connection between two joining parts is called: 1) Fi t 2) Limit 3) Loose
4) Tolerance
86] The difference between upper limit and lower limit is called: 1) Tolerance 2) Allowance 3) Bilateral tolerance
4) UNMATERAL tolerance
87] It is an intentional difference in the size of mating part is called: 1) Tolerance 2) Interference 3) A l l o w a n c e
4) Transition
88] The device for guiding the tool s called 1) Fixture 2) J i g s
3) Clamp
4) Leg vice
89] A shaft at centre of wheel is called 1) A x e l 2) Housing
3) Cylindrical rod
4) Square rod
90] The maximum dia of work which can accommodate when when held between centres centres in lathe is known: 1) S w i n g d i a m e t er 2) Core diameter 3) Major diameter 4) Length of bed er 91] Double helical gears are called: 1) H e rr 2) spur gear rr i n g b o n e g e a r
3) Bevel Gear
4) Worm gear
92] The process of increasing cross section of of a bar at the expanded of its length by forging is called: 1) Upsetting 2 ) D r aw i n g o u t 3) Drifting 4) Jumping 93] Front end of Anvil is called 1) Face 2) Base
3) Beak
94] The square hole of the tail end of Anvil is called: 1) Base 2) Face 3) Hardie Hole
4) Hardie 4) Punch Hole
95] Before welding the joining parts of the assembly is kept at square specific distance is called: 1) R o o t G a p 2) Blow Hole 3) Porosity 96] Any change that occurs during welding in shape and size of joining pieces is known as: 1) Distartion 2) porosity 3) Root Gap 4) Blow hole 97] A group of pin hole in the weld is called: 1) P o r o s i t y 2) Distartion 3) Root Gap
4) Blow Hole
98] A large hole in the weld is called: 1) B l o w h o l e 2) Punch Hole
4) Face
3) Hardie hole
99] The distance between adjacent teeth is known as: 1) P i t c h o f t h e b l a d e s 2) All bard blade 3) flexible blade
4) Flank
100] an operator who does fitting something is called: 1) Fitter 2) Turner 3) Machinist
4) Welder
101] Fitter is also called 1) Electrician
4) Wireman
2) T e c h n i c i an
3) Good person
102] Hand hacksaw blade is called 1 2) Low Tungsten blade 3) Low carbon steel blade 4) Jewellery blade ) ) A l l h ar d b l ad e 103] A Chemical compound of carbon with Iron is called 1) Ferrite 2) Pearlite 3) Cementite
4) Austenite
104]
the distance, which the cutting edge of tool passes over the material in a minute while Machining is known as: 1) R.P.M. 2) Feed 3) Machine Speed 4) C u t t i n g S p e e d
105] The process of applying oxide on aluminium is known as: 1) Oxidizing 2) A n o d i z i n g 3) Galvanizing
4) Cyninding
106] Material used for coating the welding electrode is called: 1) Binder 2) Deoxidiser 3) Protective layer
4 ) Fl u x
107] the portion behind the cutting edge is grinded at a special angle it is known as: 1) Rake angle 2) Lip angle 3) c u t t i n g a n g l e 4) Clearance angle 108] steel which which contain 0.8 % to 2.1% of carbon is called: 1) Hypo eutectoid steel 2) Eutectoid steel 3) H y p e r e u t e c t o i d s t e el el 4) Carbon 109] the art of cutting the corners of metallic sheet for making cuboid shaped job is called: 1) Seaming 2) Punching 3) Notching 4) Piercing
110] the chemical method of cleaning is called: 1) Picking 2) Smelting 3) Piercing
4) Swazing
111] Rod with threads on both ends is called as; 1) Nut 2) Bolt 3) S t u d
4) Tapped Nut
112] A minimum measurement that can correctly read with a vernier caliper is called: as t c o u n t 1) Zero reading 2) L e as 3) Main scale Reading 4) Actual reading minus zero error 113] an angle which is less than 90 degree is called: 1) Shluse angle 2) A c u t e a n g l e 3) Right angle
4) None of the above
114] a plug Gauge which has its “Go” and “No Go” sizes on the same end is known as: 1) Single ended plug gauge 2) Double ended plug Gauge 3) P r o g r e s s i v e p l u g G a u g e 4) Continuous plug Gauge 115] the cutting tool used to finish and enlarge a hole is known as: 1) Drill 2) Tap 3) Die
4) Reamer
116] the grooves provided on the entire length of the body of a twist drill are called: 1) Lips 2) Margins 3 ) Fl u t es 4) Webs 117] a hole which is not made through full depth of component is known as: 1) Core hole 2) Pin hole 3) B l i n d H o l e 4) Bore Hole 118] the relief angle given behind the cutting lips is called: ra n c e a n g l e 2) Helix angle 1) L i p c l e a ra 3) Rake angle
4) Chisel edge angle
119] the process of beveling the end of existing hole is called: 1) Spot facing 2) counter boring 3) Boring
4) c o u n t e r S i n k i n g
120] the distance a drill advances into job is one one complete complete revolution is known known as: 1) R.P.M. 2) Cutting speed 3) Feed 4) Machine speed 121] the distance through which which a screw advances axially in one turn is called: called: 1) Pitch of thread 2) L e a d o f t h r e a d 3) Depth of thread 4) Diameter of thread 122] a drilled hole after tapping is called: 1) Core hole 2) chain hole 3) T ap 4) Reamed hole ap p e d h o l e 123] in a gear, the pitch diameter divided by the number of teeth is called: 1 2) Pitch 3) Addendum 4) Dedendum ) ) M o d u l e 124] the height from the pitch circle of of a gear to the tip of the tooth is called: 1) A d d e n d u m 2) Dedemdum 3) Centre distance 4) Crest 125] the sum of addendum and dedendum of the tooth of gear gear is called: 1) W h o l e d e p t h 2) Tooth depth 3) Working depth 4) Root depth 126] the depth of the tooth space a gear below the pitch circle is called: 1) Addendum 2) D e d e n d u m 3) Centre distance 4) crest 127] the measure size of the dimension of a component is called: 1) B a s i c s i z e 2) Nominal size 3) Allowed size
4) Actual size
128] In case hardening process ammonia gas is introduced on steel the process is known as: 1) Cyaniding 2) N i t r i d i n g 3) Carburizing 4) Anodising 129] during heat treatment when carbon is dissolved to form solid solution it is known as: 1) Ferrite 2) Pearlite 3) A u s t e n i t e 4) Cementide
130] the process of increasing carbon percentage on the surface of low-carbon steel is known as: 1) Hardening 2) Nitriding 3) C a r b u r i z i n g 4) Tempering 131] the process of reduction of the iron ore to pig iron is known as: 1) Swazing 2) S m e l t i n g 3) Seeming 4) Scraping 132] the process of heating steel to about 40 degree above the upper critical temperature and cooling it in still air to room temperature is known as: 1) Hardening 2) Annealing 3) N o r m a l i s i n g 4) Tempering 133] the thickness of sheet metal is indicated by a series of numbers, which is called as: an d a r d w i r e g a u g e 3) Standard size 1) Number size 2) S t an 4) None of the above 134] the type of the hammer which both the faces are flat and which is used for heavy work in smithy shop is called: 1) Bell pane hammer 2) Cross pane hammer 3) Claw hammer 4) S l ed ed g e h a m m e r 135] Smooth side of a leather belt is called: 1) Flesh side 2) Hair Side
3) Right side
4) Left side
136] the pulley from which which power is taken is called: 1) Driver pulley 2) Driven Pulley 3) Cone Pulley
4) Stepped pulley
137] the pulley to which power is taken is called: 1) Driver pulley 2) Driven Pulley
4) Stepped pulley
3) Cone Pulley
138] Ability of one material to penetrate into another without Fracture is called: 1) Toughness 2) H a r d n e s s 3) Brittleness 4) Malleability 139] Characteristic of metal by which which they become Fluid through the Application of heat is called: 1) F u s i b i l i t y 2) Tencity 3) Conductivity 4) Malleability 140] Oil in water Emulsion is called: 1) Cooling liquid 2) C u t t i n g e m u l s i o n s
3) Viscosity
141] Water in oil Emulsions is called 1) Cutting emulsions 2) C o o l i n g l i q u i d
3) Viscosity
142] the factor ultimate strength/ allowable unit stress is called as: 1) Stress 2) Strain 3) Factor of safety 4) Modulus of Elasticity 4) 143] Jenny Caliper is also called: 1) Odd leg caliper 2) Hermaphrodite caliper
3) Venier Caliper
4) 1 & 2
3) Rasp cut
4) Vexin File
3) Square Nut
4) Fly Nut
146] Land is also called: 1) Flutes 2) Lip
3) Margin
4) Shank
147] Centre drill is also called: 1) C o m b u n a t i o n d r i lll l 2) shell drill
3) spiral drill
4) wood working drill
144] Curved cut file is also called is: 1) Single cut file 2) Second cut file 145] Wing nut is also called: 1) Cup nut 2) Ring Nut
148] Spiral Fluted reamer is also called: 1) Rose Reamer 2) Helical Fluted Reamer 3) Pilot Reamer
4) Shell Reamer
149] Second tap is also called: 1) Fluteless tap 2) Master tap
3) Intermediate tap 4) Extension Extensi on tap
150] Pitch dia is also called: 1) Effective dia 2) Major Dia
3) Minor dia
4) Crest
151] Minor dia is also called: 1) Effective dia 2) core dia
3) Root
152] Dial test indicator is also called: 1) I n d i c a t i n g g a u g e 3) Universal test indicator
2) Balanced dial test indicator 4) Universal Junior indicator
153] Surface gauge is also called: 1) S c r ib 2) V Block ib i n g B l o c k
3) Parallel Block
154] Hand file is also called: 1) Knife edge files 2) Half round file
3) Safe edge file 4) Warding file
155] Micrometer is also called 1) Slip gauge 2) Screw gauge
3) Plug gauge
156] Catch plate is also called: 1) D r i v i n g p l a t e 2) Face plate 157] Carrier is also called 1) Chuck 2) ' D o g '
3) Steady rest
4) Crest
4) Marking instrument
4) Ring gauge 4) Mandrel12.
3) Mandrel
4) Lather centre
158] Swaging is also called: 1) Upsetting 2) Hollowing
3) Grooving
4) C o r r u g a t i n g
159] Basic size is also called for: 1) Nominal size 2) Actual Size
3) Original theoretical size 4) A & C
160] Right hand thread is also called as: 1) Tapered thread 2) Simp le thread
3) Worm thread
161] Profile gas cutting machine is also called: 1) C r o s s c a r r i ag ag e c u t t i n g m a c h i n e
2) Large circle cutting machine
4) Knuckle thread
162] Four jaw chuck is also called: 1) Self centering chuck 2) Magnetic chuck 3) I n d e p e n d e n t c h u c k o r u n i v e r s a l 4) collet chuck 163] Three jaw chucks is also called: 1) Magnetic chuck 2) s e l f c en en t e r i n g c h u c k 3) collet chuck
4) Universal chuck
164] Double helical gears are also called: 1) Bevel gear 2) spur gear
3) Worm gear
rr i n g b o n e g e a r 4) H e rr
165] Low carbon steel is also called: 1) Mild steel 2) High speed steel
3) Stainless steel
4) Venadium steel
166] the process of cutting a groove on a circular hole is called: called: 1) Spot facing 2) Blanking 3) Shearing
4 ) Tr ep an n i n g
167] The process of cooling steel piece in oil or water water after heating its upper critical point is called: 1) Hardening 2) Tempering 3) Q u e n c h i n g 4) Annealing 168] the process of joining the various various parts of the machine is called: 1) Riveting 2) Fastening 3) Brazing 4) Welding 169] the process of joining two metallic sheets is called: 1) Fastening 2) R i v e t i n g 3) Soldering 4) Blanking 170] the process of zinc coated on the Iron is called: 1) Anodizing 2) Galvanizing 3) Tining 4) Painting 171] the process of Tin solution CC at the Iron is called: 1) Galvanising 2) T i n n i n g 3) Painting 172] Steel rule is made of: 1) Cast iron 2) Zinc 3) Brass
4) Stainless steel
173] File is made of: 1) H.S.S.
4) Special tool steal
2) H.C.S.
3) Cast Iron
4) Electroplating
174] Scriber is made of: 1) H.C.S. 2) H.S.S.
3) Pig Iron
4) Cast Iron
175] Surface plate is made of : 1) C a s t Ir Ir o n o r g r a n i t e 2) Wrought Iron
3) pig Iron
4) Cast iron
176] Chisel is made of: 1) Pig iron
3 ) H .C .S .
4) H.S.S.
