1. A correct cutting angle on a drill for ordinary work is: a. 45⁰ b. 59⁰* c. 64⁰ d. 70⁰ . !"en using a drill #ress$ t"e work s"ould be "old wit": a. glo%e "and b. t"e "and c. a %ise and a cla&#* d. #liers '. A &ac"ining o#eration w"ereby t"e tool reci#rocates and t"e feed is stationary. stationary. a. rea&ing b. s"a#ing* c. #lanning d. turning 4. A &ac"ining o#eration w"ereby t"e tool rotates and t"e feed is stationary. a. s"a#ing b. &illing* c. turning d. rea&ing 5. A &ac"ine used in s"a#ing &etal by &eans of abrasi%e w"eel or re&o%al of &etals wit" abrasi%e. a. s"a#er b. #laner c. grinder* d. #ower saw 6. (o (o #re%ent leakage in dyna&ic seals$ it is reco&&ended to used a. gaskets b. seals c. #ackings* d. felts 7. ("e #rocess of c"ecking or #roducing c"eckers on t"e surface of t"e #iece by rolling c"eckered de#ressions in t"e surface. a. inde)ing b. soldering c. knurling* d. uenc"ing +. (oot" (oot" widt" &easured along t"e c"ord at t"e #itc" circle. a. c"ord s#ace b. c"ordal t"ickness* c. c"or c"ord d cle clear aran ance ce d. c"or c"ord d len lengt" gt"
1. An agency "andling assistance to all foundry$ &ac"ine s"o# and &etallurgical #lant o#eration. a. /( b. 2, c. 3,/-* d. ,-8 1. A &etal c"aracteristic t"at absorbs e)tre&e defor&ation wit"out ru#ture is called: a. "ardness b. ductility c. #lasticity* d. toug"ness 1'. ("e sie of all t"e #i#es fro& 116 inc"es to 1 inc"es is de;ned by <<<<< sie. a. design b. e)ternal dia&eter c. ins insid ide e dia& dia&ete eter* r* d. tub tubul ular ar 14. -utting lubricants used in drilling$ rea&ing and la##ing of cast iron #arts. a. soda water b. kerosene c. soluble oil d. dry* 15. ("e angle de%elo#ed between toot" #ro;le and radial line at its #itc" #oint is referred as: a. a##r a##roa oac" c" angl angle e b. #res #ressu sure re angl angle* e* c. recess angle d. base "eli) angle 16. ("e #ur#ose of annealing is to &ake a &etal: a. "arder b. &ediu& "ard c. softer* d. s"iny 17. A,, nu&bering for silicon steel. a. +5== b. 9==* c. 9'== d. +7== 1+. #eci;c weig"t of steel in lbsinc"es' a. 0.+' b. 0.'+ c. 0.+'* d. 0.+'
9. ,t is reco&&ended for "ig" s#eed a##lication t"at t"e &a)i&u& nu&ber of teet" in s&all s#rocket s"ould be: a. 10 to 0 b. 16 to ' c. 14 to + d. 1+ to 4*
19. atio of coil to wire dia&eter$ a &easure of coil cur%ature. a. s#ring rate b. s#ring inde)* c. !a"l>s factor d. s#ring scale
10. -ast iron yw"eels are co&&only designated wit" a factor
0. !"en "ole is s&aller t"an t"e s"aft$ it will take #ressure to
c. inte interfer rferenc ence e of &etals &etals* * d. nega negati% ti%e e allo allowan wance ce 1. A kind of t"read t"at is generally used. a. 8 b. 8 c. -* d. +?("read series
9. A weld &ade to "old t"e #arts of a weld&ent in #ro#er align&ent until ;nal welds are &ade. a. fusion weld b. tack weld* c. electric weld d. o)y?acetylene weld
. A &ac"ine tool used #rinci#ally to &ac"ine at or #lane surfaces wit" a single #oint cutting tool. a. s"a#er* b. #laner c. &illing d. lat"e
'0. ,t is a &ac"ine used for testing of %ery t"in steel or surface layers. a. -"ar#y test b. ,od test c. /esc /escri ri#t #tio ion n tes testt d. ockw ockwel elll tes test* t*
'. ("e ratio of relati%e %iscosities colliding bodies after i&#act to t"eir %elocity before i&#act. a. coe@cient of friction b. coe@cient of %elocity c. coe@cient of restitution* d. coe@cient of uctuation
'1. A &ac"ine tool in w"ic" an abrasi%e w"eel is used as a cutting tool to obtain a %ery s&oot" ;nis". a. 2roac"ing &ac"ine b. laner c. (ool grinder* d. Bat"e &ac"ine
4. ,n &ac"ine s"o# forging o#eration of lengt"ening a #iece of stock w"ile reducing t"e cross sectional area of work is called: a. reducing b. u#setting* c. u#grading d. desiing 5. ,t is t"e radial distance between t"e to# of t"e toot" and t"e botto&s of t"e &ating toot" s#ace. a. clearance* b. tolerance c. lead d. crest 6. An arc of t"e #itc" circle t"roug" w"ic" a toot" tra%els fro& its contact to a &ating toot" at t"e #itc" #oint to t"e #oint w"ere contact ceases. a. arc of action b. arc of recess* c. arc arc of of a## a##ro roac ac" " d. back backla las" s" 7. ("e distance a "elical gear would t"read along its a)is one re%olution of it were free to &o%e a)ially. a)ially. a. crest b. lead* c. &odule d. clearance +. Ability of a &aterial to absorb energy w"en defor&ed elastically and return to it w"en unloaded is: a. toug"ness b. cree# c. resilience* d. #lasticity
'. A &ac"ine tool used to #roduce a %ariety of surfaces by using a circular ty#e cutter wit" &ulti#le teet" a. lat"e &ac"ine b. &illing &ac"ine* c. broac"ing &ac"ined. grinding &ac"ine ''. A cutting tool used to ;nis" internal and e)ternal surfaces by t"e use of a cutte r called a broac"$ w"ic" "as a series of cutting edges of teet". a. lat"e &ac"ine b. broac"ing &ac"ine* c. #laner d. s"a#er '4. A kind of c"uck$ w"ic" s"ould not be used w"ere accuracy is reuired called a. collet c"uck b. &agnetic c"uck c. four Caw c"uck d. uni%ersal c"uck* '5. A tool w"en #ressed into a ;nis"ed "ole in a #iece of work$ #ro%ides center on w"ic" t"e #lace &ay be turned ot"erwise &ac"ined called a. &es" b. butt c. &andrel* d. wobble '6. A &ac"ine tool w"ic" is %ery si&ilar to a s"a#er e)ce#t t"at t"e ra& reci#rocates %ertically rat"er t"an "oriontally. "oriontally. a. lat"e b. grinder c. #laner d. slotter* '7. A cylindrical bar of steel wit" t"reads for&ed around it and
c. (a#* d. 8lute '+. ("e o#eration of &aking a cone?s"a#ed enlarge&ent of t"e end of a "ole$ as for a recess for a at "ead screw. a. -ounter sinking* b. Enurling c. uaring d. erfor&ing '9. ,t is an o#eration of siing and ;nis"ing a "ole by &eans of a cutting tool "a%ing se%eral cutting edges. a. otc"ing b. iercing c. (urning d. ea&ing* 40. ("e "o# ter& used to include t"e &arking or inscribing of center #oints circle area of straig"t lines u#on &etal surface eit"er cur%e or at$ for t"e guidance of t"e worker called: a. "a#ing b. Fobbing c. Baying out* d. "a#ing 41. ,t is used to tr ue and align &ac"ine tools ;)tures and works to test and ins#ect sie trueness of ;nis"ed work and co&#are &easure&ents eit"er "eig"ts or de#t"s or &any ot"er &easure&ents. a. dial gage b. dial indicator* c. tac"o&eter d. s#eedo&eter 4. ("e #rocess of for&ing &etals by t"e use of dies after t"e &etal is "eated to its #lastic range. a. olling* b. 8orging c. (urning d. -asting 4'. A &ac"ine tool used to cut &etals a lift$ &ediu& and large section using a reci#rocating "acksaw blade. a. (ool grinder b. "a#er c. laner d. ower saw* 44. ("e usual %alue of "eli) angle of a drill is: a. '0⁰* b. 60⁰ c. 110⁰ d. 10⁰ 45. !i#ing is t"e #rocess of: a. a##lying u) during welding #rocess b. cleaning t"e welded surface after t"e welding o#eration is o%er c. connecting load #i#es by soldering alloy*
46. ,n -art"ias #rocess a. &olten &etal is fed into t"e ca%ity in &etallic &ould by gra%ity b. &etal is #oured into die ca%ity and after a #redeter&ined ti&e$ t"e &ould is in%erted to #er&it a #art of &ain steel in &olten state to ow out of ca%ity c. ca%ity is ;lled wit" a #recalculated uantity of &etal and a core or #lunger is inserte d to force t"e &etal into c a%ity* d. &etal is forced into &ould under "ig" #ressure 47. !"at is t"e #ur#ose of riserG a. 8eed t"e casting at a rate consistent wit" t"e rate of solidi;cation b. Act as a reser%oir for &olten &etal c. Fel# feed t"e casting until oil solidi;cation takes #lace* d. 8eed &olten &etal fro& #ouring basin to gas 4+. ("e &ould for casting ferrous &aterials a. -o##er* b. Fig" carbon steel c. Bow carbon steel d. 3ediu& carbon steel 49. A #lug gage is used to &easure a. cylindrical bores* b. screw t"read c. s#"erical "oles d. ta#er bores 50. !"en large nu&ber of co&#onents are turned and #arted oH a bar t"e c"uck generally used is t"e <<<<<. a. collet c"uck b. four Caw c"uck c. &agnetic c"uck* d. two Caw c"uck 51. !"ic" of t"e following is t"e cutting s#eed of brassG a. '0&&in b. 40&&in* c. 50&&in d. 60&&in 5. Iuick return &ec"anis& is used in a a. drilling &ac"ine b. grinder c. lat"e d. s"a#er* 5'. 3andrel used to "old a. cutting tool c. face #late
b. drill bits d. "ollow work #ieces*
a. against t"e &illing cutter*b. at an angle of 60⁰ at t"e center c. at t"e rig"t angle of t"e cutter t"e cutter
d. t"e direction of
55. #rue is #assage #ro%ide for t"e a. out ow b. in ow* c. s&oot" ow d. solidi;cation of &olten &aterial 56. 8eed in t"e lat"e &ac"ine is e)#ressed in a. && b. && #er degree c. && #er re%olution* d. r#& 57. a##ing allowance is #ro%ided on a #attern take care of a. s"rinkage b. &ac"ining c. distortion d. easy wit"drawal* 5+. -"uck use in turret lat"e is a. collet c"uck b. four Caw self centering c"uck c. &agnetic c"uck d. t"ree Caw c"uck* 59. -a#e in foundry #ractice refers to a. botto& "alf of &olding bo) &old face c. &iddle #ortion of t"e &old bo)* 60. A %ent wire is use in a. foundry c. cold forging
