YOU TUBE CHANNEL-SPECIAL TECHNO
1
WEBSITE- WWW.SPECIALTECHNO.COM
Which type of washer is used for locking the nut by bending the washer against the side of the nut? 1. Tab washer
2.
Locking plates
3. Spring washer
4.
Locking washer with lug
uV ds fdukjs fdukjs ij okW’kj dks eks eksM+dj dj ykW sd s djus ds ds fy;s fdl izdkj ds okW okW’kj dk iz;xks fd;k tkrk gS \
2
1- VSc okW’kj ’kj
2-
ykWfdax IysVl Vl
2- z fLiax okW’kj
4-
yx ds lkFk lkFk ykW afdax okW’kj
The tap used to cut the thread in a blind hole is _________.
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
acsp okbl dks vR;f/kd vR;f/kd dlus ij] fuEu aes ls ls dkSu lk Hkkx {kfrxzLr gks tk,xk\ 1- gSMy M a y
2- fLiaMy My
2- 3-ckWMh
4-fQDLM tkW
5. In the BIS system of limits, the grade of tolerances are represented by numbersymbols and there are ______. 1)18 grades of tolerances
2)16 grades of tolerances
3)14 grades of tolerances
4)20 grades of tolerances
fyfeV~l dh BIS iz.kkyh aes] lgkzrk dh xzM s dks va vad la rks ds d a s }kjk }kjk fu:fir fd;k tkrk gS vkSj &&&&&&&&gS aA 1½ 18 lgkz rk s xzM
2½ 16 lgkzrk s xzM
YOU TUBE CHANNEL-SPECIAL TECHNO
3)Spindle rotation clockwise
WEBSITE- WWW.SPECIALTECHNO.COM
4)
Spindle rotation counter clockwise
D’ku dk mi;ksx &&&&&&&&&&&&&&&&&&ds fy, fy, fd;k tkrk gSA G 02 QaD’ku 1½ o`Rrh; xfr nf{k.kkorZ
2½ o`Rrh; xfr okekorZ
3½ rdqZ vkorZu nf{k.kkorZ
4½ rdqZ vkorZu okekorZ
9. Thetype of drill used in drilling hard material with high cutting speed is _________. 1) High carbon steel
2)
HSS
3) Carbide tipped drills
4) HCS
izcscs/kuh /kuh ds iz izdkj dks mPp dVkbZ xfr ds lkFk dBks j inkFkZ dks fNfnz fNfnz r djus es aes iz iz;qDr fd;k tkrk gSA 1½ mPp dkcZu bLikr
2½ ,p,l,l
3½ dkckZbM bM vxz jaftr ftr fMªy
4½ ,plh,l
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
12. Web chisels are used for separating metals after_____________. 1)Chain drilling
2)
Chipping metal
3)Finish cutting
4)
None of the above
&&&&&&&&&&& ds i’pkr i’pkr /kkrq i`FkDdj.k ds fy, osc Nsuh uh iz;qDr dh tkrh gS 1½J`[kyk a[kyk izo/ku /s ku 3½fQfu’k dVkbZ
2½ /kkrq Nhyu 4½ mijksDr Dr aes ls ls dksbZ ugha ugha
13. Screw threads of different forms are available for various uses. For what is the the trapezoidal thread used? 1) For coupling railways wagon.
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
15. G-codes are also called as_____.
1) Preparatory functional codes
2) Miscellaneous functional codes
3) Data functional codes
None of the above 4) None
G-dksM dks &&&&&&&&&&&Hkh dgk tkr gSA gSA
1½fiz jVjh is QaD’ku D’ku dksM 3½MsVk Vk a QaD’ku D’ku dksM
2½felysfu;l fu;l QaDlu Dlu dksM 4½ bues a ls ls dksbZ ughs a
16. An irregular shaped work piece is turned on a lathe. Which one of the following work holding accessories is used? 1) Three-Jaw chuck 2)
Driving plate
2)Two-Jaw chuck 4) Face plate
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
19. Which type of scraper is used for scraping small diameter holes and deburring the edges of holes? 1) Half round scraper
2)
Flat scraper
3) Bull nose scraper
3)
Three square scraper
O;kl okys gksy ¼fNnz½ rFkk fNnz ak s ds mHkkjks a dh LdSfiax ds fy, fdl izdkj ds LdSij dk mi;ksx fd;k tkrk agS\ 1½ gkWQ jkmaM LdSzij