177] Twist drill is made of el 1) H i g h s p e e d s t e el 2) Low carbon steel
3) Cast Iron
4) Tungsten steel
178] the bench vice spindle is made of: 1) Mild steel 2) Cast Iron
3) Tool steel
4) Bronze
179] The Box Nut of a bench vice are made of 1) Tool steel 2) Mild steel
3) Cast Iron
4) P h o s p h o r u s b r o n z e
180] the jaw plates of bench vice is made of: 1) Cast Iron 2) Bronze
3) Mild steel
4) Tool steel
2) Cast Iron
181] Hack saw blade is made of : 1) High carbon steel 2) Low carbon steel
3) H i g h s p e e d s t e el el
182] Leg vice is made of 1) Tungsten Steel 2) Forged Steel
3) Mild steel
4) Mild steel 4) Low carbon steel
183] Slip Gauges is made of: 1) Low carbon steel 2) H i g h g r a d e s t e e l w i t h l o w t h e r m a l e x p a n s i o n 3)Mild steel 4) Bronze 184] Grinding wheel is made of: 1 2) Bronze 3) Low carbon steel 4) Forged Steel ) ) A b r as i v e 185] Bearing is made of: 1)G u n m e t al 2) Brass al
3) bronze
4) Tool steel
186] Crane Hook s is made of: Ir o n 1) W r o u g h t Ir 2) Tool steel
3) Cast Iron
4) Forged steel
187] Drilll jig Bushings are made of: 1) Tool steel 2) Low carbon steel 3) Alloy steel
4) Mild steel
188] Gauges are made of : 1) A l l o y s t e el 2) Mild steel el
3) Cast Iron
4) Tungston Steel
189] Bulb Fitments is made of: 1) Alloy steel 2)Bronze
3) T u n g s t o n S t e el el
4) Chromium Steel
190] Shaving blade is made of : 1) Stainless steel 2) Chromium Steel 3) Tungston Steel
4) Mild steel
191] Lathe bed is made of: 1) Pig Iron 2) Wrought Iron
4) Alloy steel
3) Cast Iron
192] G.I.Pipe and Nails is made of: 1) Cast Iron 2) W r o u g h t Ir 4) Low cabon steel Ir o n 3) Pig Iron 193] Railway line is made of: 1) Chromium steel 2) Manganes e steel 3) Vanadium steel 4) Tool steel steel 194] Coins are made of: 1) Silver 2) Brass 3) Bronze 4) Mild steel 195] Watch parts are made of: el 2) Vanadium Steel 3) manganese Steel 1) C h r o m i u m S t e el 4) Low carbon steel
196] Electrician equipments is made of 1) Gold 2) Siler 3) C o p p e r
4) Zinc
197] Aeroplane made of: 1) Sheet metal 2) Bronze metal
4) Low carbon steel
3) Mild steel
198] Solid Forged Boring Tool is made of: 1) H i g h c a r b o n s t e e l 2) High speed steel 3) Cast iron
4) Mild steel
199] Micrometer is made of: ee l 1) N i c k l e C h r o m i u m S t ee
2)Bell Bronze
3) Stainless steel
4) Manganese Steel
200] Vernier caliper is made of: ee l 1) N i c k l e C h r o m i u m S t ee 2)Bell Bronze
3) Stainless steel
4) Manganese Steel
201] Swage Block is made of: 1) Cast iron 2) Wrought Iron
3) High Speed steel 4) High carbon steel
202] Anvil is made of: 1) Cast steel with a welded h ardened steel 2) Pig Iron
3)Wrought Iron
4) Alloy Steel
203] Point angle of scriber is : 1) 60degree 2) 30 degree
3) 5 to 10 degree
4) 12 to 15 degree
204] The point angle of Centre Punch is: 1) 30 degree 2) 60 degree
3) 90 degree
4) 120 degree
205] V Block is used to hold round bars it has a vee groove which is usually: 1) 30 degree 2) 60 degree 3) 90 degree 4) 120 degree 206] V Blocks are available in grade of: 1) 0 &1 2) 1 & 2
3) A1 & A2
207] For general general purpose a bench vice is fixed at a height of: 1)80 cm 2) 90 cm 3) 106 cm
4) A & B 4) 125 cm
208] Generally the length of the handle of a vice is: .5 t i m e s t h e n o m i n a l s i z e o f t h e v i c e 1) 1.5 times the nominal size of the vice 2) 2 .5 3) 3.5 times the nominal size of the vice 4) 4.5 times the nominal size of the vice 209] The minimum measurement that can be read with the help of a steel rule is: 1) 0.01 mm 2) 0.02 mm 3) 0.05 mm 4) 0.50 mm 210] The length of the hammer handle for a 500 gm. gm. Hammer should be about: 1) 275 mm 2) 300 mm 3) 325 mm 4) 350 mm 211] The least count of vernier caliper is: 1) 0.01 mm 2) 0.02 m m 3) 0.05 mm
4) 0.08 mm
212] The least count of Metric Micrometer of: 1) 0.05 mm 2) 0.50 mm 3) 0.01 m m
4) 0.10 mm
213] The least count of Vernier Height Gauge is: 1) 0.02 m m 2) 0.01 mm 3) 0.05 mm
4) 0.20 mm
214] The least count of vernier bevel protractor is: 1) 1` 2) 5’ 3) 10‟
4) 25‟
215] The value value of each Vernier Vernier scale division of vernier bevel protractor is: 1) 1 degree 3) 1 degree 55’minute 4) 2 degree 2) 5‟ minute 216] The value of each main scale division of vernier bevel protractor is: 1) 1 degree 3) 1 degree 55 second 4)1/2 degree 2) 5‟ minutes
217] The Least count of Universal bevel protractor is: 1) 0.5 minutes 2) 5” minutes 3) 5‟ second 218] The Least count of vern ier depth gauge is 1) 0.10 mm 2) 0.01 mm 3) 0.20 mm
4) 5 degree 4) 0.02 mm
219] The Least count of Vernier Caliper is equal to: 1) The Value of 1 MSD – Value of 1 VSD 2) The value of 2 MSD – value of 1 MSD 3) The Value of 2 MSD - Value of 1 VSD 3) The Value of 1 MSD + value of 1 VSD 220] Accuracy of reference gauge is: 1) 0.05 mm 2) 0.01 mm
3) 0.001 0.001 m m
4) 0.0001 mm
221] Hardness of slip gauges should be: 1) Less than 50 HRC 2) 55 HRC
3) 50 HRC
4) 63 HRC
222] For general use in workshop, slip gauge of which grade are used: 1) Grade – I 2) Grade – II 3) Grade – 0 4) None of the above 223] The point angle of twist drill for general purposes is: 1) 135 degree 2) 118 degree 3) 90 degree
4) 60 degree
224] The lip clearance angle of Twist drill for general purpose should be 1) 3 to 5 degree 2) 4 to 6 degree 3) 8 to 12 degree 4) 12 to 15 degree 225] The angle of drill grinding gauges is: 1) 59 degree 2) 118 degree
3) 121 degree
226] The cutting angle of a chisel for chipping aluminium is: 1) 30 degree 2) 55 degree 3) 60 degree
4) 124 degree 4) 70 degree
227] The most suitable pitch of the hacksaw blade for cutting thin section section tubes is: 1) 0.8 mm 2) 1.0 mm 3) 1.4 mm 4) 1.8 mm 228] The suitable pitch of hacksaw for cutting solid brass is: 1) 1.8 2) 1.4 mm 3) 1.0 mm 1.8 mm
4) 0.8 mm
229] The taper shank of a drill of 20 mm diameter has: 1) MT -1 Taper 2) M T – 2 Taper 3) MT – 3 Taper
4) MT -4 Taper
230] A standard taper given on a taper key is: 1) 1 : 50 2) 1 : 100 3) 1 : 48
4) 1 : 96
231] The angle of‟ V‟ thread ( „V‟ shaped ) is a: 1) 47 ½ degree 2) 50 degree 232] The size of Engineer vice is specified by: 1) W i d t h o f j a w 2) Length of movable jaw above 233] The size of angle plate is specified by: 1) Weight 2) Length
3) 60 degree 3) Length of spindle
ze n u m b e r 3) S i ze 15.
234] The size of Hammer is specified by: 1) Type of Hammer 2) Size and range of Hammer
4) 29 degree 4) None of the
4) Length X width
3) Type of material 4) a l l o f t h e a b o v e
235] The size of vernier height gauges specified by: 1) Width of the beam 2) H e ig 3) Weight of the beam ig h t o f t h e b e a m scriber
4) size of the
236] The size of drilling machine is specified by: 1) Capacity of machine 2) Types of drilling machine 3) speed of spindle 4) a l l o f t h e ab ab o v e
237] The size of twist drill is specified by: 1) Size of drill in diameter 3) Types of material manufactured
2) Types of shank of drill bit 4) A l l o f t h e a b o v e
238] The final tap specified by: 1) Material 2) Size of Tap 3) Types of Tap 4) A l l o f t h e a b o v e 239] The size of Grinding wheel is specified by: 1) Speed of grinding wheel 2) Types of grinding wheel 3) capacity of Grinding 4) A l l o f t h e a b o v e 240] The size of Micrometer specified by: 1) Range of Micrometer 2) Types of Micrometer 3) Shape of Micrometer 4) A l l o f t h e a b o v e 241] The bearing is specified by: 1) outer dia of bearing 2) Bore dia of bearing 3) Width of the bearing 4) A l l o f t h e a b o v e 242] The square thread specified by: 1) Angle of thread = 90 2) Depth of thread =0.5 X pitch 3) Crest and root = 0.5 X pitch 4] A l l o f t h e a b o v e 243] The lathe specified by: 1) length of the lathe bed 2) Height of the base from centre 3) Swing over the bed or swing over carriage 4) A l l o f t h e a b o v e 244] The chuck specified by : 1) Capacity of chuck 2)Width of chuck 3) Diameter of chuck 4) A l l o f t h e a b o v e 245] A Rivet is specified by the diameter: 1) Head diameter 2) Tail 3) S h a n k 4) All of the above 246] The size of sine bar specified by the: 1) Weight 2) Measurement of width 3) Maximum angle of setting 4) A l l o f t h e a b o v e 247] Single cut file used for filing: 1) Hard Material 2) Soft Material 3) Aluminium 4) A & B 248] When not in use the steel rule: 1) A p p l y t h e t h i n L a y e r o f o i l 2) Clean by kerosene or water 3] Keep it in soft cloth 249] which joint is a permanent joint: 1) Bolt and Nut 2) Araldite bonding 3) Riveting 4) W e l d i n g 250] One Micron is a: 1) 0.01 mm 2) 0.001 m m 3) 0.001 inch 4) 0.0001 mm 251] Sine bar is used to measure: 1) Squareness 2) Parallelism 3) Pitch diameter 4) A n g l e o f t a p er er 252] Hexagonal Nut has number of: 1) Sixteen 2) Eight 3) Four 4) S i x 253] Which of the following methods produce accurate size holes: 1) Drilling 2) R e a m i n g 3)Tapping 4) Broaching 254] Least count of an ordinary micrometer is: 1) 0.1 mm 2) 0.01 m m 3) 0.2 mm 4)0.02 mm 255] Which of the following machining operation give better surface finish: ) ) H o n i n g 1 2) Boring 3) Grinding 4) Reaming 256] Cutting tools are made of : 1) H i g h s p e e d s t e el 2) Spring steel 3) Mild steel el 257] Which file is used to remove more material from work piece: 1) R o u g h f i l e 2) Smooth file 3) Jeweler file 258] Three wire method is used to measure 1) Minor diameter 2) Pitch 3) P i t c h d i a m e t er er 259] Bevel gear is used to transmit power between shaft which are: 1) Parallel 2) Co – axial 3) A t A n a n g l e
4) stainless steel 4) None of the above 4) Angle 4) None of the above