b. coating on t"e d. to# "alf &olding
b. "ot forging* d. ;tting
61. Angle #late is used for a. cutting ta#ers in a lat"e s"a#er* c. cutting gears in a &illing angle in a grinder
b. cutting gears in a d. ;)ing Cob out
6. er&eability$ in relation to &olding sands$ is "ig" for a. coarse grain* b. ;ne grains c. &ediu& grains d. round grains
c. gi%e desired direction of t"e &o%e&ent to t "e lat"e carriage* d. reduce s#indle s#eed 64. A sine bar cannot be used wit"out aan a. angle gage* b. &icro&eter c. sli# gage d. %ernier cali#er 65. ("e o#eration of ;nis"ing drilled "ole to t"e correct sie is known as a. counter boring b. counter sinking c. rea&ing* d. s#ot facing 66. !"en t"e outer corners of t"e cutting edges of a drill wear away to ra#idly$ it is an indication ofG a. not enoug" s#eed b. too &uc" rake angle c. too &uc" "ig" s#eed d. 2 or -* 67. -arbon steel s"ould be o#erated at a. s#eed greater t"an t"at w"en using a "ig" s#eed drill b. s#eed less t"an t"at w"en using a "ig" s#eed drill* c. t"e sa&e s#eed as t"at using a "ig" s#eed steel d. none of t"e abo%e 6+. Enurling is done to<<<<<. a. boring b. c"a&fering* c. #lanning d. turning 69. !"en &aterial in a lat"e$ t"e "arder t"e &aterial being cut$ t"e tool bit s"ould "a%e a. less side rake* b. &ore side rake c. &ore to# rake d. no side rake 70. After grinding t"e tool bitJ t"e cutting edge s"ould be a. case "ardened b. rubbed wit" e&ery clot" c. rubbed wit" crocus clot" d. stoned wit" oil stone* 71. !"en cutting &aterial in a lat"e$ t"e softer t"e &aterial being cut$ t"e tool bit s"ould "a%e a. any of t"ese b. double to# rake c. less to# rake* d. &ore to# rake 7. A #iece of cast iron "old against an e&ery w"eel will gi%e oH
7'. ("e align&ent of cou#ling faces c an c"ecked by a. inserting a feeler gage between cou#ling faces at %arious #oints around t"e circu&ference* b. inserting t"er&o&eter c. rotating and &easuring to nearest #er&anent ;tting d. using an inside &icro&eter 74. A drill bit "as a. 1 ute c. ' utes
b. utes* d. 4 utes
75. !"en using a drill #ress$ t"e work s"ould be "eld wit" a. a #air of #ulley b. a %ise or cla&#* c. glo%es on d. t"e "and 76. !"en a lat"e is #ut into back gear$ it will go a. at a slower s#eed backwards b. at t"e sa&e s#eed backward c. faster d. slower* 77. n a lat"e$ t"e dead center is used after a. boring b. center?drilling* c. drilling d. rea&ing 7+. ("e best ;le to use w"en ;nis"ing s"ar# corner or a lots of groo%es is t"e a. Cewelry ;le b. knife ;le* c. &ill ;le d. suare ;le 79. e%er use a ;le a. t"at is dirty c. wit"out a "andle
b. wit" a tang* d. wit"out oiling
+0. !"ic" of t"e following infor&ation is necessary w"en ordering a ;le a. sie b. s"a#e c. ty#e of teet" d. all t"e abo%e* +1. !"en ;lling a #iece of &etal in a lat"e if s"ort uick st rokes are used t"e ;nis"ed #iece will #robably a. be out of round b. be #erfect c. "a%e s&all at areas on t"e surfaces d. A and -*
c. s"ort e%en stroke d. s"ort fast stroke +'. &all #iece of &etal clogged between t"e teet" on a ;le are called a. bu&#s b. clogs c. ats d. #ins* +4. 8inis"ing oH a #iece of &etal wit" a real s&oot" ;nis" can be done by a. draw?;lling* b. at?;ling c. &illing?;ling d. slide?;ling +5. 8or ;nis"ing a #iece of work to sie t "e ;le to use is t"e a. crossing ;le b. double?cut ;ne?toot" ;le c. &ill ;le d. single?cut ;ne?toot" ;le* +6. 8or ;lling lead or babbit$ use a a. lead oat ;le b. &ile ;le c. %i)en ;le d. A and -* +7. A "acksaw blade wit" ' (, is best suited for cutting a. s&all tubing b. conduit c. s"eet &etal under 1+ gage d. any of t"e abo%e* ++. A coolant is used w"en c utting a &aterial in a #ower "acksaw to a. absorb "eat of friction b. #re%ent t"e blade fro& o%er"eating c. #re%ent t"e blade fro& loose te&#er d. all of t"e abo%e* +9. A "acksaw blade wit" 10 teet" #er inc" is best suited for cutting a. alu&inu& b. cast iron c. solid iron d. any of t"e abo%e* 90. !"en cutting a long t"in #iece of &etal a. set t"e blade in t"e fra&e wit" t"e teet" facing toward you b. turn t"e blade at rig"t angles to t"e fra&e c. turn t"e blade u#side down in t"e fra&e d. use a blade wit" fewer teet" #er inc" 91. ("e "acksaw blade s"ould be #laced in t"e fra&e wit"
d. t"e teet" facing forward* 9. A "acksaw blade wit" '4 teet" #er inc" s"ould be used for cutting a. brass b. cast iron c. "ea%y d. t"in wall tubing* 9'. All "ard "acksaw blade is best suited for work on a. brass b. cast iron c. tool steel d. any of t"e abo%e* 94. A "acksaw blade wit" 14 (, is best suited for cutting a. cold rolled steel b. "ot rolled steel c. structural steel d. any of t"e abo%e* 95. 8iles are di%ided into two gene ral classes$ na&ely a. at s"a#es and round s"a#es b. large and s&all c. roug" and s&oot " d. sin gle?cut and double? cut* 96. A "acksaw blade can be #laced in a fra&e in a. one #osition b. two #ositions c. t"ree #ositions d. four #ositions* 97. A "ard "acksaw blade is one t"at a. "as a "ard back and e)ible teet" b. "as a e)ible back and "ared teet" c. "as t"e entire blade "ardened* d. will only ;t a solid fra&e "acksaw 9+. Facksaw blade wit" 4 (, is best suited for cutting a. brass and co##er b. s"eet &etal o%er 1+ gages c. tubing d. any of t"e abo%e* 99. Facksaw blades are &ade of a. "ig" s#eed b. tool steel c. tungsten alloy steel d. any of t"e abo%e* 100. A e)ible "acksaw blade is one t"at "as a. a &o%able blade b. e)ible ends c. only t"e back "ardened d. only t"e teet" "ardened* 101. !"en lat"e tool bit burns$ it &eans t"at t"e
10. ("e lat"e co&#ound is used for a. angle cutting b. groo%ing c. facing d. any of t"e abo%e * 10'. A uni%ersal c"uck cannot be used to cut a. an acentric b. a round stock c. a ca& d. A and - * 104. ("e Caw of a standard %ise is a. "ard * b. se&i?"ard c. se&i?soft d. soft 105. !"en facing oH a #iece of &aterial in t"e lat"e c"uck t"e bit &ust be set a. abo%e center b. at t"e center * c. below t"e center d. oH center 106. ("e out break of ;re can be a%oided by #re%enting: a. fuel b. "eatc. o)ygen d. any one of t"e abo%e* 107. ("e suare "ead of a co&bination set is used for &arking or c"ecking t"e angles: a. 90⁰ only b. 45⁰ only c. 90⁰ and 45⁰ * d. any angle between 0? 1+0⁰ 10+. Angle #late is &ade of: a. closed grain cast iron * b. cast steel c. tool steel d. "ig" s#eed steel 109. ("e eye "ole of a "a&&er "ead is &ade in o%al s"a#e and ta#er towards centre because: a. it is easy for #roduction b. it is s#ecially designed by e)#erts c. it acco&&odates t"e "andle and a wedge for #re%enting it fro& ying oH* d. none of t"e abo%e 110. ("e Caws of a leg %ice are o#ened: a. #arallel to eac" ot"er b. in KLM for&* c. A and 2 bot" d. neit"er A nor 2 111. 8or general work t"e cutting angle of a cold at c"isel is ground at an angle of:
11. A new "acksaw blade s"ould not be used in old cut because: a. t"e blade is %ery costly b. t"e blade "a%e %ery s"ar# teet" c. t"e s#ace is not su@cient to #lay t"e new blade in t"e old cut * d. none of t"e abo%e 11'. !"ic" of t"e following ;le is not "ardened: a. tang * b. "eel c. body d. #oint 114. ,n case of a at scra#er$ t"e de#t" of t"e cut is %eri;ed by: a. c"anging t"e con%e)ity of t"e cutting angle b. c"anging its inclination * c. c"anging its weig"t d. none of t"e abo%e 115. Denerally s#iral uted rea&er "as s#irals of: a. left "and * b. rig"t "and c. straig"t d. none of t"e abo%e 116. ,n w"ic" screw t"read t"e side N widt" of at N widt" s#ace N 0.5# a. knuckle b. buttress c. suare * d. ac&e 117. A stud is w"ic": a. "a%e t"reads on one end b. reuire a nut c. inserted in a #lane "ole d. none of t"e abo%e * 11+. O1+ O +O stainless steel &eans: a. 1+P (ungsten and +P -"ro&iu& b. 1+P -"ro&iu& and +P ickel* c. 1+P ickel and +P -"ro&iu& d. 1+P -"ro&iu& and +P -obalt 119. !"ic" is t"e lig"test &etal: a. lead b. D.,. "eet c. alu&inu& * d. cast iron 10. Fardened steel #arts "a%e: a. ;ne grains * b. coarse grains c. &ediu& grains d. none of t"e abo%e
c. dial test indicator * d. tube &icro&eter 1. !"ic" &icro&eter "as no an%il: a. outside &icro&eter b. de#t" &icro&eter * c. screw t"read &icro&eter d. digit &icro&eter 1'. !"ic" &icro&eter is a%ailable wit" e)tension rods: a. outside &icro&eter b. inside &icro&eter * c. screw t"read &icro&eter d. co&bi &icro&eter 14. !"ic" gauge is used to c"eck t"e internal t"reads: a. #lug gauge b. ring gauge c. t"read #lug gauge * d. t"read ring gauge 15. ,n case of a li&it #lug gauge w"ic" sie will not enter into t"e "ole: a. ODoO sie b. Oot DoO sie * c. A and 2 bot" d. none of t"e abo%e 16. Bi&it gauge is &ade to t"e <<<<< sies of t"e work to be &easured: a. actual and no&inal b. no&inal and u##er li&it c. no&inal and lower li&it d. &ini&u& and &a)i&u& *