260] Which of the following is not used for power transmission: 1) B e a r i n g 2) Belt drive 3) Gears 4) splines 261] Which of of the following gauge is used for checking internal threads: ad r i n g g a u g e 1) T h r e ad 2) Thread plug gauge 3) Snap gauge 4) Slip gauge 262] Slip gauge blocks are used: 1) To set dimension 2) to calorate instruments 3) To set sine bar 4) A l l o f t h e a b o v e 263] While filing metal will be removed in: 1) F o r w a r d s t r o k e 2) Backward stroke 3) Both 4) Depends on file 264] Stainless steel is an alloy of: 1) Chromium & Nickel 2) Chromium, Iron & Nickel 3) C h r o m i u m , n i c k e l , I ro 4) Tungston, Chromium & Vanadium ro n & C a r b o n 265] Horsepower is unit of 1) E n e r g y 2) Distance jumped by Horse in meter 3) No. of Horses 4) Cylinders I an Engine 266] Plug Gauge is the instrument used for checking: 1) Roughness 2) Flatness 3) T h i c k n e s s 4) Hole ( internal dia ) 267] Spirit level is used for: 1) Checking the straightness of cutting tool 2) Checking the straightness of machine spindle ) ) C h ec k i n g t h e s t r a i g h t n es s o f s u r f ac e 3 4) Checking perpendicularity 268] Machine beds are made of: 1) cast Iron 2) Staineless Steel 3) Cm Steel 4) High speed steel 269] In a turning operation on a lathe: es 3) Both tool and job rotates 1) Tool rotates 2) J o b r o t a t es 4)Both tool and job do not rotate 270] Which of these is not a measuring instrument: 1) Micrometer 2) Slip gauges 3) Vernier Caliper 4) C r o s s S l i d e 271] The intentional difference between two mating parts is known as: 1) Limit 2) A l l o w a n c e 3) Tolerance 4) Precision 272] Fuel used in most of the Auto-mobiles: 1) High octane Aviation fuel 2)Servo Super Lubricating Oil 3) high speed Diesel Oil 4) E n g i n e O i l 273] Specific gravity of Mild Steel is: 1) 7.86 2) 4.5 3) 1.6 4) 2.89 274] The following is not a joining process: 1) Riveting 2) welding 3) Soldering 4) B r o a c h i n g 275] Scriber points are very: 1) Blunt 2) Sharp 3) Mild 4) Hard 276] Lead screw is mounted on: 1) Vaccum Bed 2) Jigs 3) Pull studs 4) M a c h i n e 277] Centre drilling is an operation of: 1) D r i l lili n g a n d c o u n t e r s i n k i n g 2) Drilling and counter boring 3) Marking the centre location before drilling 4) Enlarging the diameter of a hole 278] The convexity of files helps: 1) To file concave surfaces 2) To file convex surfaces 3) T h e f ilil e s t o b e c o m e s t r a i g h t w h e n p r e s s u r e 4) To prevent roughing of edges of work is applied
279] Clamps are used for the purposes of: 1) Carrying material from machine to machine 3) Preventing scratch on machined components 280] Tab washers are used for: 1) Preventing vibration 3) Self locking
2) P r e v en en t i n g m o v e m e n t o f w o r k 4) Maintaining accuracy 2) Locking the nuts 4) Fastening structural fabrication work
281] For machine shop operations the work piece must be held property otherwise: 1) The machine will not function 2) D a m a g e t o w o r k a n d tool tool 3) The cutting tool will become blunt 4) The operation cannot measure the work piece
282] To measure the machined or field surface, which which one of the following instrument can be used: 1) Gauge 2) Dial Test indicator 3) Sine bar 4) Vernier Caliper 283] Washer help to: 1) improve appearance 2) Distribu te force over a larger area area 3) Distribute force to the bolt 4) Cover the clearance hole of the workpiece 284] The relationship existing between the lateral strain and the axial strain is expressed by: 1) P o i s s o n ' s r a t io 2) Hook's law 3) Young's Modulus 4) None io 285] Rackwell test is done to measure: 1) H a r d n e s s 2) Hook saw 3) Length 4) Ductility 286] The heat treatment generally carried out of soften the metal is: 1) Normalising 2) A n n e a l i n g 3) Hardening 4) Carburising 287] A double cut file has rows if teeth the same as a single cut file and in addition has a second row of teeth which are cut. 1) Across the first row 2) D i ag ag o n a l ly ly t o t h e f i r s t r o w 3) Parallel to the first row 4) On the edge of the file 288] Which of the following is a part of file? 1) Heel 2) Face 3) Tang 4) a l l o f t h e s e 289] Centre punch has as included angle of: 1) 90 degree 2) 118 degree 3) 60 degree 4) 120 degree 29] The best example for semi liquid lubricant is: 1) Grease 2) Graphite 3) Castor oil 4) Lord oil 291] what is the ratio of 10 feet to 30 inches? 1) 4 : 1 2) 1 : 4 3) 1 : 3 4) 3 : 1 292] Which tool is used to measure the tolerance between surface plate and a surface being checked for flatness? 1) Depth Gauge 2) Surface Gauge 3) Thickness Gauge 4) Dial Test Test indic ator 293] Universal dividing head is used for indexing work o: 1) Lathe 2) M i l l in 4) Slotting machine in g m a c h i n e 3) Drilling machine 294] best example for gravity feed lubrication is: 1) Grease Gun 2) Ring lubricator 3) A and B 4) W i c k f e e d l u b r i c a t o r 295] A lathe having swing over bed at 220 mm can accommodate a component of diameter: 1) 110 mm 2) 220 mm 3) 95 mm 4) 440 mm 296] how many seconds are there in angle of 6 degree? 1) 21600 sec 2) 1800 sec 3) 2160 sec 4) 18000 sec 297] Internal dia is measured by: 1) Vernier caliper 2) Ring Gauge 3) Outside micrometer 4) In s i d e m i c r o m e t e r 298] The best example for splash lubrication: 1) R i n g l u b r i c a t o r 2) Wick feed lubricator 3) Grease gun 4) Pump lubricator 299] Angle of square thread is: 1) 45 degree 2) 90 degree 3) 60 degree 4) 80 degree 300] Drilling jig is a device for: 1) H o l d i n g t h e j o b 2) Grinding the job 3) Burning the job 4) Holding the job and grinding the tool 301] The machine element while control the sequence of operation is auto drive lathe is: 1) C am 2) Bears 3) Belt & Pulley 4) Screw rod 302] In grinding chatter marks can be avoided by: 1) P r o p e r b a l an 2) using excess of coolant an c i n g o f t h e w h e e l 3) Using rubber sheets 4) Reducing RPM of wheel 303] Best example for driving fit is: 1) B a l l b e a r in 2) Tyre on the rail wheel in g o n e s h a f t 3) Pulley with key on the shaft 4) Cart rim o the wooden wheel
304] Jig is defined as a device which: 1) H o l d s a n d l o c a t e s a w o r k p i e c e an an d g u i d e a n d c o n t r o l o n e o r m o r e c u t t i n g t o o l s . 2) Holds and locates a work piece during as inspection or for a manufacturing operation. 3) It is used to check the accuracy of work piece 4) All of the above 305] Fixtures are used for: 1) Holding and guiding the tool in drilling, reaming or tapping operation 2) H o l d i n g t h e w o r k i n m i l l i n g , g r i n d i n g , p l an an n i n g o r t u r n i n g O p e r a t i o n s 3) To check the accuracy of work piece 4) all of the above 306] Quick - return mechanism is used for: 1) Milling Machines 2) S l o t t i n g m a c h i n e s 3) Turret Lathe 4) Broaching 307] the energy processed by a boring work by virtue of its position: 1) Potential energy 2) Kinetic Energy 3) Electrical energy 4) Chemical energy energy 308] best example for shrinkage fit: 1) C a r t r i m o n t h e w o o d e n r i m 2) Tyre on the rail wheel 3) Tyre on the bicycle rim 4) Fly wheel on the shaft 309] Seam Welding is: 1) Multi spot welding process 2) C o n t i n o u s s p o t w e ld ld i n g p r o c e s s 3) Used to form mesh 4) used for welding cylindrical object 310] Fire is combination of: 1) Fuel, liquid and oxygen 2 ) F u el , h ea t an d o x y g en 3) Fuel, heat and corbondioxide 4) Fuel, liquid and nitrogen. 311] Cutting speed is calculated by the for 1) TTDN / 1000 2) TTDN / 10000 3) TTDN / 100 4) None of these 312] While grinding one must use: 1) Dark glass screen 2) Mask 3) S a f et 4) Sun goggles et y g o g g l e s 313] The process of relieving the internal stresses of a steel component component is: 1) A n n e a lili n g N o r m a l i zi 2) Quenching 3) Tempering 4) Stress relieving zi n g 314] The bench vice is called as parallel jaw vice because: 1) it can hold the jobs having parallel sides 2) It is Fixed parallel to the shop floor 3) Its width of jaws are parallel 4) I t s m o v a b l e J a w m o v e s p a r a l l el el t o t h e F i x ed ed J a w s 315] Steel rule is a: 1) Marking Instrument 2) Precision Instrument ec t r e a d i n g M e a s u r i n g I n s t r u m e n t 3) Checking Instrument 4) D i r ec 316] Aluminium components are protects by: 1) Copper Plating 2) Cadmium Plating 3) Nickel Plating 4) A n o d i s i n g 317] Feeler gauge is used to measure: 1) Thickness of a job 2) Dia of the job
3) G a p b e t w e e n m a t i n g p a r t
4) Radius of job
318] Surface hardening process is: 1) N i t r i d i n g 2) Tempering
3) Annealing
4) Cad plating
319] Annealing is done to: 1) Increase hardness 2) Decrease hardn ess
3) To increase carbon
4) None of these
320] The base base unit of length as per S. S. I unit is: 1) Inch 2) Foot
3) Centimetre
4) Metre
321] Reaming allowance is normally: 1) 0.01 m m 2) 0.002 inches
3) 0.001 mm
4) 1.0 mm
322] In unilateral system of tolerance deviation are allowed in : 1) both the B & D 2) Only two direction 3) No deviations are allowed
4) O n l y o n e d i r e c t i o n
323] Honing, lapping and Bufring are: 1) F i n i s h i n g o p e r at 4) out line at i o n 2) Intermediate operation 3) Starting operations 324] Dressing of grinding wheel means: 1) Removing loaded metal particles 2) Removing dull gains 3) B o t h A & B 4) None of these 325] VTL refers to : 1) Vertical tool lathe 2) Vertical turret lathe 3) Vertical thread lathe 4) Vertical taper lathe 326] The temperature at which oil turns into steam of evaporates: 1) Fire point 2) Pour Point 3) F l u s h P o i n t 4) Acidity 327] Which one of the following process can't be performed o a Engine lathe? 1) Facing 2) Threading 3) Knurling 4) H o n n i n g 328] Which one of the following is a Geometric Dimensioning? 1) height 2) Width 3) Diameter 329] Snap Gauges are used for checking: 1) External diameter 2) Internal diameter
3) Threads
4) parallelism 4) Radius
330] The temperature at which oil stop flowing and start Freezing: 1) Emulsification Emulsificatio n 2) Acidity 3) pour point
4) Flush Point
331] Necking is: 1) M a c h i n i n g a g r o o v e a r o u n d a c y l i n d r i c a l s h a f t 2) Drilling a hole in a plate 3) Hole drilled for riveting 4) None of these 332] A Hack saw blade cuts on: 1) F o r w a r d s t r o k e 3) Both forward and return stroke 333] LPG mainly consists of: 1) Methane and Ethane 2) Propone and Butane
3) Hexane and Butadiene 4) None of these
334] -40 degree C is equivalent to: 1) 172 degree R 2) 273 degree K
3) – 40 degree K
4) – 40 degree K
335] 1 micron is equal to : 1) 10-5 met res 2) 10 – 12 meters
3) 10 – 8 metres
4) 10 – 5 meters
336] The properties of flow in liquid: 1) Oilness 2) Acidity
3) Specific gravity
4) V i s c o c i t y
337] In an engine radiator, heat is transferred by: 1) Conduction 3) C o n d u c t i o n a n d c o n v e c t io io n
2) Convection 4) Conduction, Convection and radiation
338] Micrometer works o the principle of: 1) Screw 2) Bolt
3) Nut
2) Return stroke 4) Depends on direction of force.