17. ODoO li&it is: a. u##er li&it of s"aft b. lower li&it of s"aft c. A and 2 bot" * d. neit"er A and 2 1+. Ba##ing is done: a. to ;nis" t"e Cob to a ;ne degree of accuracy b. to get "ig" uality of surface teet" c. to control t"e sie d. all of t"e abo%e *
c. grinding d. turning 1'0. Qig bus"ings are generally &ade of: a. &ild steel b. cast iron c. tool steel * d. brass 1'1. 8i)ture cla&#s are generally &ade of: a. "ig" carbon steel b. case "ardened &ild steel * c. "ig" s#eed steel d. alloy steel
1'. uccessful designing of Cigs and ;)tures de#en d u#on: a. cla&#ing arrange&ent b. tool guiding ele&ents c. &anufacturing conditions d. all of t"e abo%e * 1''. !"en an e)ternal gear is &es"ed wit" an internal gear$ t"e gears will rotate in: a. sa&e direction * b. o##osite direction c. will not rotate d. none of t"e abo%e 1'4. !"ile soldering t"e u) is used bec ause: a. it assists for uick &elting and increasing t"e uidity of solder b. it sa%es t"e #art fro& o)idation c. it takes t"e &olten &etal on all surfaces d. all of t"e abo%e * 1'5. A usual ratio of soluble oil and water used in coolant is: a. 1 : 10 b. 10 : 1 c. 1 : 0 * d. 0 : 1 1'6. ,f r#& N 00$ feed #er re%olution N 0.05&&$ t"en feed #er &inute will be: a. 100&& b. 10&& * c. 4&& d. 1&& 1'7. 8or a gi%en r#&. ,f t"e dia&eter if a twist drill increases$ t"en t"e cutting s#eed will: a. increase * b. decrease c. sa&e d. none of t"e abo%e 1'+. An ad%ance &otion along t"e longitudinal a)is of a twist drill is called: a. s#eed
1'9. ,n internal cylindrical grinding t"e grinding w"eel and t"e work rotate in: a. sa&e direction b. o##osite direction * c. neit"er A and 2 d. A and 2 bot" 140. 8or grinding &aterials "a%ing low tensile strengt" w"ic" abrasi%e is used: a. silicon carbide * b. alu&inu& carbide c. e&ery d. corrundu& 141. ("e sie of a grinding w"eel is taken fro&: a. dia&eter of w"eel b. bore sie c. widt" of face d. all of t"e abo%e * 14. !"ic" center is used for su##orting o#en end of #i#es$ s"ells etc. w"ile turning or t"read cutting in a lat"e: a. ball centre b. "alf centre c. #i#e centre * d. fe&ale centre 14'. !"en outside dia&eter of a Cob is turned in relation to t"e internal "ole$ t"e Cob s"ould be "eld: a. in t"ree Caw c"uck b. on lat"e &andrel * c. on face #late d. between centres 144. ("e included angle of a dead centre is: a. '0⁰ b. 45⁰ c. 60⁰ * d. 90⁰ 145. ("e angle of 2.A. screw t"read is: a. 60⁰ b. 55⁰ c. 45⁰ d. 47.5⁰ * 146. 3ain alloying ele&ent in F... is: a. c"ro&iu& b. %anadiu& c. tungsten * d. nickel 147. ("e %alue of one &icron is: a. 1.00 && b. 0.10 && c. 0.01 && d. 0.001 && *
b. dial test indicator c. #lug gauge d. inside &icro&eter * 150. nder sine #rinci#le t"e lengt" of sine bar takes t"e #lace of: a. o##osite side b. adCacent side c. "y#otenuse * d "eig"t 151. ,n a "ydraulic dri%en s"a#er t"e &etal is re&o%ed at: a. "ig"er s#eed * b. lower s#eed c. a%erage s#eed d. none of t"e abo%e 15. ,n a s"a#er t"e cutting s#eed R&etricS is e)#ressed in: a. &eter #er &inute * b. &eter #er second c. &eter #er "our d. none of t"e abo%e 15. A&ount of auto&atic feed in s"a#er is increased by taking t"e crank #in: a. at t"e centre of crank disc b. towards t"e centre of crank disc c. away fro& t"e centre of crank disc * d. none of t"e abo%e 15'. ,n a s"a#er t"e feed R&etricS is usually e)#ressed in: a. && stroke * b. && re%olution c. &eter &inute d. none of t"e abo%e 154. 8or cutting gear teet" in a s"a#er$ t"e <<<<< tool is used: a. gooseneck b. OLO s"a#ed c. round nose d. for& * 155. "a#er tool bit s"ould not e)tend in tool "older beyond: a. 5 && b. 15&& * c. 5&& d. 50&& 156. ("e standard ratio of cuttin g to return stroke in s"a#er is: a. ' : 1 b. 1 : '
a. it can resists &ore "eat b. it can kee# t"e cutting #oint s"ar# c. cutting s#eed can be increased d. all of t"e abo%e * 15+. ("e feed in s"a#er t akes #lace at: a. t"e beginning of return stroke b. t"e beginning of cutting stroke c. t"e &iddle of return stroke d. t"e end of return stroke * 159. !"ic" of t"e following uick return &ec"anis& is &ost widely used in &ost of t"e slotters: a. w"itwort" &ec"anis& * b. slotter disc &ec"anis& c. "ydraulic &ec"anis& d. slotter link and gear &ec"anis& 160. ,n a slotter t"e cutting s#eed de#ends u#on: a. &aterials to be used b. &aterials of t"e slotter tool c. ;nis" reuired d. all of t"e abo%e * 161. ("e cla&#ing block to be used in a slotter to su##ort t"e end of t"e stra# is &ade of: a. F... b. "ig" carbon steel c. lead d. wood * 16. /i%ided table #laner "as: a. one table b. two tables * c. one "ousing d. two "ousing 16'. ("e straddle &illing is done by &eans of two: a. side &illing cutters * b. #lain &illing cutters c. face &illing cutters d. for& cutters 164. ("e for&ula to ;nd out t"e nu&ber of turn of t"e crank for si&#le inde)ing is: a. ( N 0 b. ( N 0 c. ( N 40 * d. ( N 40 165. ,n a standard wor& di%iding "ead t"e ration between t"e
c. '0 : 1 d. 40 : 1 * 166. ,n a standard di%iding "ead ' "oles in 7 "oles circles will be: a. 6⁰ b. 4⁰ c. ⁰ d. 1⁰ * 167. laner ty#e &illing &ac"ine is built u# for work of: a. lig"t duty b. "ea%y duty * c. &ediu& duty d. none of t"e abo%e 16+. ,n a straddle &illing o#eration "ow &any cutters are used to &ill t"e work: a. one b. two * c. t"ree or &ore d. any one of t"e abo%e 169. 8or gear cutting w"ic" cutter is used: a. end &ill cutter b. #lain &illing cutter c. for& relie%e cutter * d. all of t"e abo%e 170. ("e a##ro)i&ate "ardness of F end &ill cutter is: a. 45 Fb. 5 Fc. 6 F- * d. 7 F171. ("e o%er ar& of a &illing &ac"ine is used to su##ort: a. s#indle b. arbor * c. colu&n d. table 17. !"ic" of t"e following conditions &ay cause error during knurling: a. to &uc" longitudinal feed * b. cla&#ed lengt" of tool too s"ort c. surface s#eed too low d. unnecessary su##ort wit" tail stock centre 17'. 3ark t"e cutter w"ic" works si&ultaneously wit" u# cut and down cut #rocess: a. side &illing cutter
174. A #olygon wit" 9 ats is to be &illed using t"e inde)ing "ead. ("e inde)ing "ead trans&ission ratio is 40 : 1. /eter&ine t"e nu&ber of crank rotation and &ark t"e correct answer: a. 9 full rotation b. 5 full rotation$ "oles on t "e '6 "ole circle c. 4 full rotation$ 1 "oles on t"e 7 "ole circle * d. full rotation$ 16 "oles on t"e 47 "ole circle 175. !"ere t"e relie%ed cutters are reground: a. on t"e circu&stances b. relie%ed cutters are not reground c. on t"e ank * d. on t"e side faces 176. !"at "a##ens if t"e Cob is loosely ;tted between centres in cylindrical grindings: a. t"e Cob will be out of round * b. t"e Cob will be o%ersied c. t"e Cob will be t"rown out d. t"e Cob will not rotate 177. !"ic" of t"e following is used t o clean t"e gauge blocks before and after use: a. brus" b. cotton waste c. c"a&ois leat"er or lenen clot" * d. none of t"e abo%e 17+. ne of t"e cause of grinding w"eel glaing is: a. grain sie is too ;ne b. w"eel is "ard c. w"eel s#eed is too fast d. A and 2 bot" * 179. ("e grade of grinding w"eel de#ends u#on: a. grain sie b. structure c. kind of abrasi%e d. "ardness of bond * 1+0. !"ic" kind of bond is c o&&only used: a. %itri;ed * b. rubber c. s"ellac d. silicon 1+1. A grinding w"eel "as got t"e &arking O-O$ is &ade wit" t"e abrasi%e: a. alu&inu& o)ide b. silicon carbide *
1+. As #er ,ndian standard$ t"e grain sie 46 co&es under t"e grou#: a. coarse grain b. &ediu& grain * c. ;ne grain d. %ery ;ne grain 1+'. As #er ,ndian standard O3O grade w"eel co&es under t"e grou#: a. soft b. &ediu& * c. "ard d. none of t"e abo%e 1+4. ("e sy&bol con%entionally used for resinoid bond is: a. OLO b. OO c. O2O * d. OO 1+5. A grinding w"eel is &arked as 51A 46 B 5L '$ out of t "ese 5 &eans: a. kind of abrasi%e b. kind of bond c. structure * d. grain sie 1+6. 2alancing of grinding w"eel is done to: a. &ake t"e outside dia&eter concentric wit" t"e bore b. &ake t"e sides of w"eel #arallel c. eualie t"e weig"t in e%ery #ortion of t"e w"eel * d. none of t"e abo%e 1+7. Drinding uids are used to: a. reduce t"e friction between t"e w"eel face and t"e Cob b. c. #re%ent loading of w"eel d. all of t"e abo%e * 1++. (a#s are res"ar#ened by grindings: a. utes * b. t"reads c. dia&eter d. relief 1+9. ,n %ertical &illing &ac"ine t"e s#indle ,s attac"ed <<<<<< to t"e work table.
d. none of t"e abo%e 191. laner ty#e &illing &ac"ine is built u# for <<<< work of: a. lig"t duty b. "ea%y duty * c. &ediu& duty d. none of t"e abo%e 19. ,n a straddle &illing o#eration "ow &any cutters are used to &ill t"e work: a. one b. two * c. t"ree or &ore d. any of t"e abo%e 19'. 8or gear cutting w"ic" cutter is used. a. end &ill cutter b. #lain &illing cutter c. for& relief cutter* d. all of t"e abo%e 194. ,n a slotter t"e table gets <<< diHerent feeds. a. one b. two c. t"ree* d. none of t"e abo%e 195. ,f t"e clearance of a cutting edge is 5 degree$ t"e li# RwedgeS angle in 75 degree t"e rake angle will be$ a. +0 degree b. 70 degree c. 10 degree* d. none of t"e abo%e 196. ("e a##ro)i&ate "ardness of F and &ill cutter is$ a. 45 Fb. 5 Fc. 6 F-* d. 7 F197. ("e o%er ar& of a &illing &ac"ine is used to su##ort a. s#indle b. arbor c. colu&n d. table* 19+. !"ere does t"e s#eed &otion takes #lace in slotting &ac"ineG a. during t"e cutting &otion b. after eac" forward stroke
199. !"ic" of t"e following conditions &ay cause error during knurlingG a. too &uc" longitudinal feed* b. cla&#ed lengt" of tool too s"ort c. surface s#eed too low d. unnecessary su##ort wit" tool stock center 00. 3ark t"e &illing &et"od during w"ic" t"e for&ation of c"atter &arks is %ery likely. a. during down cut &illing wit" a straig"t toot" cutter b. during u# cut &illing wit" a straig"t toot" cutter* c. during face &illing wit" a straig"t toot" cutter d. w"ile using s#iral toot" cutter 01. 3ark t"e cutter w"ic" works si&ultaneously wit" t"e u# cut and down cut #rocess: a. side &illing cutter b. se&i circular &illing cutter c. s"ell end &ill* d. #lain &illing cutter 0. !"ere t"e relie%e cutter are regroundG a. on t"e circu&stances b. relie%e cutters are not reground c. on t"e ank* d. on t"e side faces 0'. !"at "a##ens if t"e Cob is loosely ;tted between centers in cylindrical grindingsG a. t"e Cob will be out on round* b. t"e Cob will be o%ersie c. t"e Cob will be t"rown out d. t"e Cob will not rotate 04. ("e internal and e)ternal ta#er on cylindrical Cobs are ground in: a. #lain cylindrical grinding &ac"ine b. uni%ersal cylindrical grinding &ac"ine* c. internal grinding &ac"ine d. centerless grinding &ac"ine 05. !"ic" of t"e following is used in cleaning t"e gage blocks before and after useG a. grain sie is too ;ne b. w"eel is "ard c. w"eel s#eed is too fast d. a and b bot"* 06. ("e grade of grinding w"eel de#ends u#on a. grain sie
07. !"ic" kind of bond is c o&&only usedG a. %itri;ed* b. rubber c. s"ellac d. silicon 0+. !"ic" bond is suitable in wet grindingG a. rubber b. silicate* c. s"ellac d. non of t"e abo%e 09. A grinding w"eel w"ic" "as got t"e &arking O-O is &ade wit" t"e abrasi%eG a. alu&inu& o)ide b. silicon carbide* c. co&bination of a and b d. corrundu& 10. As #er india standard t"e grain sie 46 co&es under t"e grou#: a. coarse grain b. &ediu& grain* c. ;ne grain d. %ery ;ne grain 11. As #er indian standard O3O grade w"eel co&es under t"e grou#: a. soft b. &ediu&* c. "ard d. non of t"e abo%e 1. ("e sy&bol resinoid bond is: a. OLO b. OO c. O2O* d. OO 1'. ("e grinding w"eel is &arked as 51A 46B 5L '$ out of t"ese 5 &eans: a. kind of abrasi%e b. kind of bond c. structure* d. grain sie 14. 2alancing of grinding w"eel is done to: a. &ake t"e outside dia&eter concentric wit" t"e bore b. &ake t"e sides of w"eel #arallel c. eualie t"e weig"t in e%ery #ortion t"e w"eel*
b. %ernier cali#er c. &icro&eter d. all of t"e abo%e* 16. ,t is an o#eration in stretc"ing or s#reading o%er t"e &etal by &eans of t"e #lane of t"e "a&&er. a. #eening* b. swaging c. bending d. u#setting 17. ("e good uality of a &easuring tool. a. s"ould be easy to "andle b. s"ould be easy to read c. s"ould be wear resistance d. all of t"e abo%e* 1+. A notc"ing de%ice$ w"ic" is used to "old or gri# work #lace$ w"ile ;ling$ c"i##ing or any ot"er benc" work or w"ile &ac"ining or drilling t"e&. a. %ise* b. cla&# c. gri# d. #ressed 19. A &ulti #ointed "and anyt"ing tool used to re&o%e &aterial fro& &etallic and non?&etallic work #laces to &atc" wit" drawing$ s"a#e and sie. a. cold c"isel b. ;le* c. "acksaw d. none of t"e abo%e 0. A side cutting tool used for accurately ;nis"ing t"e straig"t or ta#ered "oles already drilled or bored a. rea&er* b. swaging c. #eening d. ta##ing 1. A de%ise used to ;) two or &ore #arts a. Cigs b. ;)tures c. fastener* d. cla&#s . A &ac"ine ele&ent inserted #arallel to t"e a)is of t"e s"aft a. fastener b. cutter c. key*
a. fastener b. cutter* c. key d. cla&# 4. ("e #rocess of e)tracting iron in a blast is called a. sintering b. s&elting* c. casting d. &anufacturing 5. !"ic" of t"e following is a #roduct of a blast furnaceG a. wroug"t iron b. cast iron c. #ig iron* d. gray iron 6. A ty#e of iron w"ic" contains ' to '05P carbon eit"er in$ co&bined for& or in true state. a. wroug"t iron b. cast iron* c. #ig iron d. gray iron 7. !"ic" of t"e following furnace used for &anufacture of cast ironG a. cu#ola furnace b. crucible furnace c. electric furnace d. all of t"e abo%e* +. A #roduct of #addling furnace$ w"ic" contains less t"an 0.10P carbon$ is called a. wroug"t iron* b. cast iron c. #ig iron d. gray iron 9. !"ic" of t"e following is a #ro#erty of wroug"t ironG a. ductile* b. brittle c. cannot be forged d. can be easily cast into diHerent s"a#es '0. !"ic" of t"e following gi%es greater "ardness$ cutt ing toug"ness and ;ne grain structureG a. c"ro&iu&* b. nickel c. tungsten d. %anadiu&
b. "ardening c. case "ardening* d. carburiing '. ,t is a case "ardening #rocess by w"ic" t"e carbon content of t"e steel near t"e surface of a #art is increased. a. nitriding b. te&#ering c. carburiing* d. a&e "ardening ''. ,t is a case "ardening #rocess in w"ic" work #iece is "eated in a stea& of a&&onia at 500 to 550 -. a. carburiing b. nitriding* c. te&#ering d. nor&aliing '4. ("e sie by w"ic" it is referred to as a &atter of con%enience called: a. basic sie b. actual sie c. no&inal sie* d. eHecti%e sie '5. ,t is a de%ice w"ic" "old t"e Cob in #osition and guide t"e cutting tool. a. cla&# b. Cig* c. %ise d. gri# '6. ,t is a de%ice w"ic" "old t"e Cob ;r&ly. a. cla&# b. gri# c. ;)ture* d. Cig '7. ,t is t"e outer surface of face of ri& of t"e #ulley and &ade in con%e) for& to kee# t"e belt in center w"en it is in n a. crowning* b. dressing c. cree# d. sli# '+. ,t is used to tr ans&it &otion at "ig" s#eed wit"out #roducing noise. a. be%el gears b. "y#oid gears c. "elical gears*
a. wor& gear b. "erring bone gear* c. be%el gear d. s#ur gear 40. ,t is used to connect and disconnect t"e dri%ing and dri%en units. a. brake b. s#ring c. clutc"* d. cou#ling 41. ,t connect t"e s"afts wit" soft &aterial suc" as rubber$ leat"er and can%ass. a. uni%ersal cou#ling b. e)ible cou#ling* c. rigid cou#ling d. old"& cou#ling 4. !"at is used to connect t"e s"afts w"ose a)es are intersectingG a. rigid cou#ling b. old"a& cou#ling c. e)ible cou#ling d. uni%ersal cou#ling* 4'. ,t is generally used on "ig" s#eed wit" lig"t load because it "as #oint contact. a. ball bearing* b. roller bearing c. &etal bearing d. wood bearing 44. ,t is generally used on "ig" s#eed wit" "ea%y load because it "as line contact. a. #lastic bearing b. &etal bearing c. roller bearing* d. ball bearing 45. ,t is a #rocess by w"ic" t"e lengt" of a work #lace is increased by reducing its cross sectional area. a. drawing out* b. drifting c. Cu&#ing d. u#setting 46. ,t is #rocess by w"ic" t"e lengt" of a work #iece is reduced a. u#setting b. drawing out