339] The coolant generally used while machining with carbide tools is: 1) Kerosene 2) Water 3) Soluble Oil
4) N u t & S c r e w 4) Graphite
340] If a piece of steel is reheated to a temperature of 200 degree to 250 degree Celcius immediately after quenching the process is known as: 1) T e m p e r i n g 2) Hardening 3) Annealing 4) Normalising 341] Snap gauge: 1) I t i s u s e d t o c h e c k t h e a c t u a l s i z e o f t h e f i n i s h e d j o b a s t o w h e t h e r i t l i e s w i t h i n t h e p r e s c r i b e d l i m i t 2) it is a solid cylindrical metal Piece, used to check the size of hole. 3) It is used to check the concentricity of the round jobs. 4) None of these
342] a knee is a part of: 1) Lathe 2) Shaper
3) Jig boring machine
343] Acid used in automobile battery is: 1) S u l p h u r i c a c i d 2) Dilute nitric acid 3) Hydraulic acid 344] Main alloying element in High Speed Steel is: 1) Chromium 2) Vanadium 3) Tungsten 345] a master gauge is: 1) A gauge used by masters. 3) A s t a n d a r d g a u g e f o r c h e c k i n g a c c u r a c y o f
4) Broaching machine 4) Hydro fluoric acid 4) Nickel
2) Gauge used by all Mechanism 4) none of these
G au au g e s u s e d o n s h o p f l o o r s
346] The best position to hold the jobs in the vice when Filing is: 1) Arm level 2) E l b o w l e v el 3) Eye level 4) Shoulder level el 347] A process of applying oxide coasting on aluminium is known as: 1) Oxidizing 2) Galvanizing 3) Pickling 4) A n o d i z i n g 348] Drill sleeve is use when the taper shank of drill is: 1) S m a l l er 2) larger than the Machine Spindle. er t h a n t h e M a c h i n e s p i n d l e 3) Equal to the Machine Spindle 4) None of the above 349] The suitable cutting fluid for drilling M.S. Plate is : 1) S o l u b l e O i l 2) Water 3) Compressed air
4) Dry
350] The symbol conventionally used for resinoid bond is: 1) 'V' 2) ' B ' 3) 'R' 4) 'E' 351] Railway rails are generally made of: 1) Mild Steel 2) Medium carbon Steel 3) High carbon steel 4) Allo y steel con taining 0.8% to 0.9% 0.9% Carbo Carbo n 352]
Taps are re-sharpened by grinding: 2) Threads 3) Diameter 4) Relief 1) Flutes 353] In a Single start thread: eq u a l 1) L e a d a n d p i t c h a r e eq 2) Lead is double the pitch 3) Pitch is double the lead 3) Lead is half of the pitch 354] The dimensions of of a nut is expressed in term of: 1) Head of the bolt 2) Core dia of the bolt 3) N o m i n a l d i a o f b o l t 4) Pitch dia of the bolt 355] The upper portion of a hexagonal nut is chamfered at an angle of : 1) 75 degree 2) 60 degree 3) 45 degree 4) 30 degree 356] 1) 6
The number of Faces of pentagonal prism will have: 2) 5 3) 7
357] Material used of coating the welding electrode is called 1) Protective layer 2) Binder 3) De-Oxidisor
4) 8 4) Flux
358] Following gases are used in Tungsten insert Gas Welding: 1) Hydrogen and Oxygen 2) Co2 and H2 3) A r g o n a n d h e l iu iu m 359] Which one of the following nut is used in hacksaw Frame: 1) Ring nut 2) W i n g N u t 3) Hexagonal Nut
4) Argon and Neon
4) Square Nut
360] Which one of the following key is used in change gears in a lathe? 1) Gib Head key 2) Feather key 3) Wood ruff key 4) Saddle Key
361] Which one is the correct Formula for speed ratio of pulley? 1) D(n = d X n 2) D ( d = N X n 3) D ( N = d X n
4) d X N = D X n
362] Interchangeability Interchangeabilit y is normally applied for : 1) M as 2) Single piece production 3) Repairing parts as s p r o d u c t i o n
4) All the above
363] A cart rim on a wooden wheel is example for the 1) Clearance fit 2) Driving fit 3) S h r i n k a g e f i t
4) Push fit]
364] A Block level can be used for : 1) Checking vertical alignment only 2) Checking horizontal alignment only 3) Checking angular alignment only 4) C h e c k i n g v e r t i c a l a n d h o r i z o n t a l a l i g n m e n t 365] Which one of the following abrasive is used for lapping gauges: 1) Aluminium Oxide 2) Silicon Carbide 3) Diamond 4) B o r o n C ar ar b i d e 366] Constant measuring pressure in micrometer screw screw is ensured by: 1) Locknut 2) Barrel and thimble 3) Ratchet 4) Spanner 367] Which one of the following is not a carburizing salt? 1) Sodium Carbonate 2) Sodium Sulphate 3) Sodium Cyanide 4) B o r i u m c h l o r i d e 368] Which among the following joints is suitable for roofing work? 1) Lap Joint 2) B u t t J o i n t 3) Hinged Joint 4) Double grooved seam joint 369] Which one of the following accommodates Four Four pipes in pipe fitting? 1) Elbow 2) Tee 3 ) C r o s s 4) Socket 370] Non – return valve permits water supply in: 1) O n e w a y 2) Two way 3) Three 4) Four way 371] Which one of the following is the heaviest 1) Electron 2) Proton 3) A t o m 4) Neucleus 372] Which parameter is increased by a step up transformer? 1) Current 2) Resistance 3) V o l t a g e 4) Power 373] The value of cos 30 is: 1) 1 2) 0.5 3) 0.856 4) 0.8 374] Buck gear mechanism is providing in cone pulley head stock to: 1) R e d u c e s p e e d o f s p i n d l e 2) Increase speed of spindle 3) Reverse the speed of spindle 4) Transmit power from spindle gear to stud gear 375] Jigs are used in: 1) CNC machines 2) Lathe 3) Drilling 4) Forming 376] which one of the following dimensions shows the largest tolerance? a) 40 + 0.05 b) 40 - 0.01 - 0.02 - 0.05 c) 377] a) b) c) d) 378] a) c)
+ 0.0 - 0.03 - 0.2 Which one of the following thread groups is only for transmitting motion ? 40 - 0.05
d)
40
Square, Acme, buttress Threads
Unified, Acme, Square, Threads Withworth, Acme, Square, Threads ISO metric, Modified square, Acme threads Gib adjustments for the ram are to be done? Once in a week b) Once in a month Once in a y ear d) Once in a five years.
379] a) c)
Quick return mechanism is used in : Milling machines b) Turret lathes d)
Shaping Machine
Broaching
380] a) b) c) d)
Match the following items : Meter (m) A. 0.001 mm Centimeter (cm) B. 1000 μ Millimeter (μ m) C. 10 mm 1000 mm Micrometer (μ m) D. Micron 2-C 3-B 4-A Ans: 1-D 381] Match the following items: a) 38.1 mm A. 203.2 mm b) 300 mm B. 1075 mm c) 8" C. 11.81" d) 40" D. 1.49" 2-C 3-A 4-B Ans: 1-D 381] Match the following Temperature with colors : a) 1000º A. White b) 1100º B. Yellowish White c) 1200º C. Yellow d) 1300º D. Bright cherry red 2-C 3-B 4-A Ans : 1-D 382] Match the following Polygon with side a) Nonagon A. 12 sides b) Decagon B. 11sides c) Dodecagon C. 10 sides d) Doudocagon D. 9 sides 2-C 3-B Ans: 1-D 383] Match the following a) Morse tapers b) Metric tapers c) Pin tapers d) Key and key way tapers
4-A tapers A. B. C. D.
1: 20 1:50 1: 100 1:19:002 to 1:20: 047
2-A 3-B 4-C Ans : 1-D 384] The tool used to get ' Good Finish' for a hole: 1) Drill 2) End Mill 3) Reamer 385] Match the following metals with melting points: a) Mild steel A. 659º b) Metric tapers B. 1085º c) Pin tapers C. 1150º d) Key and key way D. 1500º to tapers 2-A 3-B 4-C Ans : 1-D 385] a) b) c) d)
Match the names of the steel plant states: Visweshavaraiah Iron steel A. Karnataka India Ind ia Iron & Steel B. Orissa Tata Iron & Steel C. West Bengal Rourkela Steel Plant D. Jharkhand
Ans : 1-A
2-C
3-D
4-B
4) Tap
389] Cooking gas cylinder contains fuel the form of: 1) Solid 2) L i q u i d 3) Gas 390] Newton's law is related to: 1) Volume 2) Space 3) F o r c e 391] The voltage of power supply in domestic use is volts: 1) 110 V 2) 220 V 3) 250 V
4) 440 V
392] HAL is a : 1) P u b l i c S e c t o r 2) Private
4) Mulit-National Co.
3) Co-operative Society
4) Elasticity
393] Vanadium is used in ___________ to obtain better cutting parameter: parameter: 1) Stainless Steel 2) Cast Iron 3) H.S.S . 4) Aluminium 394] 1) 1
The number of taps in a hand tapping set is 2) 2 3) 3
395] Commonly used polishing wheels are constructed of: 1) Leather 2) Felt 3) Canvas 396] Sum of angles in a triangle is: 1) 360º 2) 90º 3) 180º
4) 4 4) A l l t h e a b o v e 4) 270º
397] Buffing wheels are made of: 1) Cotton Cloth 2) Linen
3) Wood Discs
4) A L L T H E A B O V E
398] Thread plug gauge are used to check: 1) Internal diameter 2) External diameter
3) Depth
4) Internal thread
399] Bore gauges are used to measure: 1) Thickness 2) Depth 400] A hand vice is used for clamping: 1) All Items 2) Big items 401] Which of these is a machine tool? 1) Generator 2) L a t h e
3) Internal diameter 4) External diameter 3) Small items 3) V – tool
4) Pump
402] File used for fitting radius in corners is: 1) Flat file 2) half rough file 3) R o u n d f i l e
4) Square file
403] In right angle triangle, hypotenuse: 1) Shortest side 2) Medium
3) L o n g e s t s i d e
4) Vertex
3) Sealing
4) B o t h B & C
404] Two main purposes of adhesives are: 1) Riveting 2) Fastening 405] Jet Engine is used in: 1) Motor cycle 2) Bus
3) A i r c r a f t
406] Corrosion is __________ of the parent metal. 1) O x i d e 2) Nitride 3) Sulphate 407] Enamel paint has __________ as a base. 1) Water 2) O i l 3) Gas 408] Quality is concerned with: 1) I n s p e c t i o n s d e p a r t m e n t 3) Planning & Administration Administratio n
2) Operators & Supervisors 4) All the above
409] ISO 9000 relates to : 1) ISRO Satelite Operations. 2) 3D Projecting of a drawing 3) Quality Management System 4) International secret Operation s 9002 9002 410] The heavy duty power hammer can be installed using: 1) C o n c r e t e F o u n d a t i o n 2) Concrete floor 3) Anti- vibration 4) Both B & C 411] Leveling of precision grinding machine may be done using a: 1) Vernier Micrometer 2) Dial Test Indicator 3) Sencitive Spirit level 4) Both a & b 412] Steel will will get hardness because of the allying element added to Iron: 1) Oxygen 2) C a r b o n 3) Mercury 4) Granite 413] Leveling bolts are used for: 1) A d j u s t i n g t h e h e i g h t o f t h e m a c h i n e 3) Rigidity of machine
2) Supporting the load of the machine 4) Both b & c
414] A Die stock is a: 1) T o o l f o r h o l d i n g t h r e a d i n g d i e s 3) Place for storing dies
2) Job on which external threads are cut 4) None of these
415] In the pipe assembly the hemp packing is used: 1) for easy engagement 2) To fill gap between threads 3) T o a v o i d l e ak 4) To get right fitting ak a g e 416] The unit of power is: 1) Calorie 2) Volt
3) Ampere
417] The bull gear wheel is driven: 1) B y a p i n i o n 2) By a shaft
3) By sliding block
4 ) W a l t
418] Which one of the following is not case hardening treatment? 1) Carburizing 2) Nitriding 3) Flame hardening
4) T e m p e r i n g
419] Malleability is the property by means which which the metal can be: 1) Rolled 2) Milled 3) Machined
4) None of these
420] Hook's law is associated with: 1) P r e s s u r e 2) Thermal expansion
4) Force
3) Stress
421] The pitch diameter of an external threads can be measured by using: 1) S c r e w t h r e a d m i c r o m e t er er 2) Screw Pitch gauge 3) Thread ring gauge 4) All of these 422] The two most common bearing lubricants are: 1) L u b r e x 5 7 an 2) Lubrex 58 and 67 3) Lubrex 47 and 38 4) None of the above an d 6 8 423] Which one of the following is a non-conventional non-conventiona l machining process? 1) Honing 2) Reaming 3) E l ec 4) Spraying ec t r o C h e m i c a l M a c h i n i n g 424] which one of the following represents centre line in drawing practice? 1) ― ― ― ― ― ― ― ― ― 2) – – – – – – – – – – – – – – – – – – – – – – – – – – – – 3) …………………………… 4) None of the above Ans: 1 425] Spur gear can be manufactured by which of the following methods: 1) M i l l i n g 2) Hobbing 3) Shaping 4) All of these 426] Bonding is the term associated with: 1) Lapping – compound 2) Milling cutter 3) G r i n d i n g W h e e l 4) 4) Twist drill
427] A screw is specified by: 1) Major diameter 2) Minor diameter
3) Pitch diameter
428] Taps are used for: 1) Cutting external threads 3) Grinding purposes
2) C u t t i n g i n t e r n a l t h r e a d s 4) Turning operations
4) Pitch
429] The common form of a gear tooth is known as: 1) Convex curvature 2) Concave curvature 3) In v o l u t e s f o r m 4) None of the above 430] Taper plug gauge is used to check: 1) Diameter 2) Length 3) D i am am e t e r & a m o u n t o f t a p e r 4) Taper 431] Clearance is commonly measured with a 1) Feeler 3) Plug gauge Feeler gaug e 2) Snap gauge 432] Low carbon steel containts: 1) 0.15% 0.15% t o 0.3% 0.3% 3) 0.60% to 1.3% of carbon
4) Sine bar
2) 0.20% to 0.60 of carbon 4) None of the above
433] Operations involved in the heat treatment of steel: 1) Normalising 2) Annealing 3) Quenching
4) A l l t h e a b o v e
434] Oil is lighter than water because: 1) It dissolves inn water 3) It sinks in the water
2) It floats o n water 4) It does not mix with water
435] Decimal equivalent of 1/16 is: 1) .0625 2) .015625
3) .03135
4) .046875
436] Tarbequals to: 1) s i n J / c o s J 2) 1/ cos J
3) Cos J/ Sin J
4) 1/secJ
437] PERT Stands for : 1) Project Examination & Review Techniques 3) Project Execution Execution & Reporting Techniques
2) P r o j e c t E v a lu lu a t i o n & R e v i ew ew T e c h n i q u e s 4) Project Execution & Results Techniques
438] Crack in grinding wheel is developed due to: 1) High temperature 2) O v e r s p e e d o f w h e el el 3) Low speed of wheel
4) All of the above
439] Silicon carbide is associated with: 1) Turning 2) Milling 3) G r i n d i n g 4) All of the above 440] While metal cutting coolant is used for: 1) Taking away the heat of machining 2) Providing better finish to machined part 3) R e m o v i n g h e at 4) Protect the operator at a n d p r o v i d i n g b e t t e r f i n i s h 441] Value Engineering is an application: 1) To assess the value 2) For image building 3) F o r c o s t r e d u c t i o n 4) To increase the value 442] Which one of the following key is semicircular in shaper? 1) Saddle key 2) Feather Key 3) Wood ruff key 4) G i b h e a d k e y 443] Material having lowest temperature co-efficient of resistance is: 1) Gold 2) Aluminium 3) Silver 4) C o p p e r 444] Insulation failure in transmission lines is due to: 1) Bridging of conductors by birds 2) Decrease of die-electric die-electric streng th 3) Poor quality of wire 4) All of the above 445] Surface finish on a super lapped surface may be equal to: 1) 8 m i c r o i n c h e s 2) 128 micro inches 3) 1000 micro inches 4) 64 micro inches
446] 5 microns are equivalent to: 1) 0.0015 meter 2) 0.00010 meter 3) 0.00002 meter 447] which one of the following key may be screwed to the shaft? 1) Saddle 2) Feather 3) Taper 448] a measuring instrument should be: 1) A c c u r a t e 2) Precise
3) Good shape
4) 0.000005 0.000005 m eter 4) Woodruff
4) Repeatable in measurement
*449] write the correct Trigonometric expression for Opposite Side/ adjacent side. 1) Cos 2) Sine 3) Tan 4) Secant 450] In an interference fit the shaft should be: 1) Oversize than the bore 2) Equalize than the bore 3) U n d e r s i z e t h a n t h e b o r e 4) under or oversize then the bore 450] Carbide tipped tool used for turning hard material is provided. 1) Side rake angle 2) back rake angle 3) positive rake angle
4) Negative rake angle
451]
the plastics which are formed is to shape by the application of heat and pressure without any chemical change are known as: 1) Thermo setting plastics 2) T h e r m o p l a s t i c 3) Instruments
452] couplings are used to connect the shaft, when when the shafts are: 1) The joined permanently 2) to be disconnected often 3) in misalignment 4) T o b e d i s c o n n e c t e d o f t e n a n d t o c o m p e n s a t e a M i s a li li g n m e n t b e t w e e n t w o s h a f t s .
453] The cutting angle for chisel for chipping of Mild steel. 1) 45 º 2) 30º 3 ) 5 5º
4) 68 º
454] The Jig is made from a single block of steel to the smaller work piece is called.. 1) Channel jig 2) Sandwich jig 3) box jig 4 ) Solid jig 455] A block Spirit level is used for checking the 1) Horizontal level only 2) Vertical level only 3) Horizontal & Vertical only 4) Angular alignment only 456] The value of one thimble scale division in a metric micrometer is 1) 1 mm 2) 0.5 mm 3) 0.02 mm
4) 0.01 mm
457] Which type of fir tis used in the inner race with shaft while mounting a ball bearing> 1) Precision slide 2) Large Clearance 3) Loose running 4) Interference 458] Which screw is used to connect the collar and shaft in a position? 1) Hexagonal socket set screw 2) Square head screw 3) Hexagonal head screw 4) Pan head screw 459] The main purposes of screw pitch gauge is.. 1) To check the minor m inor diameter of screw thread 2) to check the limits of screw scr ew thread 3) to check the distance between adjacent crest, 4) to check the major diameter of screw thread. of screw thread 460] The soft material particles get clogged in the grinding wheel while grinding. This is called 1) Truing 2) Loading 3) Glazing 4) Dressing 461] Normal hardening temperature of less than 0.83 % carbon plain carbon steel is.. 1) below the upper critical range 2) above the upper critical range 3) below the lower critical range 4) above the lower critical range 462] The measuring stylus of a mechanical surface indicator is made of.. 1) Tool steel 2) Carbide 3) Diamond 4) Cast alloy
463] If the dimension of a component is finished within the limits of size, then it will be. 1) Minimum size 2) Basic size 3) Acceptable size 4) Rejected size 464] What will happen if the spindle thread are worn out in agate valve? 1) Value hard to turn 2) Loud noise when turn the valve 3) Water flow around the stuffing box 4) Valve will not close or open when the spindle turns 465] Why the woodruff keys are used on small tapered shafts with assembly? 1) It takes heavy load 2) It takes the shear stress 3) It is easy to fit and self align with key way of hub 4) It is less expensive
Advantages of: 466] what are the Advantage of Surface plate? 1) To measure the smoothness of the job 2) To check or mark angle of job with helps of sine bar 3) To measure right angle of job 4) To check the jobs produced in less time to 5) To measure a job with a dial test indicator 467] what are the advantage of surface gauge? 1) To draw lines parallel to its base 2) To find out the centre of cylindrical and square rods 3) To draw lines parallel to plain arm of a job 4) To properly Focus the job on the lathe. 5) To draw parallel line like height gauges on normal job 468] what are the advantages of Gauges. 1) Their use saves time as a number of jobs can be check in little time 2) Semi skilled technicians can also help in production by using these gauges. 3) There is no need of Employee for inspection and examination at production stage. 4) There is a little possibility of defects in the jobs 5) Rate of Production is increased 469] what are the advantages of slip gauge or Gauge block? 1) To verify Micrometer and Vernier caliper 2) To set adjustable gauge such as snap gauges. 3) To use sine bar 4) for exact Marking of job 5) To make solid snap gauge and caliper 6) to verify Measurement of a a job with help of comparator 470] what are the advantage of Heat Treatment? 1) Hard metal can be softened 2) Soft metal can be hardened 3) Metallic job can be made machinable 4) Inner Structure of Metal can be changed 5) The mechanical Properties of metal such as Tensile Strength and compressive Strength can be decreased or increased 471] what is the Advantage of anti Corrosive Treatment? Ans: These treatments treatments improve improve life and out-look out-look of a job 472] what are the advantages of Threads? 1) To join two parts of a machine like nut bolt and stud 2) To get mechanical levers for lifting Weight such as chain pulleys jockey etc. 3) To accuracy in precision instruments like micrometer 4) For transferring the mechanical power 5) For speed control purpose 473] what are the advantage of cutting Fluid (Coolant) 1) If acts as a lubricants the tool and job 2) It increases the working life of a tool 3) It improves the job finish 4) It does not allow the chips to stick at the tool 5) It increases cutting speed 6) It protects the cutting edges of tool against any possible damage at a high temperature 474] what are the advantages of Grinding? 1) Jobs can be made true to the given measurement 2) A fine finish can be given to the job 3) Unnecessary metal cutting is avoiding 4) Production time is saved 5) Production cost is reduced and overall production is increase.
475] what are the Advantage of Honing? 1) Eliminates frictions 2) makes surface smooth 3) Provide easy movement of the machine parts 476] what are the advantages of lapping? 1) The surface is made fine and bright 2) The machine parts moving under frictions don‟t get heated up much 3) The possibility of rusting up much 4) The Accuracy of job can be obtained up to o.ooo1 inch 477] what are the advantages of interchangeability? interchangeability ? 1) A similar part from any company can be fitted without any difficulty. 2) It takes little time to change a machine parts. 3) It takes less time to fit a machine 4) Rejection of these parts is less 5) Production increases and it save time 6) The production cost of these parts is less 478] what are advantage of jigs and Fixture and template? 1) The production is increased because the job does not require marking 2) After setting the job once we can do a number of operations 3) Semi skilled or less experience technician can be also increase production 4) The job so produced is liable to be interchanged in the machines of the same type 5) Cost of production is less 479] what are the advantages of Mandrel? 1) For turning the job along with entire length 2) For making identical external dia 3) For turning at the outer surface of a job having a hole along the center line 4) For speeding up the production process 480] what are the advantage of Forging? 1) Tensile strength of metal is reduced and plasticity is developed in the metal and thus a desire shape can be given to it 2) Drawing out, jumping and bending of metal can be done easily 3) a job can be finished fastly after forging 4) There is a little wastage of metal 481] what are the advantage of Bearing? 1) It provides a stable speed to a shaft 2) It provides a strong support to the shaft 3) Lubrications is possible between housing and shaft 4) If enables the machine to run at a higher speed 5) Machine parts don‟t wear out fastly 6) It saves power and time 482] what are the advantage of Anti Frictional Bearing? 1) Friction is reduced to minimum even at high speed 2) The abrasion of the shaft is negligible\ 3) Bearing can be replaced easily 483] what are the advantage of Gears? 1) Power transmitted easily without noise 2) Transmission speed can be reduced 3) Direction of speed can be reduced and increased 4) this medium functions for a long time Without any abstraction 484] what are the advantage of preventive maintenance? 1) To avoid sudden break down of machine 2) Damage of costly parts is avoid 3) Shut down of production is avoided 4) Longer life of equipment is ensured 5) Possibility of serious accidents is minimized 6) Preventive maintenance is less costly than Breakdown 7) Preventive maintenance is less costly than break down maintenance
SPECIFICATION AND CLASSIFICATION 485] How is taper Specified? The taper is specified by: 1) Angle of taper 2) Size of component 486] How is the size of Allen key is identified? The size of Allen Key is identified by the size across the flat of the HEXAGON 487] how is sine bar specified The sine bar specified by its length 488] How is Screw driver Specified? Screw driver are specified according to the – length of the blade- width of the blade 489] How 'Engineer's' square specified? Engineer's squares are specified by their nominal length, grade of accuracy and type 490] how are lubricants classified? Lubricants classified as 1) Liquid Lubricants 2) Solid Lubricants 3) Semi solid or semi liquid lubricant 491] how the circlips classified? Circlips classified as 1) Axially assembled 2) Radially assembled rings 492] how synthetic adhesive classified? a. Thermoplastic Adhesive b. thermosetting adhesive 493] how a screw is specified The screw specified by major diameter 494] how a bearing specified? Bearing specified by its types, boundary dimension 1) Bore dia 2) Outer dia 3) Width of bearing and other special features 495] how a common pipes classified? The common pipes classified according to materials are: 1) Galvanized Ga lvanized Iron pipes 2) Mild steel pipes 3) Cast Iron pipes 2) P.V.C. pipes 5) Rubber pipes 6) Plastic pipe etc. 496] How are snips are specified? Snips are specified by the overall length and shape of the blade 497] how Hacksaw blade specified Hacksaw blade are specified according to their length, pitch and type 498] how a size of bench vice specified? The size of bench vice is specified by their weight and the shape of the pain. 499] How Engineers' Hammer are specified? An Engineers Engineers hammers hammers are specified specified by the type type of their their joints and length length 500] how the dividers specified Dividers are specified by their Joints and length 501] how a reamer specified? The reamer is specified by their type, flute, shank and size 502] how a surface plate specified? The surface plates are specified by their length, breadth, grade and the Indian standard number (2000 ҳ 1000 ҳ Gr is 2285) 503] Write the correct Trigonometric expression for opposite side/ adjacent side a. Cos b. Sine c. Ta n d. Secant 504] In an intereference fir the shaft should be: a. Over size than the bore b. Equal size than the bore c. Under size than the bore d. Under or oversize then the bore
505] Write the correct trigonometric ratio to 1/cosine a. Cot J b. Secant J c. Cosecant J 506] Drawing is the: a. Language b. Instrument c. G r a p h i c s d. None of these 508] Match the punches with uses: 1. Centre Punch a. for punching witness marks 2. Prick punch 30º b. for locating holes 3. Dot punch 60 º c. for punching of divider points Ans: 1-B 2-C 3-A 509] Match the materials with point angles 1. Aluminium a. 65º 2. Mild steel b. 60º 3. High carbon steel c. 55º 4. Cast Iron d. 30º Ans : 1 – d 2 – c 3 – a 4 – b 510]
Match the Fitters with their works: Fittters Their works 1.Machine a. He makes pipe fitting works 2. Bench Fitter b. He repaires a part of a machine 3. Pipe Fitter c. He makes assemble or produce a machine Ans: 1-c 2-c 3-a 511] Match the following files( According to shape ) with uses: File Uses: 1. Flat file a. for filing at right angle to the finished surfaces already finished 2. Hand file b. for general purposes 3. Square file c. for filing square holes, corners, keyways, splines Ans: 1-b 2-a 3-c 512] Match the following: 1. All hard blade a. It is gives a better grip and control while saving 2. Flexible blade b. The distance between a adjacent teeth hardened to full length between the pin hole 3.Adjustable frame c. Only teeth are hardened Ans: 1-c 2-d 3-b 4- a 513] Small hole gauges are used to measure hole and slots: a. Below 10 mm b. Below 12.7 mm c. Below 20 mm d. Below 20.7 mm 514] Match the following: 1. Eutectoid Steel 2. Hypereutectoid steel 3. Hypoeutectoid steel
a. Steel which contains 0 to 0.8 % carbon b. Steel which contains 0.8% to 2.1 % carbon c. Steel which contains 0.8 % carbon and structure of carbon is pearlite Ans : 1-c 2-b 3-a 515] in open- hearth process, the hearth is heated using: a. fire b. P r o d u c e r g a s c. Electric d. None of these 516] The most suitable heating temperature for forging Low carbon steel is: a. 720ºC b. 1100ºC c. 1600ºC d. 13 00 ºC 517] Folding machines are specified according to the: a. M a x i m u m l e n g t h a n d t h i c k n e s s o f t h e s h e e t t h a t c a n b e s en en t b. Minimum lengths and thickness of the sheet that can be sent c. None of these