47. ,t is a set of ge ars ;tted in diHerent #ositions on a #lain$ w"ic" are controlled by a le%er. a. gear train b. stud gear c. tu&bler gear* d. diHerential gear 4+. ,t &o%es on t"e lat"e bed wit" cutting tool according to t"e rotation of lead screw or by t"e "and tra%ersing w"eel a. a#ron b. co&#ound rest c. saddle* d. &andrel 49. ,t acts t"e carriage or co&#ound rest t"roug" t"e &ec"anis& lifted inside t"e <<<<<<<<< a. saddle b. a#ron* c. co&#ound d. &andrel 50. ,t gi%es t"e cutting tool longitudinal feed$ cross feed or angular feed. a. co&#ound rest* b. a#ron c. saddle d. carriers 51. A "olding de%ice used to "old t"e Cob #ro#erly w"en turning t"e outer surface t"roug" t"e ;nis"ed "ole called a. cla&# b. ;)ture c. Cig d. &andrel* 5. !"ic" of t"e following gi%es s"earing actionG a. slide rake b. to# rake* c. side clearance d. front clearance 5'. !"at su##orts to# rakeG a. front clearance* b. side clearance c. side rake d. front clearance 55. !"ic" of t"e following reduces t"e r ubbing actionG a. front clearance* b. side clearance
a. #roduction #rocess b. #unc"er slotter* c. tool roo& slotter d. none of t"e abo%e 56. ,t is an o#eration of &illing t"e co&#le) surfaces wit" t"e "el# of a grou# cutters &ounted on t"e sa&e arbor. a. gang &illing* b. straddle &illing c. cli&b &illing d. down &illing 57. ,t is an o#eration of &illing two o##osite sides of work #lace at a ti&e by using two side &illing cutters on t"e sa&e arbors. a. gang &illing b. straddle &illing* c. side &illing d. face &illing 5+. ,t is an attac"&ent to t"e &illing &ac"ine w"ic" "el#s to di%ide t"e Cob #eri#"ery into a nu&ber of eual di%isors. a. inde) b. di%iding "ead* c. slotting d. uni%ersal s#iral 59. ,t is an o#eration to di%ide t"e #eri#"ery of t"e Cob into t"e nu&ber of eual #arts accurately. a. di%iding "ead b. inde)ing* c. slotting d. none of t"e abo%e 60. ("e angle for&ed between t"e face of t"e tool and work surface or t"e tangent to t"e work #lace at t"e #oint of contact wit" t"e tool called a. clearance angle b. cutting angle* c. rake angle d. wedge angle 61. ("e sie of t"e tri suare is &easured fro& t"e inner edge of stock to t"e end of its <<<<<<<< a. base b. blade* c. edge d. body 6. ("e best &et"od of a%oiding accident is by obser%ing
c. safety #recaution* d. cleanliness 6'. 3allets are &ade of <<<<<<< a. "ardwood* b. soft wood c. steel d. cast iron 64. taggering of "acksaw blade teet" on bot" sides alternately is called a. #ositioning t"e teet" b. arrange&ent of teet" c. setting of teet"* d. none of t"e abo%e 65. ("e sie of a ;le is &easured fro& <<<<<< to "eel of t"e ;le. a. dge b. 2ase c. oint* d. body 66. ,t is t"e distance &easure to t"e a)is fro& a #oint on a screw t"read to t"e corres#onding #oint on t"e ne)t t"read. a. lead b. #itc"* c. linear d. c"ord 67. older is an alloy of <<<<< a. lead and inc b. lead and tin* c. lead and tungsten d. lead and anti&ony 6+. ,t is a &ac"ine tool used for cutting at surfaces by reci#rocating a single #oint tool across t"e work #iece. a. #laner b. s"earing &ac"ine c. s"a#er* d. slab cutter 69. ,t is t"e &ac"ine used for s"a#ing of &etal or #lastic by #us"ing or #ulling a broac"ing across a surface or t"roug" an centering "ole in a work #iece. a. #lanning b. s"a#ing c. broac"ing* d. &illing
a. abreast &illing* b. angular &illing c. "elical &illing d. none of t"e abo%e 71. A core drill wit" "ardened steel s"ot #allets t"at re%ol%e under t"e ri& of t"e rotating tube$ e&#loyed in rotary drilling in e%ery "ard ground. a. auto&atic drill b. double core barrel drill c. at drill d. ada&antine drill* 7. ("e #art of t"e &ac"ine for wood #lanning t"at carries t"e cutter. a. ad stock b. ad block* c. "ead stock d. "ead block 7'. ,t is a "ole re%ol%ing cutter or grinder w"eel for &ounting it on an arbor. a. "ole saw b. arbor "ole* c. star drill d. #un# "ole 74. A &ac"ine used for forcing an arbor or a &andrel into drilled or bored #arts #re#aratory to turning or grinding a. auto&atic #ress b. bladder #ress c. arc #ress d. arbor #ress* 75. A &ac"ine in w"ic" &aterial #ul%eried between two toot"ed &etal disks rotating in o##osite directions. a. attrition &ill* b. tu&bling &ill c. ball &ill d. beater &ill 76. A #ress in w"ic" &ec"anical feeding of t"e work is sync"ronied wit" t"e #ress action. a. dial #ress b. #unc" #ress c. auto&atic #ress* d. &anual #ress 77. A ;le w"ose edges are #arallel is known as
d. blunt ;le* 7+. !"ic" of t"e following is a boring &ac"ine tool used #articularly for large work #iece$ ty#es are "oriontal and %ertical a. boring &ill* b. burrstone &ill c. cage &ill d. c"ile &ill 79. A ta# wit" a c"a&fer 1?1 1 t"reads in lengt" a. center ta# b. botto& ta#* c. ta#er ta# d. #lug ta# +0. A s&all #ortable "and drill cust o&arily used by "and setters to drill "ole in breast called a. dia&ond drill b. s#iral drill c. c"u& drill d. breast drill* +1. ("e s#indle of t"e gr inding &ac"ine on w"ic" t"e w"eel is &ounted a. bus"ing b. arbor* c. bearing d. uting +. A de%ice for "olding gri nding w"eels of s#ecial s"a#e of t"e working #iece being grounded. a. "ead stock b. ;)tures c. Cigs d. c"ucks* +'. Drinding groo%es of a twist drill or ta#. a. uting* b. aring c. la##ing d. "oning +4. ("e dulling of t"e cutting #articles of a grinding w"eel resulting in a decreased rule of cutting is called a. grinding b. glaing* c. uting d. la##ing +5. ("e #rocess of increasing t"e cross?sectional area of a
c. s#reading d. drawing +6. ("e #rocess of lengt"ening a #iece of stock w"ile t"e cross?sectional area is being reduced. a. ta##ing b. "oning c. drawing* d. u#setting +7. o&eti&es used for soldering brig"t tin a. tallow b. sal a&&onia c. tinning d. rosin* ++. A %ery eHecti%e u) for soldering gal%anied iron or inc. a. soldering #aste b. &uriatic acid* c. inc c"loride d. cut acid 90. ("e groo%e #ro%iding for t"e cutting faces of t"e t"read or teet"$ c"i# #assage and lubrication. a. "eel b. land c. ute* d. t"read relief 90. ("e surface below t"e cutting edge a. face b. ank* c. nose d. side relief 91. !"ic" is t"e "ardest &aterialG a. steel b. dia&ond* c. brone d. brass 9. ,t &easures t"e slo#e of to# sur face of t"e tool to t"e side in a direction #er#endicular to t"e longitudinal a)is. a. side rake angle* b. side cutting edge angle c. side relief edge angle d. end relief angle 9'. A ty#e of bonding &aterial w"ic" is &ade of clay and water a. resinoid bond
94. ,t is used for "olding straig"t s"ank drills in t"e s#indle of t"e &ac"ine w"en drilling a. drill c"uck* b. c"uck key c. oating "older d. &agic c"uck 95. 2ack rake for F single #oint cutting tool &ac"ine free cutting brass is a. 0 deg * b. 5 deg c. 10 deg d. 15 deg 96. A rea&er is used to correct t"e a. sie and roundness of a drilled "ole* b. ;nis" and #osition of a drilled "ole c. sie and #osition of a drilled "ole d. ;nis" and de#t" of a drilled "ole 97. A o%ersie "ole is #roduced by a drill if a. li#s of drill are of uneual lengt" * b. s#eed too "ig" c. insu@cient coolant used d. cutting s#eed is too "ig" 9+. ("e &aCor factors w"ic" deter&ine t"e r#& of &illing cutter are t"e &aterials being cut and t"e <<<<<< a. nu&ber of teet" in cutter b. dia&eter of cutter c. ti&e allowed to co&#lete t"e Cob* d. de#t" of cutter 99. ("e studs used as a coolant &ac"ine s"o# consists of a. solution of detergent and waterT b. a straig"t &ineral oil c. an e&ulsion of oil and water* d. a c"e&ical solution '00. Dr inding is a. &etal fusing o#eration b. &etal #owdering o#eration c. &etal ;nis"ing o#eration* d. none of t"e abo%e '01. Drinding is done w"ere%er a. ot"er &ac"ining o#eration cannot be carried out b. a large a&ount of &aterial is to be re&o%ed c. "ig" accuracy is reuired* d. none of t"ese
c. "ea%ier &aterials d. stronger &aterials '0'. (wists drills are &ade usually considered suitable &ac"ining "oles "a%ing a lengt" less t"an a. two ti&es t"e dia&eter b. ;%e ti&es t"e dia&eter* c. ten ti&es t"e dia&eter d. twenty ti&es t"e dia&eter '04. A "ig" grade grinding w"eel is suitable for grinding$ a. "ard &aterials b. soft &aterials* c. bot" &aterials d. none of t"ese '05. ,n uick return &ec"anis& of s"a#ing &ac"ine $ t"e ra& stroke lengt" is #ro#ortional to a. slotter ar& lengt" b. crank lengt"* c. ra& lengt" d. none of t"ese '06. ("e ty#e and nu&ber of bearings to be used for s#indles of &ac"ine tool de#end on t"e a. ty#e of s#indle b. ty#e of &ac"ine tool c. load on bearing* d. none of t"e abo%e '07. itriding #rocess of surface treat&ent for steel tools is used for taking a. lig"t cuts* b. "ea%y cuts c. &ediu& cuts d. none of t"e abo%e '0+. A %ery low cutting s#eeds t"e tool wear is due to a. #lowing action* b. transfer c. &aterial d. te&#erature '09. Are &i)ture of "ard cotton seed or ra#e?seed oils and &ineral oils a. cutting oils* b. cooling oils c. "eating oils d. e&ulsion '10. !"at is t"e &aterial for "acksaw bladeG
d. any of t"e abo%e* Fow is ri%ets is &adeG a. -old #ressing * b. olling c. /rawing d. one of t"ese ,t is used to &easure ga# between two &ating #arts to set t"e Cob and &ac"ine in align&ent and to &easure clearance of #iston and cylinders in auto&obiles a. -o&#ound Dauge b. 8eeler Dauge* c. ,ns#ection Dauge d. !orks"o# Dauge ("e &o%e&ent of belt u#on t"e face of ri& or outer surface of t"e dri%er and t"e dri%en #ulleys wit"in t"e area of arc of contact. a. -o&#ound Dauge b. 8eeler gauge* c. ,ns#ection Dauge d. !orks"o# gauge ("e &o%e&ent of belt u#on t"e face of ri& or outer surface of t"e dri%er and t"e dri%en #ulleys wit"in t"e area of arc of contact. a. li# b. -ree# * c. ,nterference d. -rowning ,t is t"e #rocess by w"ic" t"e lengt" of a work #iece reduced. a. /rawing b. /rifting c. Qu&#ing * d. #setting ,t cannot be forged because it will break if "eated and beaten by "a&&er. a. Fig" s#eed steel b. (ool steel c. -arbon steel d. -ast iron * ,t is a #rocess of enlarging and s&oot"ing t"e #unc"ed "ole by &eans of ta#ered drifts of %arious sies and s"a#es. a. /rifting * b. /rawing c. Qu&#ing
b. 2rone c. Fig" s#eed steel * d. 2abbit An o#eration of enlarging t"e #re%ious drilled "ole a. /rilling b. 2oring * c. ea&ing d. 2roac"ing An o#eration to &ake s&aller "ole in e)act center for lat"e center a. 2roac"ing b. ea&ing c. -ounter boring d. -enter bearing * ("e sie of abrasi%e grains #roduced by crus"ing #rocess is called.. a. Drade b. Drit * c. Drill d. one of t"e abo%e ,t is also known as slab #eri#"eral &illing. a. 8or& &illing b. -li&b &illing c. -on%e) &illing d. lain &illing * ,n <<<<< t"e tool is released in return stroke. a. "a#er* b. laner c. lotter d. ea&er ,t is t"e #rocess of dri%ing t"e #eri#"ery of t"e Cob in deg rees. a. /irect inde)ing b. lain inde)ing c. /iHerential inde)ing d. Angular inde)ing * ,t is a &et"od of grinding cylindrical surfaces. a. -enter less grinding * b. lunge O cut grinding c. ("roug" feed grinding d. one of t"e abo%e ,t is t"e angle between t"e side cutting edge and longitudinal a)is of t"e tool. a. ide cutting edge angle *
,t is a surface ;nis"ing #rocess and is used to #roduced a lustrous surface of attracti%e a##earance. a. olis"ing b. 2u@ng * c. Ba##ing d. Dlaing A <<<<< is for&ed w"en a s"aft rotates in a bus"$ lines of t"e bore of a "ousing. a. 2all bearing b. oller bearing c. lain bearing* d. eedle bearing -- in &ac"ine s"o# &eans a. -o&#uter nu&ber control b. -o&#uter nu&er ical cont rol* c. -o&#uter network center d. -o&&unication network control ,t is t"e ti&e lost due to break downs$ waiting for tools$ &inor accident$ etc.. a. et u# ti&e b. Fandling ti&e c. 3ac"ining ti&e d. /own ti&e * efers to t"e #rocess of se#arating or re&o%ing t"e burning of co&bustible &aterial fro& t"e neig"bor"ood of t"e ;re. a. tar%ation * b. 2lanketing c. -ooling d. one of t"e abo%e !"at is necessary to #ro%ide toleranceG a. ,t ser %es t"e labor c "arges b. ,t sa%es t"e &aterial fro& westage c. ,t sa%es t"e ti&e d. All of t"e abo%e * ,t is done t"en and t"ere by adCusting or re#airing t"e fouls co&e in notice during t"e work. a. re%enti%e &aintenance b. redicti%e &aintenance c. outine &aintenance * d. -orrecti%e &aintenance A <<<<<<<< is used between t"e cutting tool and work #lace to &ini&ie t"e friction "eat. a. Bubricant
!"ic" of t"e following is ( a function of bearingsG a. (o su##ort t"e s"aft b. (o guide t"e s"aft c. (o gi%e free rotation to t"e s"aft d. (o trans&it #ower * ,t is a #rocess of cleaning t"e face of grinding w"eel by &eans of a dresser for re&o%ing t"e glaing and loading of w"eel and i&#ro%e t"e cutting action of a w"eel. a. /ressing * b. olis"ing c. (ruing d. Ba##ing ,t is a long ta#ered #unc" used for loosening straig"t #ins$ ri%ets$ and ot"er s&all #arts being disasse&bled. a. /ri%e O #in #unc" b. Fand #unc" c. /rift #unc" * d. -enter #unc" A tool used for turning nuts or bolts a. liers b. !renc" * c. Bong nose d. - ?cla&# A <<<<<<< is used to test accuracy of "oles. a. na# gage b. ing gage c. lug gage * d. /e#t" gage A <<<<<< consist of a "ardened and ground steel bar in w"ic" two "ardened and ground of t"e sa&e dia&eter are set. a. -ali#er b. Dage block c. ine bar * d. &icro&eter <<<<<<<< are "ardened de%ices wit" a ta#er s"ank on one end and a 60 degrees #oint at t"e ot"er end. a. (ailstock centre b. Bat"e centers * c. Bi%e center d. /ead center ,t is large casting located on t"e left end of t"e bed. a. (ail stock b. Fead stock
a. ig"t "and t"read b. Beft "and t"read c. ingle t"read * d. 3ulti#le "ead sed to #er&it le%er s"ift for %ertical tra%el rail. a. 2all crank b. -la&# #lates c. lunger knob* d. one of t"e abo%e ,t is &ounted in t"e to# of colu&n and is guided in #erfect align&ent by t"e &ac"ined do%etailed surface. a. %er ar& * b. #indle c. Arbor d. addle efers to circular &illing attac"&ent t"at is bolted to t"e to# of t"e table of a #lain or uni%ersal &illing &ac"ine. a. 2lotting attac"&ent otary attac"&ent* b. 3illing attac"&ent c. #iral attac"&ent a&e of &ec"anis&$ w"ic" a welding o#erator "olds during gas welding and at t"e end of w"ic" t"e gages are burre) to #erfor& t"e %arious gas welding o#eration. a. Fose b. (orc" * c. Dage d. witc" A ;ne grained salty silica rock used for s"ar#ening edged tools. a. ilstone * b. urface grinder c. ocky oil d. one of t"e abo%e A "and tool used to &easure engine cr ank web deection. a. 8eeler gage b. -o&#ound gage c. /istortion gage * d. /ial gage ,t is used to true and align &ac"ine tools$ ;)tures and works. a. /ial indicator * b. adial indicator c. /ial gage d. 8eeler gage ,t is used for cutting long #laces of &etals.