518] During Arc Welding, the correct angle of the electrode with the welding welding line is a. 90º b. 40º-50º c. 70 º-80 º d. 45º 519] The current range for a M.S. Electrode 4 mm Ј is: a. 150 to 250 amps b. 70 to 110 amps c . 130 d. d. 60 to 90 amps 130 to 170 amp s 520] Stag entrapping in a weld is called: a. Under cut b. Porosity c. s l a g i n c l u s i o n d. incomplete penetration 521] Standard drill angle is equivalent is: a. 125º b. 106º 522] High surface finish is obtained by: a. Turning b. Milling
c. 11 8º
d. 90º
c. Grinding
d. L a p p i n g
523] If the weld metal fails to reach the root of the joint the defect is called: a. Slag inclution b. In c o m p l e te c. Undercut d. Porisity te p e n e t r at at i o n 524] The shaft angle are centre drilled for: a. s u p p o r t i n g j o b s b e t w e e n c e n t r e s c. Reducing the weight 525] Hexagonal Nut having No. of faces: a. 16 b. 4
b. Lubricating the dead centre d. Assisting punter boring c. 8
d. 6
526] an operation in a lathe diameter is increased after operation is: a. Knurling b. T h r e ad d. Boring ad c a s t i n g c. Taper Turning 527] Use of Hand gloves are: a. For human body not getting strained b. To prevent finger print forming on job c. f o r s a f e t y r e q u i r e m e n t d. To concentrate more on work 528] which one of the following tool is used for holding heated jobs? a. Plier b. Shovel c. tongs
d. C Clamp
529] A body recovering original dimension when the applied load is removed is known as: a. Brittle b. Plastic c. Annealed d. Elastic 530] What is meant by NC in manufacturing? a. Nitric Chloride b. Nitro Carbide c. N u m e r i c a l C o n t r o l
d. Number Code
531] Aluminium is mainly used in Aircraft because of: a. Bright finish b. Less cost c. Easily available
d. L i g h t w e i g h t
532] Broaching is a: a. Inspection process c. Administrative Administrati ve Process 533] The material used for grinding wheel a. Boric Oxide b. Brass Oxide 534] SWG means: a. Safety Welding Gloves c. Servicing wire Gauge
b. Photographic Process d. M a n u f a c t u r i n g P r o c e s s c. A l u m i n i u m O x i d e
d. Iron Ore
b. S t a n d a r d W i r e G a u g e d. Screw Worm Gauge
535] Which is the hardest material among the following: a. Aluminium b. Steel c. D i a m o n d 536] Dovetailing and keyway cutting can be done on: a. Boring machine b. Drilling machine c. Lathe
d. Shaper
537] A Follower steady is held on the: a. Lathe bed b. L a t h e s a d d l e
c. Lathe spindle
538] '65 HRC' corresponds to: a. Hardn Hardn ess c. Horse Power of 65º
b. Chemical Composition of HSS d. Count of Human Red Cell
539] White colour is a mixture of: a. Red & Blue b. Red & Green
c. Blue & Green
d. Tail Stock
d. S ev ev e n c o l o u r s
540]
When the taper is expressed as a 1:10 ration and length of the job is 100 mm then the offset is equal to: a. 5 m m b. 10 mm c. 25 mm d. 1 mm
541] A Nut is to be made for a screw of M10 X 1.5 what should be size of drilled hole? 8.5 mm a. 10 mm b. 9.5 mm c. 9.0 mm d. 8.5 542] Which one of the following is used for removing a broken tap? a. Tap Nut b. Tap Wrench c. T a p E x t r a c t o r d. Tap Disposer 543] Parallels and V-blocks made in two grades: a . G r a d e A a n d B b. Grade C and D c. Grade A and D
d. Grade C and B
544] If steel is heated to a suitable temperature and then slowly cooled the steel will be: a. Soft weak and ductile b. Hard and brittle 543] If steel is heated to a suitable temperature and then rapidly cooled ( quenched ) the steel will be: a. Soft weak and ductile b. Hard and brittle 544] A.C.P. Means: a. Adjustable Cement pipe c.Alternative Channel pipe
b. a s b e s t o s c e m e n t p i p e d. Attach Centre pipe
545] Vice clamps are used to: a. P r o t e c t t h e f in b. Hold the job firmly i n i s h e d s u r f a c es es o f t h e j o b s c. protect the serrated jaws of the vice d. Protect the file 546] the vice is used for: a. Holding odd shaped small work pieces c. Holding the pins 547] The hand vice is used for: a. Fixing heavy jobs c. Holding round jobs 548] R.P.M. Means: a. Remove Chips per minutes c. Red Color properties of Metal
b. Fixing the pins d. Holding the studs. b. tightening nuts and bolts d. D o i n g m i n u t e w o r k 30. b. R e v o l u t i o n p e r M i n u t e s d. Rapid cut per minutes
549] Taper plug gauge is used for checking: a. Taper holes b. Diameter of strait holes c. Minor dia of internal threads d. External taper of cylindrical jobs 550] Plain Ring gauge is used for checking: a. Major diameter of external threads c. E x t e r n al al d i a m e t e r o f c y l i n d r i c a l p a r t s
b. internal diameter of cylindrical parts d. Taper holes.
551] Double cut file is used of filing on: a. Steel b. Wood
c. Leather
d. Card board
552] Taper ring gauge is used for checking: a. External Taper b. Internal Taper
c. External thread
d. Internal thread
553] File card is used for: a. Removing Chips c. cleaning the file work piece
teeth b. Cleaning th e file teeth d. Renewing the file teeth
554] Rough file is used: a. On wood c. T o r e d u c e t h e m e t al al r a p i d l y
b. On irregular jobs d. If smooth file is not available
555] Silver Brazing is used for: ls a. J o i n i n g d i s s i m i l a r m e t a ls b. Brazing of Tungsten carbide tips c. Joining electrical parts receiving high electrical conductivity d. All the above 556] In silver brazing the flux is used for: a. Removing the impurities from the weld c. Allowing the molten to flow easily
cleaning the base metal b. Chemically cleaning d. All the above
557] a tab washer is used for: a. Avoiding Vibration b. Locking the nuts c. Self Locking 558] A plain washer is used for: a. Cover the clean once hole of the job c. Distribute the force to the nut
d. Fastening fabrication work
b. Improve appearance of the job d . Distrib Distrib ute the forc e over large area
559] Thread Ring gauge is used for checking: a. External thread b. Internal thread c. External diameter of cylindrical job d. internal diameter of jobs 560] Grade – 1 slip gauge are used in : a. work shop by operator c. Either 'a' or 'b'
b. I n s p e c t i o n r o o m d. Neither 'a' nor 'b'
561] Buttress threads are most commonly used for: a. Transmission of motion b. Positioning of mechanical parts c. Special bolts and unity in structural work d . Re Re s i s t i n g f o r c e e x e r t ed ed i n o n e d i r e c t i o n o n l y 562] A key is a device used to: a. Start the machine b. Stop the machine c. F as as t e n t h e m a t t in in g p a r t s d. control the machine 562] B.S.F. screw threads are generally used for: a. Vice spindle b. Lather lead screw
c. Ordinary bolt and nuts
d. E l ec ec t r i c g o o d s
563] Spring washer are used under nuts to prevent: a. Damage to the job b. Damage to the nut c. Damage to the bolt d. S l ac ac k n e s s o n n u t s d u e t o v i b r a t i o n s 564] a split pin is used locking purposes in: a. Flanged Nut b. Square Nut
c. Chuck Nut
565] Clutches are used where: a. Machine requires repair ed o f m a c h i n e i s c h a n g e d a f t er er s t o o p i n g d r i v i n g u n i t b. S p e ed c. Speed of machine can be changed without stopping the driving unit d. None of the above
d. Castle Nut
566] Couplings are used to join when it is required to: a. Disconnect the shafts b. Couple the misaligned shafts c. Couple the shafts permanently Di s c o n n e c t t h e s h a f t s w h e n r e q u i r e d an an d a l s o t o c o m p e n s a t e a l i t t l e m i s a l i g n m e n t d. Di 567] Jockey pulley is used with: a. Cross belt drive b. O p e n b e l t d r i v e c. Quarter twist drive d. None of the above 568] A reamer is used for: a. Drilling holes in thin sheets b. drilling deep holes c. Removing Burrs d. E n l a r g i n g a n d f i n i s h i n g h o l e s 569] Parallel blocks are used for: a. Marking parallel lines along and edge c. Cutting parallel keyways
b. Levelling machine tools d. S e t ti ti n g w o r k p i e c es es h o r i z o n t a l
570] a welding rectifier is used for: C. w e l d i n g s u p p l y a. C o n v e r t A . C t o i n t o a D . C. c) Convert D.C. welding supply into A.C. welding supply
b. Generate a D.C welding supply d) Convert a D.C. main supply into an A.C. main
583] A welding transformer is used to: a. D.C. main supply in to an AC welding supply c. A . C . m a i n s u p p l y i n t o A C w e l d i n g s u p p l y
b. A.C. main supply in to a Dc welding supply d. D.C. main supply into DC welding supply
584] The driving plates are used for: a. For internal operation only c. Mounting fixtures with work piece
b. Facing operation only en c e n t e r s d. R o t a t i n g s h a f t s b e t w e en
585] The basic function of cutting fluids are: a. cleaning and lubrication c. cooling and flushing chips away from the cutting area
b. c o o l t h e t o o l a n d w o r k p i e c e s d. Facilities chip removal and lubrication
[
587] Lubricant is used for a. Run the machine quickly b. stop the machine immediately c. R u n t h e m a c h i n e s m o o t h l y t a k i n g l e a s t l o a d d. Produce work piece of greater accuracy 588] Leveling bolts are used for: a. Rigidity of machine b. Supporting the load for machine c. A d j u s t i n g t h e h e i g h t o f m a c h i n e d. None of the above 589] Drill jigs are used for: a. Guiding the tool only b. Drilling operations only c. Clamping the job when drilling d. Drilling, reaming, tapping and other allied operation 590] The main purposes of annealing is: a. to improve machinibility b. to increase hardness c. t o i n c r e a s e t o u g h n e s s d. to improve magnetism 591] Fullers are used for a. Drawing down b. N e c k i n g an an d g r o o v i n g c. Forming head of rivets, bolts etc. d. Making shoulders with right angles 592] Chain slings are used for: a. Light load b. Heavy load c. Medium load d. None of the above 593] Rope slings are used for a. heavy load b. L i g h t l o a d w h e r e c h a i n m a y d a m a g e t h e l o a d s c. both of above d. None of the above 594] Gate valve is used in pipe pipe line to let water flow in a. O n e d i r e c t i o n b. Two direction c. Three directions d. Four direction 595] Globe valve valve is used in pipeline to let water flow in a. One direction b. B o t h d i r e c t i o n c. any direction
d. None of the above
596] Thumbler gear quadrant is used for: a. increasing the spee3d of the spindle b. Decreasing the speed of the spindle c. C h a n g i n g t h e d i r e c t i o n o f s p i n d l e d. changing the direction of rotation of the lead screw 597] which jig is used for drilling on thin sheet a. Solid jig b. Post jig c. Table jig
d. S a n d w i c h j i g
598] Lather half centre is used: a. To support work piece always b. To turn long work piece c. because it is easy to lubricate the work piece d. T o f a c e w o r k p i e c e u p t o t h e en en d o f t h e c e n t r e h o l e 599] The cross cut chisel is used for a y s c. Plain chiseling a. cleaning the corners b. c u t t i n g o n k e y w ay d. Remove burrs 600] Bevel gears are used to transmit: a. Parallel motions b. i n c l i n e d m o t i o n c. Perpendicular motion
d. None of the above
601] Collets are used for holding: a. Cutting tools b. s p i n d l e
c. Gear
d. Drives
602] Grinding operations is used for a. Shaping b. Forming
c. Dressing
d. F i n i s h i n g
603] Hot chisel is used in: a. Fitting shop b. Carpenter shop
c. B l a c k s m i t h y s h o p
d. Sheet metal shop
604] Brass is an alloy of: a. Lead and zinc b. C o p p e r a n d z i n c
c. copper and tin
d. Tin and zinc
605] Bronze is and alloy of: a. Copper and zinc b. Lead and zinc
c. C o p p e r a n d t i n
d. Tin and zinc
606] Gun metal is an alloy of copper a. Lead and zinc b. T i n a n d z i n c
c. lead and nickel
d. Zinc and nickel
608] Spelter is an alloy of: a. Lead and Zinc b. C o p p e r a n d Z i n c
c. Tin and Zinc
d. Zinc and nickle