d. 2roac"ing &ac"ine ,t is used for e)ternal$ internal and relie%ing of &ill cutters and ta#s a. 3illing attac"&ent b. ("read attac"&ent c. (a#er attac"&ent d. elie%ing attac"&ent * tretc"ing or s#reading of &etal by "a&&ering a. eening * b. 8laring c. #setting d. 2ending ("e <<<<<<<< is t"e &ost co&&on of t"e standard ta#ers a. 2rown b. Qanno c. "ar#e d. 3orse * ("e ability of &etal to stretc"$ bend or twist wo breaking or cracking is called.. a. lasticity b. /uctility* c. 2rittleness d. lasticity A ;ne grained salty silica rock used for s"ar#ening edge tools a. utectoid b. Austenite c. ilstone * d. earlite 3ac"ining #ro#erties of steel can be i&#ro%ed by adding.. a. -"ro&iu& nickel b. ilicon$ alu&i nu&$ titaniu& c. ulfur $ lead$ #"os#"orus * d. Lanadiu&$ alu&inu& A ductile fracture is c"aracteried by a. A##reciable #lastic defor&ation #rior to #ro#agation of crack * b. 8rag&entation in &ore t"an two #ieces c. egligible defor&ation d. a#id rate for crack #ro#agation (ool can be "ardened by a. Feating red "ot and #lunging into water b. Feating red "ot and cooling in blast of dry c. Feating red "ot and #lunging into linseed or cotton lead
a. Farder b. 3ediu& "ard c. ofter * d. "iny ("e #ur#ose of te&#ering is to &ake &etal a. ofter b. Farder c. Bess brittle* d. 3ore brittle A scriber is &ade of a. -arbon tool steel b. -old O rolled steel c. Fot O rolled steel d. (ool steel * ,t is used in steels as an alloying ele&ent to co&bine "ardness obtained. a. Lanadiu& b. -"ro&iu& * c. (itaniu& d. 3olybdenu& ,t is a #rocess of s"earing in w"ic" s"eet or #late is cut out to a de;nite outline in a #ress. a. 2lanking * b. &bossing c. -la&#ing d. (ri&&ing ,t is t"e c"aracteristic of e)"ibiting diHerent #ro#erties w"en tested in diHerent directions a. Allotro#y b. Anisotro#y * c. ,sentro#ic d. ,sotro#ic ,t is one w"ic" s#eci&en su##orted at bot" ends as a si&#le bea& is broken by t"e i&#act strengt".. a. -"ar#y test * b. ,od test c. ockwell test d. ni%ersal test !"ic" of t"e following &etals "as t"e "ig"est s#eci;c "eat ca#acity of 100Ua. Alu&inu& * b. 2is&ut" c. -o##er
a. Asbestos b. eo#rene c. 3etallic d. A or - * ("e #rocess a##lied to iron #i#e w"ic" retards corrosion$ is called a. Dal%aniing * b. Annealing c. oldering d. (inning A scriber is &ade fro& w"at &etal.. a. -arbon steel b. -old rolled steel c. (ool steel * d. Fot rolled steel ("e best ;le to use w"en ;nis"ing s"ar# corners or slots and groo%es a. Qewelers ;le b. Enife ;le * c. 3ill ;le d. uare ;le e%er use ;le a. ("at is dirty b. !it" a tang c. !it"out a "andle * d. !it"out oiling !"ic" of t"e following infor&ation is necessary in ordering a ;le a. ie b. "a#e c. (y#e of teet" d. All of t"e abo%e * !"en ;lling a #iece of &etal in a lat"e if s"ort uick strokes are used t"e ;nis"ed #iece will #robably a. 2e out of round b. 2e #erfect c. Fa%e s&all at areas on t"e surfaces d. A and - * ("e best #rocedure w"en ;lling a #iece of &etal in lat"e is to take a. Bong fast stroke b. Bong slow stroke * c. "ort e%en stroke d. "ort fast stroke
b. 2u&#s c. -logs d. ats 8inis"ing oH a #iece of &etal wit" a real s&oot" ;nis" can be done by a. /raw ;lling * b. 8lat ;lling c. 3illing ;lling d. ide ;lling 8or ;nis"ing a #iece of work to sie t"e ;le to use is t"e.. a. -rossing ;le b. /ouble cut ;ne ;le c. 3ill ;le d. ingle cut ;ne ;le * 8or ;lling lead or babbit$ use a a. Bead oat ;le b. 3ile ;le c. Li)en ;le d. A or - * Facksaw blade wit" ' (, is best suited for cutting a. &all tubing b. -onduit c. "eet &etal under 1+ gage d. All of t"e abo%e * A coolant is usually used w"en cutting &aterial in #ower "acksaw to a. Absorb "eat friction b. re%ent t"e blade fro& o%er"eating c. re%ent t"e blade fro& loose its te&#er d. All of t"e abo%e * A "acksaw blade wit" 1+(, is best suited for cutting a. Alu&inu& b. -ast iron c. olid iron d. Any of t"e abo%e * !"en cutting a long t"in #iece of &etal a. et t"e blade in t"e fra&e wit" teet" facing toward b. (urn blade at rig"t angle to t"e fra&e * c. (urn t "e blade u#side down d. one of t"e abo%e ("e "acksaw blade s"ould #lace in t"e fra&e wit" a. ne end looser t"an t"e ot"e r end b. ("e teet" facing in any #osition
a. 2rass b. -ast iron c. ("in wall tubing * d. "ea%y All "ard "acksaw blade is best suited for a. 2rass b. -ast iron c. (ool steel d. Any of t"e abo%e * A "acksaw blade wit" 14 (, is best suited for a. -old rolled steel b. Fot rolled steel c. tructural steel d. Any of t"e abo%e * 8iles are di%ided into two general classes$ na&ely a. 8lat s"a#es and round s"a#es b. Barge and s&all c. oug" and s&oot" d. ingle cut and double cut * A "acksaw blade can be #lace in a fra&e in a. ("ree #osition b. (wo #osition c. ne #osition d. 8our #osition * A "ard "acksaw blade is one t"at a. Fas a "ard back and e)ible teet" b. Fas a e)ible back and "ard teet" c. Fas t"e ent ire teet " "a rdened* d. !ill ;t a solid fra&e Facksaw blade wit" 4 (, is best suited for cutting a. 2rass and co##er b. "eet &etal o%er 1+ gage c. (ubing d. Any of t"e abo%e * Facksaw blade are &ade of a. Fig" s#eed steel b. (ool steel c. (ungsten alloy steel d. Any of t"e abo%e * A e)ible "acksaw blade is one t"at "as a. A &o%able back b. 8le)ible ends c. nly t"e back "ardened
b. -"annel c. (ubing d. Any of t"e abo%e * !"en lat"e tool bit burns$ it &eans t"at a. #eed is too low b. #eed is too fast * c. 3aterial is too "ard d. 3aterial cannot bend ("e lat"e co&#ound is used for a. Angle cutting b. Droo%ing c. 8acing d. Any of t"e abo%e * ("e Caw of standard %ise is a. Fard * b. oft c. e&i"ard d. e&isoft !"en facing oH a #iece of &aterial in lat"e c"uck t"e bit &ust be set <<<<<<<. a. Abo%e center b. At t"e center * c. 2elow t"e center d. H center 2efore a##lying layout on a #iece$ it &ust be a. -leaned * b. -old c. Fot d. roug"ened (ool steel can be "ardened by a. Feating red "ot and #lunging into water b. Feating red "ot and cooling in blast of dry air c. Feating red "ot and #lunging line seed or cotton seed oil d. Any of t"e abo%e$ de#ending on t"e ty#e and use * A #iece of &ild steel "eld against an e&ery w"eel will gi%e oH a. 2rig"t s"iny s#ark b. Vellow s#arks c. Big"t straw O c olored s# arks* d. o s#arks Anot"er na&e of "ydroc"loric acid is a. Acetic acid b. 3uriatic acid * c. itric acid
b. 2uckle or run out of ;ne w"en too &uc" #ressure is su##lied* c. -ut too fast d. -ut on a slant A #illar ;le is used for <<<<<<<<< a. 8illing ag ainst a s"oulde r b. 8illing keyways c. 8illing slots d. Any of t"e abo%e * ("e lengt" of ;le is used for <<<<<<<< a. nd to end b. Feel to end c. oint to end d. oint to "eel * A #illar ;le "as a. ne safe edge b. ("ree safe edges c. (wo safe edges d. A and - * ("e OtangO is a #art of ;le t"at a. /oes t"e cutting b. 8its into t"e "andle * c. Fas no teet" d. ,s o##osite t"e "andle ne of t"e factors in%ol%ed in t "e c"oice of a grinding w"eel is a. ("e kind of &aterial to be ground b. ("e a&ount of stock to be re&o%ed c. ("e kind of ;nis" reuired d. All of t"e abo%e * ("e &ain diHerence between a #laner and a s"a#er is t"at a. ("e #laner "as oHset table and t"e s"a#er "as a "oriontal table b. ("e s"a#er "as a rotating table and #laner "as a "oriontal table c. ("e table of #laner "as a reci#rocating &otion #ast t"e tool "ead w"ile t"e table of t "e s"a#er is stationary and t"e tool "ead "as reci#rocating &otion * d. ne is larger t "an t "e ot "er A #iece of tool steel is "eld against an e&ery w"eel will gi%e oH <<<<<<<<<. a. !"ite s#arks wit" stars on t"e end * b. Vellow s#arks c. /ull s#arks
a. Annealing t"e cutting edge of t"e bit* b. 2urning your ;ngers c. Fardening of t"e ti# d. ("e ti# fro& c rystalling ("e tool used to c"eck internal #i#e t"reads is called a. ing gage b. lug gage * c. -enter gage d. ("read gage ("e tool used to c"eck e)ternal #i#e t"reads is called a. ing gage * b. lug gage c. itc" gage d. -enter gage ("e o#eration of truing a grinding w"eel is known as a. /ressing * b. -entering c. ounding d. iing ("e cutting angle on a drill for &ild steel s"ould be a. 5U b. 69U c. 59U * d. 79U !"ic" of t"e following is not a co&&on drill s"ankG a. 2it b. 8luted * c. traig"t d. (a#er (a#ered s"anks are used on a large drill #ress so t"at a. ("e drill can be centered &ore easily b. ("e drill can be easily forced out of t"e slee%e wit" a drift * c. ("e s"ank can be reground w"en worn d. ("e s"ank will not turn w"en cutting A tool bit for cutting A&erican ational ("read s"ould be ground wit" a <<<<. a. '0 deg.angle b. 45deg.angle c. 60 deg.angle * d. 56 deg. angle -enter drilling is t"e o#eration of a. /rilling a center in an odd O s"a#ed of &etal
!"en cutting a drill$ it will sueal due to <<<<<<< a. /r ill being grou nd #ro#erly b. /rill being too "ot c. ,nsu@cient lubrication d. Any of t"e abo%e * ("e correct cutting angle on a drill for ordinary work is a. 45 b. 59* c. 65 d. 50 ,f t"e cutting edges of t"e drill are cut of diHerent angles <<<<<<<< a. ("e drill will not cut b. ("e "ole will be larger t"an t"e drill * c. ("e "ole will be s&aller t"an t"e drill d. one of t"e abo%e ,f t"e drill s#eed is too great$ it will a. -ut faster b. Boose its te&#er * c. -ut slower d. ot cut oda added to water is used for cooling instead of #lain water because a. ,t reduce s t "e "e at generated b. ,t i&#ro%es t"e ;nis" c. ,t o%erco&es rusting d. All of t"e abo%e * ,f t"e angle of t"e dr ill is less t"an 59 deg a. ("e drill will &ake larger "ole b. ("e drill will &ake s&aller "ole c. ("e "ole will take longer to drill and &ore #ower is reuired to dri%e t"e drill * d. ("e drill will not center #ro#erly ("e na&e of s"ank use to drill is a. tanley b. tarret c. 3iller d. 3orse * ("e na&e of s"ank use to drill is a. tanley b. tarret c. 3orse * d. 3iller
c. i#e stock * d. i#e t"read ("e instru&ent used to res"a#ed a grinding w"eel t"at is grounded or cut of rounds is called a. !"eel cutter b. !"eel aligner c. !"eel e&ery d. !"eel /resser * ("e instru&ent used to re&o%ed old #acking glands and stu@ng bo)es a. acking tools * b. acking bills c. Dland bo) clearance d. acking stuH 2efore drilling a "ole in a #i#e of &etal it s"ould be a. -enter #unc"ed * b. 3arked wit" c"alk c. rotracted d. scribed !"en &easuring a drill for sie$ &easure across t"e a. "ank b. 8lute c. Bi# d. 3argin * ("e sie of drill is sta&#ed on <<<<<< a. 8lute b. "ank * c. 3argin d. oint ("e tool used for cleaning ;les is called a. 8ile cleaner b. 8ile card * c. 8ile oilstone d. scra#er 2ack rake angle for "ig" s#eed steel single #oint cutting tool to &ac"ine free cutting brass is a. 0 deg * b. 5 deg c. '0 deg d. 10 deg A rea&er is used to correct t"e a. ie and roundness of a drilled "ole * b. ie and #osition of drilled "ole
!"ic" of t"e following is not a co&&on ter& relating to t"e classi;cation of ;tsG a. (unking b. nug c. 2ound * d. 3ediu& force ;t An o%ersied "ole is #roduced by a drill if a. Bi#s of a drill are of uneual lengt" * b. 8eed is too "ig" c. ,nsu@cie nt coolan t is used d. one of t"e abo%e ("e studs are used as coolant in general &ac"ine s"o# consists of a. olution of detergent and water b. An e&ulsion of oil and water * c. -"e&ical solution d. A straig"t &ineral oil (wo &aCor factors w"ic" deter&ined t"e r#& of &illing cutter are t"e &aterial being cut and <<<<< a. u&ber of teet" in cutter b. (i&e allowed to ;nis" t"e Cob* c. /ia&eter less grinder d. /e#t" lectron bea& &ac"ining #rocess is uite suitable for &aterial "a%ing a. Fig" &elting #oint and "ig" t"er&al conducti%ity b. Fig" &elting #oint and low t"er&al conducti%ity * c. Bow &elting #oint d. Bow t"er&al c onduct i%ity Drinding is w"at ty#e of o#erationG a. 3etal ;nis" o#eration * b. 3etal fusing o#eration c. 3etal #owdering o#eration d. one of t"e abo%e Drinding is done w"ere%er a. t "er &ac "ining o#erations b. A large a&ount of &aterials to be re&o%ed * c. Fig " ac curac y is re uired * d. Any of t"e abo%e Baser bea& &ac"ining #rocess is used to &ac"ine <<<<<<<<. a. ("icker &aterial b. ("inner &aterial * c. Fea%y &aterials
a. (wo ti&es its dia&eter b. 8i%e ti&es its dia&eter* c. 8our ti&es its dia&eter d. ig"t ti&es its dia&eter A "ard grade grinding w"eel is suitable for a. Fard &aterials b. oft &aterial * c. e&i "ard &aterials d. Fea%y load &aterials ,n uick return &ec"anis& of s"a#ing &ac"ine $ t"e ra& stroke lengt" is #ro#ortional to a. -rank lengt" * b. -a& lengt" c. a& lengt" d. one of t"e abo%e ("e usual ratio of forward and return stroke , uick return &ec"anis& of s"a#ing &ac"ine is a. :1 b. 4:' c. ': * d. 5: ("e ty#e and nu&ber of bearing to be used for s#indles of &ac"ine de#ends on a. (y#e of s#indle b. (y#e of cutter c. Boad on bearing * d. one of t"e abo%e ("e suare "ead of co&bination set is used for &arking or c"ecking t"e engine is a. 90 deg only b. 45 degree c. 90 and 45 degree * d. Any angle between 0 ?1+0 8or general work$ t"e cutting angle of a cold ;st c"isel is ground at angle of a. 50 deg b. 60 deg * c. +0 deg d. 70 deg Angle #late is &ade of a. -losed grain cast iron * b. -ast steel c. Fig" s#eed steel
b. ("e s#ace is not su@cient to #lay t"e new blade in t"e old cut * c. ("e bla de "a %e %ery s"ar # teet " d. one of t"e abo%e !"ic" #art of t"e ;le is not "ardened a. (ang * b. Feel c. oint d. Fandle Denerally s#iral uted rea&er "as s#irals of a. ig"t "and b. Beft "and * c. traig"t d. Any of t"e abo%e ,n w"ic" screw t"read t"e side N widt" of s#ace ?0.5# a. Enuckle b. 2uttress c. uare * d. -ircle A stud is w"ic" a. Fa%e t"reads on one end b. euire a nut c. ,nserted in a #lane "ole d. one of t"e abo%e * O1+?+O stainless steel &eans a. 1+P tu ngs ten and +P c "ro&iu& b. 1+P nickel and +P c "ro&iu& * c. 1+P c"ro&iu& and +P nickel d. 1+P cobalt and + P cad&iu& !"ic" is t"e lig"test &etal a. Bead b. D.,. steel c. Alu&inu& * d. -ast iron Fardened steel #arts "a%e a. 8ine grains * b. -oarse grains c. o grains d. 3ediu& grains -oncentricity of an outside dia&eter can be c"ecked by a. Lernier cali#er b. utside &icro&eter c. /ial test indicator *
b. lug gauge c. ("read #lug gauge * d. one of t"e abo%e ,n case of li&it of #lug gauge$ w"ic" sie will not enter into t"e "ole a. ODO sie b. Oot DO sie* c. OA and 2O bot" d. one of t"e abo%e Bi&it gauge is &ade to t"e <<<<<< sies of t"e work t o be &easured a. Actual and no&inal b. o&inal and u##er li&it c. 3a)i&u& and &ini&u& * d. o&inal and u##er li&it ODO sie li&its is: a. ##er li&it of s"aft b. Bower li&it of "ole c. 2ot" A and 2* d. eit"er A or 2 Ba##ing is done a. (o ;nis" t"e Cob in ;ne degree b. (o control t"e sie c. (o ge t "ig" uality sur fac e d. All of t"e abo%e * ,n w"ic" &et"od a bore is ;nis"ed to a %ery closed tolerance a. Ba##ing b. a##ing c. Foning * d. grinding Qig bus"ing are generally &ade of a. (ool steel * b. -arbon steel c. -ast iron d. Fig" s#eed steel 8i)ture cla&#s are generally &ade of a. (ool steel b. -ase "arde ned &ild st ee l * c. Fig" s#eed steel d. -arbon steel !"en an e)ternal gear is &es"ed wit" t"e internal gear $ t"e gears will rotate in a. a&e direction *
sual ratio of soluble oil and water used in coolant is a. 0:1 b. 1:0 * c. 10:1 d. 1:10 in internal cylindrical grinding $ t"e grinding w"eel and work rotate in a. a&e direction b. ##osite direction * c. eit"er A or 2 d. 2ot" A and 2 8or grinding &aterials "a%ing low tensile strengt" w"ic" abrasi%e is used a. ilicon carbide* b. Alu&inu& o)ide c. &ery d. corrunduin !"ic" center is used for su##orting o#en end of #i#es$ s"ells$ etc.$ w"ile turning or t"read cutting a. 2all center b. i#e center * c. Falf center d. /ead center ,ncluded angle of dead center is a. 60 deg* b. 45 deg c. 65 deg d. 90 deg Angle of 2.A screw t"read is a. 90 b. 47.5 * c. 60 d. 45 3ain alloying ele&ent of F is a. -"ro&iu& b. -ast iron c. (ungsten * d. -arbon steel 8or accurate &easure&ent of bores$ t"e best instru&ent is a. Lernier cali#er b. lug gage c. /ial indicator d. ,nside &icro&eter *
c. A%erage s#eed d. one of t"e abo%e ,n s"a#er &ac"ine$ t"e cutting s#eed R&etricS is e)#ressed as a. &s b. &&in * c. & "r d. Any of t"e abo%e A&ount of auto&atic load in s"a#er is inc reased by taking t"e crank #in a. At center of crank disc b. Away fro& t"e center * c. (owards t"e center d. At t"e center ,n a s"a#er$ t"e feed R&etricS is usually e)#ressed as a. 3&stoke * b. &stoke c. 3&re%olution d. one of t"e abo%e 8or cutting gear teet" in s"a#er $ t"e <<<<< tool is used. a. OLO block b. 8or& tool * c. Dooseneck d. ound nose ("e standard ratio of cutting tool in return stroke in s"a#e is a. ':1 b. 1:' c. ': * d. 4: ("e feed in t"e s"a#er takes #lace at a. ("e beginning of return stroke b. ("e &iddle of ret urn st oke c. ("e end of return stroke * d. At t"e cutting stroke !"ic" of t"e following uick return &ec"anis& is &ost widely used in &ost slotters a. lotter link and gear &ec"anis& b. !"itwort" &ec"anis& * c. lotter disc &ec"anis& d. Fydraulic &ec"anis&
,f t"e clearance angle is &ore t"an t"e reuired on slotter tool$ t"en su##ort cutting tool will be a. Dreat b. Bess * c. 3ediu& d. one of t"e abo%e ("e cla&#ing block is used to su##ort t"e end of t"e stra# is &ade of a. !ood * b. teel c. F d. -ast iron /i%ide table #laner "as: a. ne table b. (wo tables * c. ne "ousing d. (wo "ousing A #laner w"ic" "as a cutting tool in or bot" stroke in is a. #en side #laner b. /ouble "ousing #laner c. ni%ersal #laner * d. it #laner ("e straddle &illing is done by &eans of two a. ide &illing cutters * b. lain &illing cutters c. 8ace &illing cutters d. 8or& cutters ("e for&ula to ;nd out t"e nu&ber of turn of t"e crank for si&#le inde)ing is: aS ( N 0 bS ( N 40 cS ( N40 * dS ( N 0 ,n standard di%iding "ead t"e ratio be tween wor& w"eel and t"e wor& a. 40:1* b. 0:1 c. 1:40 d. 10:1