609] Solder is an alloy of: a. Tin and zinc b. Lead and tin
c. L e a d a n d t i n
d. Zinc and Nickel
c. Tin and Nickel
d. Lead and zinc
c. Tin and Nickel
d. Lead and Zinc
610] soft solder is an alloy of: a. Tin and zinc b. Lead an d tin 611] Bell metal is an alloy: a. Lead and tin b. C o p p e r a n d t i n 612] Munts metal is an alloy of a. C o p p e r a n d z i n c b. Copper and Tin
c. Copper and Aluminium d. Copper and Nickle
613] White metal is an alloy of a. Copper and Tin c. C o p p e r , L e ad ad , T in in a n d A n t i m o n y
b. Copper, Zinc and Tin d. Copper, Zinc, Tin and Antimony
614] Monel metal contains: a. Nickle and aluminium c. Nickel and Chromium
b. N i c k e l a n d c o p p e r d. Nickel and zinc
615] Carbon content in cold chisel is: a. 0.6 to 0.7% b. 0.85 to 0.95%
c. 1.0 to 1.2%
d. 1.2 to 1.4%
616] Carbon percentage in H.S.S. tool a. 0.75 to 1.00% b. 1.00 to 2.00%
c. 0.60 to 0.75%
d. 0.20 to 0.30%
617] High carbon steel contain: a. 0.7 to 1.5 % b. 1.2 to 1.4 %
c. 0.6 to 0.7 %
d. 0.15 to 0.3 %
618]
An operator who does fitting something is called B. Turner c. Machinist a. Fitter 619] Fitter is also called: a. Electrician b. T e c h n i c i a n
c. Good person
620] This calipers is used while marking the centre of a round bar: a. Outside caliper b. Vernier caliper c. Jenn y Caliper Caliper 621] While marking curved lines, use the: er a. Offset scriber b. J e n n y c a l i p er
c. Divider
622] Surface plates are used for marking because: a. They can withstand the weight of heavy components c. Marking tools can slide over easily 623] the vice spindle has: a. Square threads b. Acme threads
b. The have large surface area d. T h e y p r o v i d e t h e d a t u m s u r f a c e
c. V threads
624] while fixing the fitter's vice on the bench, the normal height would be: be: a. Equal to the operators shoulder b. 400 mm from the ground level c. 4 0 i n c h e s f r o m t h e g r o u n d l e v e l. 625] The flat chiesel has a slight slight convexity on the cutting edge because el y c. a. To control the temper b. T o m o v e a l o n g t h e l i n e f r e el c. To resist blows on deep cutting 626] To know the length of hacksaw blade measure it from: A. End to to end b. One pin pin hole to other pin hole c. T h e c e n t r e o f t h e t w o p i n h o l e s 627] To determining the length of a file, it may be measured from: a. tip to shoulder b. Tip to tang c. Tip to inner heel 628] Draw filing is done: a. to keep up the accuracy b. before wing smooth file
c. f o r b e s t f i n i s h i n g
629] A ferrule is fixed in the file handle a. For fancy b. to grip the fire
c. t o p r e v e n t t h e h a n d l e f r o m d a m a g e
630] The web of a twist drill is: a. Reducing the friction b. leading the speed c. T h e b ac ac k b o n e o f t h e c u t t i n g e d g e s 631] The tapping hole should be: a. Equal to the tap size b. E q u a l t o t h e m i n o r d i a m e t e r c. Larger than the tap size 632] Before using a micrometer: a. Clean the parts b. Wash your hands 633] The lock nut is provided in the micrometer a. T o c o n t r o l t h e s p i n d l e b. To lead the spindle 634] The micrometers have threads of. a.B.S.F. b. B.S.W. 635] The heavy and rigid screw driver is: a. Philips b. A m e r ic ic a n 636] A minute gap is measured by a a. Fillet gauge b. Wire gauge 637] The worm gear is fitted for a. Increase the speed b. C h a n g e t h e d i r e c t i o n
c. C h e c k u p t h e z er er o e r r o r c. To measure the job accurately c. B.A. threads c. London Pattern Feeler gaug e c. Feeler
c. Control the matting gear
638] Dressing is necessary for a grinding wheel a. To make perfect round b. T o i m p r o v e t h e c u t t i n g a c t i o n o f t h e ab ab r a s i v e c. Making the abrasive to dull
639] When you hear a terrible sound from a working machine? a. Run away to escape by nearest gate b. p u t o f f t h e s w i t c h i m m e d i a t el el y c. Ring the danger alarm bell 640] Which files are particularly useful for filing at right angles to the finished surface a. Flat file c. Bastard file b. H a n d f i l e 641] Coke is produced from: a. The hearth b. coal
c. Charcoal
642] Telescopic gauges are used to measure holes and shafts: a. From 10 mm to 100 mm b. from 12 mm to 152 mm c. from 12.7 d. None of the above 12.7 mm to 152.4 152.4 mm 643] A special feature of the radial drilling machine is: a. It can be used for drilling with a H.S.S. drill b. Table can be moved and set at any position c. A variety of speeds is available d. T h e s p i n d l e c an an b e b r o u g h t t o a n y p o s i t i o n 644]
When the taper shank of the drill is larger than the machine spindle the device to hold the drill is a: a. Drill sleeve. b . Taper c. Drill drift d. Chuck and key Taper soc ket
645] The suitable cutting fluid for precision grinding is: a. S o l u b l e o i l b. Synthetic soluble oil c. Neat oil 646] The Morse taper provided on drills ranges between: a. MT 1 TO MT 5 b. MT 1 TO MT 4 c. MT 0 TO MT 5
d. Serve Cut "S" d. MT 0 TO MT 4
647] The sensitiveness of spirit level depends upon the: a. Size of the bubble b. Length of the glass tube c. Type of liquid filled in the glass tube d. C u r v a t u r e o f t h e g l a s s t u b e 648] The difference in reading between the minor and major load is taken into account in: a. Brinnel hardness test b. Ghore method test c. R o c k w e l l h a r d n e s s t e s t d. Vicker hardness test 649] The external threads on G.I. pipes are cut easily by: a. Tap sets b. D i es c. Centre lathe es a n d d i e s t o c k s
d. Thread rollers
650] You have to file on aluminium block to a smooth finish which one of the following cut of type is most suitable a. Double cut b. C u r v e d c u t c. Rasp cut d. Single cut 651] In micrometer, graduations is marked on: a. Anvil b. t h i m b l e
c. Spindle
652] Which one of the following chisel is to be used for chipping the grooves? a. Flat chisel b. C r o s s c u t c h i s e l c. Half round nose-chisel d. Web chisel 653] What coolant is suitable for drilling cast iron? a. Kerosene b. Water soap emulsion' c. N o c o o l a n t 654] Which one of the following is an artificial abrassive? a. Emery b. Diamond c. Corrundum
d. Soluble oil d. S i lili c o n c a r b i d e
655] Which one of the following cutting fluids is used during grinding mild steel? a. Mineral oil b. Non synthetic cutting oil c. s o l u b l e o i l d. paraffin 656] Mushroom headed chisel should: a. While cutting on keyways b. Always for safety c. When reducing the metal rapidly d. N o n e o f t h e s e 657] The magnifying glass is used: a. While chipping b. While grinding c. W h i l e r e a d i n g a c c u r a t e m e a s u r e m e n t s d. While drilling
658] The spring washer is used: a. T o m i n i m i z e t h e v i b r a t io b. To save the depreciation c. For seating the nut io n 659] The feeler gauge is used for: a. Checking surface roughness b. Checking the radius of work piece c. C h e c k i n g t h e g a p b e t w e e n m a t i n g p a r t s d. Checking the accuracy of hole locations 660] Tapers are used for: a. Making a hole b. Finishing a hole
c. E a s y a s s e m b l e an an d d i s s e m b l e o f p a r t s
661] Allen keys are used for Tightening of: a. Nuts b. Rivets
c. S c r e w s
662] In Tig Welding, organ is used to: a. Weld faster b. Reduce stresses
en t o x i d a t i o n c. P r e v en
673.
A lathe carrier used for turning in between centres. Which one of the following accessories is used along with it ?
a. Collet check 674.
d. None
b. Rake angle
c . Clearance Clearance ang le
b. Less than pitch
c. None of the above
b. Running fit
c. Driving fit
d. Force fit
b. Araldite bonding
c. Riveting
d. Soldering
b. S h a f t a n d p u l l ey ey
c. Shaft and bearing d. Sprocket and chain
b. Strain
c. Yield point
d. F ac ac t o r o f safety
b. Tempering
c. Annealing
d. Corburising
b. Drift
c.Face plate
d. Chuck
c. 32 o C
d. 100oC
c. Aluminium coating
d. Painting
Freezing Fahrenheit scale is equal to :
a. 0oC 686.
c. Taper
Which one the following is not a work holding device?
a. Collect 685.
b. Square
Surface hardening process is:
a. N i t r i d i n g 684.
d. Vegetable
The proportional between tensile strength and working load is called:
a. Stress 683.
c. Soluble oil
Keys are used in M/c for fixing:
a. Two shafts 682.
b. K e r o s e n e
Which joint is permanent joint?
a. Bolt and nut 681.
d. Roots
Cycle hub or pulley of a Motor is best example example for :
a. Push fit 680.
c. Crests
In multi-start multi-star t thread, the lead is :
a. M o r e t h a n p i t c h 679.
b. Flanks
The angle of inclination of the thread to the imaginary perpendicular line is called :
a. Helix angle 678.
d. 3 jaw chuck
End of shank for hand reamer is:
a. Parallel 677.
c. D r i v i n g p l a t e
You have to cut threads on aluminium. Which of the following coolants you will use?
a. Lord oil 676.
b. Steady rest
In a threaded assembly the contact between the male and female threads take place on the:
a. Pitch 675.
d. Nails
b. 212oC Anodising process on
a. Z i n c c o a t i n g
b. Tin coating
687.
The maximum temperature of neutral flame on gas welding is:
a. 2000 oC 688.
b. 3200 oC
c. Both a and b
d. None of the above
Rotary motion is converted into reciprocating motion by means of the
a. Rocker arm and bull gear 690.
d. 6000 oC
In butt joint weld, two plate are held:
a. O n e a b o v e t h e o t h e r b. Side by side 689.
c. 5000 oC
b. Rack and opinion
c. Worm and worm gear
In one complete revolution of the bull gear wheel the ram gets:
a. O n e r e v e r s e s t r o k e
b. One forward and one reverse stroke
c. One forward stroke
d. None of these
691.
Level gears are used to Transmit:
a. Parallel motion 692.
b. Lathe m/c
d. S h a p i n g m / c
c. Vernier
d. None of the above
The threads used in screw jack are generally of the form:
a. S q u a r e 695.
c. Drilling m/c
Pitch diameter can be checked by :
a. 3 w i r e m e t h o d b. Micrometer 694.
c. Perpendicular motion
Dovetailing and keyway cutting can be done on:
a. Boring m/c 693.
b. In c l i n e d m o t i o n
b. Vee
c. Acme
d. None of these
The minor diameter of thread is:
a. Major diameter – pitch
b. Major diameter – 2 x 0.6134 x pitch
c. Major diameter – 0.7 0.7 x pitc h
d. Major diameter – 2 x pitch
696.
M12 x 1.5 denotes
a. Temerature of threads
b. Metric rubber boards 12 dia x 1.5 thick
c. Least count of Metric vernier 12 size x 1.5 LC
d. Thread in Metric standard
697.
In which which of following operation on the lathe the spindle speed will be minimum:
a. Taper turning 698.
b. Dial test indic ator c. Slip gauge d. All of the above
b. L e n g t h j o b s
c. Supporting short shaft
d. None of these
In turning operation:
a. Tool rotates 701.
ad c u t t i n g d. T h r e ad
Steady rest in the lathe are used for:
a. Holding parts 700.
c. Fine finishing
The diameter of finished shaft can be checked with:
a. Combination set 699.
b. Partening off
b. J o b r o t a t es es c. Both tool and job rotates d. Both fool and job do not rotates
Holding grips are finished by operation:
a. K n u r l i n g o p e r at a t i o n b. Shaping operation c. Milling Operation 702.
d. Slotting operation
Which of the following tool material has highest cutting speed?
a. H.S.S.
b. Carbon Steel
c. High carbon steel
d. C a r b i d e t o o l s
703.
Silicon carbide is associated with:
a.
Turning
704.
Which is the following type of bonding is generally used in manufacture of grinding wheel?
a.
Vetrified
705.
Grinding wheel get glazed due to
a.
b.
b.
Miling
c.
Rubber
d.
Grinding
c.
Shellac
Wear abrasive grains
b.
B r e a k i n g o f a b r a s iv iv e g r a i n
c.
Wear of bond
d.
Cracks of grinding wheel
706
In grinding chatter marks can be avoided by:
a.
P r o p e r b a l an an c i n g o f w h e e l
b.
Using more coolant
c.
Using rubber sheet
d.
Reducing of RPM of wheel
715]
Which of the following rivet is used in ship building?
a. Buffercated rivet b. Pan Head rivet 716] a.
d.
All the above
c. Snap head rivet d. Flat head rivet
Abrasive is a very: Soft
b.
c.
Hard
Mild
d.
Liquid substance
d.
Al1O1
717]
Chemical symbol of aluminium oxide abrasive is
a.
Al2O2
718
Which one of the following is used to joint two metallic sheets?
a.
Jigs
719]
Which one of the following is used for marking quickly on a number of job:
a.
Surface plate b.
720
Soldering is made by solder used with Ammonium chloride flux at:
a.
700oC
727.
Male part is less than female part (shaft size is lesser than hole size):
a. Clearanc Clearanc e fit 728.
b.
c.
Fixture
c.
Template
o
c.
c.
3 00 C
b. Interference fit
A l 2 O 3 2 3
Rivet
Scraper
3000oC
c. transition fit
d.
d.
d.
Divider
Divider
200 oC
d. None of these
b. Square head
c. Protractor head
d. None of these
b. Extension tap
c. Hand tap
d. Intermediate tap
Indicate two types of self holding tapers
a. Morse taper 731.
b.
Al3O3
Which tap is come in sets 1 st tap, 2 nd tap, 3 rd tap?
a. Machine tap 730.
b.
Which one of the following part of the combination set is used for marking and measuring 45 o to 90o angles?
a. Centre head 729.
All the above
b. Self releasing taper
c .Metric taper
d . A and C
Which angle of the drill is 8 o to 12o?
Clearnanc e ang ang le a. Clearnanc
b. Lip angle c. Dead centre
d. None of these
732.
Hot chisel is used in:
a. B l a c k s m i t h y s h o p b. Sheet metal shop 733.
b. 80 to 100 T.P.I
c. 40 to 65 T.P.I
The different cuts of files: a. Single cut b. Doubt cut c. Rasp cut d. Curved cut
742.
Name the different grades of file : a. Rough file b. Bastard file c. Second cut file d. Smooth file e. Dead smooth file
743.
Name the types of joints of capiers: Ans.
a. Firm joint b. Spring joint
744.
Name the common type of marking media Ans.
a. White wash b. Prussian blue c. Copper sulphate d. Cellulose lacquer
745.
Name the different punches in markings Ans.
a. Dot punch punch b. Prick punch c. Centre punch
746.
Name the different types of Heacksaw frames: Ans.
a. Solid frame frame b. Adjustable frame (flat type) c. Adjustable frame(tubular type)
747.
Name the types of Hacksaw blades: Ans.
a. All hard blade b. Flexible blade
748.
d. Carpenter shop
How many teeths are cut per inch in the bastard file:
a. 20 to 30 T.P.I 741.
c.Fitter shop
Name of two types of surface gauge: Ans.
a. Surface gauge-fixed gauge-fixed type b. Universal surface gauge
d. 35 to 40 T.P.I.
749.
Name the types of angle plates: Ans.
a. Plain solid solid angle plate b. Slotted type angle plate c. Swivel type angle plate d. Box angle plate
780.
Name the two types of polythene:
.a. Low density polythene 781.
b. High density polythene
Name the different types of friction:
a. Limiting friction
b. Liquid friction
c. Sliding friction
d. Gas friction
e. Rolling friction
f. Boundary friction
782.
Name the four types of surface hardening:
a. Case hardening 783.
b. Nitriding
c. Flame hardening
Name the types of tongs : Ans.
a. Round tongs tongs b. Flat tongs c. Hollow tongs d. Square mouth tongs
784.
785.
State the types of drawing outprocesses a.
Necking
b.
Fullering
c.
Finishing
d.
Setting stock
Name the types of structures of steel: Ans.
a. Ferrite b. Cementite c. Eutectoid steel d. Hypoeutectoid steel e. Hyper eutectoid steel
786.
Name the types of snips: Ans.
a. Straight snips b. Bent snips
787.
Name the type of notches: Ans.
a. Straight notch b. Square notch c. Slant notch d. V. notch e. Wire notch
788.
g. Solid friction
Name the types of stakes: Ans.
a. Hatchet stake
b. Half moon moon stake
c. Funnel stake
d. Beak or bick iron
d. Induction hardening
789.
Name the types of hems: Ans.
a. Single hem hem b. Double hem c. Wired edge
790.
Name the types of solders:
Ans.
a. Soft solders solders
791.
Name the different types of fluxes:
b. Hard solders solders
a. Hydrochloric acid
b. Zinc chloride
c. Ammonium chloride
d. Resin
792.
e. Paste
Name the types of seams: Ans.
a. Lap seam seam b. Grooved seam c. Single seam d. Double seam e. Double grooved seam
793.
Name the different types of gases used in gas welding: Ans.
794.
b. Hydrogen Hydrogen gas
c. Coal gas
d. Liquid petroleum gas (LPG)
Name the different types of oxy-acetylene flames Ans.
795.
a. Acetylene Acetylene gas
a. Neutral flame
b. Oxidising Oxidising flame
c. Carburising Carburising flame
State different types of gas flame combinations Ans.
a. Oxygen+acetyl Oxygen+acetylene ene = Oxy-acetylene flame b. Oxygen+hydrogen = Oxy-hydrogen flame c. Oxygen+coal = Oxy-coal gas flame d. Oxygen+LPG = Oxy-LP gas flame
796.
Name the types of basic welding joints Ans.
a. Butt joint joint
b. Lap joint joint
c. Tee joint
d. Corner joint
e. Edge joint 797.
State the basic welding positions: Ans.
a. Flat or down down hand hand position position
b. Horizontal Horizontal position position
c. Vertical position
d. Over head position
798.
Name the different types of distortion: Ans.
a. Longitudinal Longitudinal distortion distortion b. Transverse distortion c. Angular distortion
799.
Name the different types of welds: Ans.
a. Bead weld weld b. Groove weld c. Fillet weld d. plug weld
800.
Name the different types of gas cutting machine. Ans.
a. Straight line cutting cutting b. Large circle cutting c. Small circle cutting
801.
Name the types of welding: Ans.
a. Fusion welding welding b. Non fusion welding
802. Name the different types of arc welding machines. Ans.
a. A.C. welding welding machine machine b. D.C. welding machine
803.
State the types of polarity:
Ans.
a. Reverse Reverse polarity polarity
804.
Name the three types of arc length: Ans.
b. Straight polarity
a. Normal b. Long c. Short
805.
Name the different types of „T‟ joints:
Ans.
a. Types of „T‟ joints joints b. Square „T‟ joint
c. Single bevel „T‟ joint 806.
Name the type of filters. Ans.
a. Machine fitter b. Bench fitter c. Pipe fitter
807.
Double bevel „T‟ joint:
Ans.
a. Single „J‟‟T‟ joint b. Double „J‟ „T‟ joint
808
Types of lap joints Ans.
a. Single fillet fillet lap joint joint b. Double fillet lap joint
809.
Types corner joint Ans.
a. Full corner corner joint b. Half open corner joint c. Full open corner joint
810.
Name the types of weld testing : Ans.
a. Destruction Destruction test b. Non-destruction test
811.
Name the two types of head stocks: Ans.
a. All geared geared head stock stock b. Cone pulley drive head stock
812.
Name the types of bed ways: Ans.
a. Flat bed ways b. „V‟ bed ways
c. Combination bed ways 813.
Name the types of tool posts: Ans.
a. American type tool post b. Quick change tool post c. Single way tool post or indexing type or square tool post
814.
Name the types of lathe cutting tools: Ans.
a. Solid type type tools b. Brazed type tools c. Carbide tools d. Inserted bits with holders
815
Name the types of spindle nose: Ans.
a. Plain threaded threaded spindle spindle nose nose b. Long taper spindle nose c. Stort taper spindle nose
816.
Name the types of lathe carriers: Ans.
a. Straight tail carrier carrier b. Bent tail carrier c. Clamp type carrier
817.
Name the types of lathe centre:
a. Ordinary centre d. Ball centre 818.
b. Half centre e. Pipe centre
Name the different types of shoulders. Ans.
a. Square shoulders shoulders b. Bevelled shoulders c. Filletted shoulders d. Under cut shoulders
c. Tipped centre f. Revolving centre
819.
Name the different standard tapers: Ans.
a. Morse taper taper b. Broan and sharp taper c. Journal taper d. Metric taper e. Pin taper
820.
Name the different methods of taper turning on a lathe: Ans.
a. Form tool method b. Compound slide method c. Tail stock offset method d. Taper turning attachment method
821.
Name the types of knurls: Ans.
a. Diamond knurling b. Straight knurling c. Cross knurling d. Concave knurling e. Convex knurling
822.
Name the types steady rests: Ans.
a. Fixed steady steady rest. rest. b. Travelling steady res
823.
Name the different types of gear trains: Ans.
a. Simple gear gear train b. Compound gear train
824.
Name the different types of self holding tapers: Ans.
a. The metric taper b. The morse taper
825.
Name the different types of machine screws used in heady duty assembly. Ans.
a. Hexagon Hexagon head screws screws b. Hexagon socket head cap screws. c. Square head countersink head screws
840.
Name the two types of treaming tools. Ans.
a. Fly cutter cutter b. Hole saw
841.
Name the different types of sprigs: Ans.
a. Wire springs springs II helical helical compression compression springs springs b. Flat springs II conical disc springs c. Helical tension springs d. Helical torsion
842.
Name different types of screw drivers: Ans.
a. Standard screw driver driver (1. Heavy duty, 2. Light duty) b. Philips screw driver c. Offshore screw driver d. London pattern screw driver
843.
Name different of spanners: Ans.
a. Open end end spanners spanners b. Ring spanners c. Double ended spanner d. Single ended spanner
844.
Name the special purpose spanners Ans.
a. Tube or tubular tubular box box spanner spanner b. Socket spanner c. Adjustable spanner d. Hook spanners
845.
Name the four types of pliers: Ans.
a. Flat nose nose pliers b. Round nose pliers c. Slip joint pliers d. End cutting pliers e. Side cutting pliers f. Locking pliers
846.
Name the different types of pipe wrench Ans. Ans:
847.
b. Strap wrench wrench
c. Stillson pipe wrencH
d. Foot print wrench
Name the different types of spirit level. Ans.
848.
a. Chain wrench wrench
a. Engineers Engineers precision precision spirit spirit level
b. Block level level
Name the different types of standard Engineer‟s squares:
There are three types : Ans. a. Type-1 – Engineering square bevel edged with stock b. Type-2 – Engineering square with flat edge and without stock c. Type-3 - Engineering square with flange. 849.
Name the different types of lubricators: Ans. a. Oil can b. Oil cup c. Grease gun d. Wick feed lubricator e. Sight feed lubricator
850.
Name the different types of circlips: Ans. a. Internal circlips b. External circlips
851.
Name the two types of adhesive:
Ans.
a. Natural adhesive adhesive
852.
Name the two group of foundation bolts:
Ans.
a. Fixed type type
853.
Name the different types of grouting:
Ans.
a. Cement concrete concrete grouting grouting
854.
Name the different types of hoists:
b. Synthetic Synthetic adhesive adhesive b. Removable Removable type b. Sulphur grouting
Ans. a. Differential Differential hoist b. Screw geared hoist c. Spur geared hoist 855.
Name the different types of cranes used in rigging operation:
a. Jib cranes 856.
b. Travelling crane
c. Gantry crane
Name the different types of clutches
a. Dot clutch
b. Cone clutch
c. Air clutch
d. Centrifugal clutch
e. Single plate clutch
f. Over riding clutch
857.
Different types of pipe vices:
a. Portable folding vice
b. Chain pipe vice – 200 mm dia
858.
Name the three most common pipe benders
Ans.
a. Portable Portable hand operated operated pipe pipe bender bender
c. Pipe vice – 65 mm dia
b. Bench type hand operated pipe bender c. Hydraulic bending machine 859.
Name the different types of presses:
a. Hand press or fly press b. Mechanical type or power press. 860.
Name the different types of broaching machines:
Ans.
a. Vertical broaching broaching machine machine
c. Hydraulic press
b. Horizontal broaching machine c. Continues surface broaching machine 861.
Name different methods of removing broken taps:
a. Use of tap extractor
b. Use of punch
d. Use of Arc Welding
e. Use of Nitric Acid
862.
c. Annealing and drilling the tap
Name the different methods of removing broken studs: Ans. a. Screw extractor extractor c. Using screw driver e. Using spanner f. By drilling
b. Tapered square drift drift d. Punch and hammer
863.
Name the different methods bending rods and pipe in a bench vice: Ans. a. Bending using bending bending jaw b. Bending with Fixture c. Bending with bending die
864.
Name the different methods used for checking minor diameter of external threads:
a. Use the vernier caliper 865.
b. Checking with micrometer
Name the different methods of testing hardness:
a. Brinell method (HB)
b. Vickers method (HV)
c. Rockwell method(HR)
d. Shore method
866.
Name the different methods of lubricants
a. Forced feed 867.
c. Splash method
Name the different methods of filing
a. Straight filing 868.
b. Gravity feed b. Cross filing
c. Draw filing
Name the different methods of making threads:
a. By hand
b. By lathe
d. By milling
e. By rolling and pressing
c. By casting