2½
¶ySV Ldz Sij
3½ cqy ukst LdSij
4½
Fkzh LdokW;j LdSzij
20. The tool maker’s buttons are made of___________.
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1½ ghjk
2½
,Y;we hfu;e vkWDlkbM
3½ jkW cks u dkckZbM
4½
flfydu dkckZbM
23. Lead is the metal used for balancing weight during lathe face plate work.The reason for this is that lead is ____________. 1)
most ductile
2) toughest
2)
heaviest
4)
most elastic
ysFk l Qs IysV odZ ds nkSjku Hkkj ds la rqyu ds fy, ysM /kkrq dk mi;ksx fd;k tkrk gSA bldk dkj.k ;g gS fd ysM /kkrq &&&&&&&&& rh gks gSA
1½ lokZf/kd yphyh 3½ lokZf/kd n`<+
2½ 4½
lokZf/kd Hkkjh lokZf/kd izR;kLFk
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
4) None of the above
gkbiks ;wVs DVkWbM LVhy og gS] ftles a &&&&& ik;k tkrk gSA 1½ 0.8% rd dkcZu 2½ oy ds 0.8% dkcZu 3½ 0.8% ls 2.1% rd dkcZu 4½ mijksDr aes ls dksbZ ugh 27. The surface cutting speed in cylindrical grinding varies from______________. 1) 10 to 20 m/min
2)
5 to 10 m/min
3) 20 to 30 m/min
4)
40 to 60 m/min
csyukdkj filkbZ aes i`"V dVkbZ xfr&&&&& fopj.k djrh gSA
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
gS\ 1½ 1 ls 4
2)
5 ls 8
3) 12 ls 16
4)
8 ls 12
1) Dog clutch
2)
Cone clutch
3) Single clutch
3)
Centrifugal clutch
1½ MkWx Dyp
2½
'kadq Dyp
3½ ,dy Dyp
4½
vids a h; nz Dyp
30. Which one of the following clutch provides a positive drive?
fuEufyf[kr aes ls dkSu&lk Dyp ikWftfVo Mªkbo iznku djrk gS\
YOU TUBE CHANNEL-SPECIAL TECHNO
3½ dks jaMe
WEBSITE- WWW.SPECIALTECHNO.COM
4½
flfydku dkckZbM
34. Which among the following indicates the Ra value of surface roughness grade N8? 1) 6.3 μm
2)
1.6 μm
3) 3.2 μm
4)
12.5 μm
fuEu aes ls dkSu lk fodYi ljQs l jQus l s xzM N8 ds Ra eku dk la rd ds gS\ 1) 6.3 μm
2)
1.6 μm
3) 3.2 μm
4)
12.5 μm
35. The instrument which has all the features of try square, bevel protractor, rule and scriber is ______________. 1) Mitre
2)
L
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1½ oy ds fMªfyx dk;ks Z ds fy, 2½ fMªfyx ds nkSjku tkWc dks tdM+us ds fy, 3½ fMªfyx] jhfeax] Vsfiax rFkk vU; lacaf/kr dk;ks Z ds fy, 4½ fMªy dks mfpr dks.k ij uqdhyk djus ds fy, 38. The included angle of the counter sinking portion of a center drill of type B used for protecting the center holes is _________. 1) 75°
2)
90°
3) 100°
4)
120 °
Vkbi B d ls aVj fMªy ds dkmaVj flafdax iks’kZu ds rxZ va r dks.k] ftls alsVj gksYl dh lqj{kk ds fy, bLrseky fd;k tkrk gS] rk gks gS&
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
41. Machined ‘T’ bolt are to be protected against corrosion. The most suitable surface treatment for this is__________. 1) Blackening
2)
Polishing
2) Painting
4)
Enameling
e'khUM ‘T’ cksYV dks la{kkj.k ls lqjf{kr j[kuk t:jh gSA blds fy, lokZf/kd mi;qDr lrg mipkj gS&&&&& 1½ d`".k dj.k
2½
ikWfy’k djuk
3½ aisV djuk
4½
buseyu djuk
42. The tensile strength of metal is its ability to resist fracture when subjected to tensile loads, the
tensile strength of metals are expressed in__________.
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1½
vkbMsfVdy ¶ySV
2½ vkbMsfVdy Ldko;j
3½
vkbMsfVdy flfyafMªdy
4½ vkbMsfVdy fLVªIl
45.Segmental chips are formed during machining of______________ . 1)
Mild steel
3) High speed steel
2)
Cast iron
4)
High carbon steel
&&&&& ds e’khuu ds nkSjku [kaM;qDr fpi fufeZr rh gks gSA 1½ e`nq bLikr
2½
3½ mPp xfr bLikr
4½ mPp dkcZu bLikr
46. What will happen if the spindle threads are worn out in a gate valve?
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1) 4.50mm
2)
4 mm
3) 4.25 mm
4)
3.14 mm
1) 4.50mm
2)
4 mm
3) 4.25 mm
4)
3.14 mm
1) Flat chisel
2)
Cross cut chisel
3) Half round nose chisel
4)
Round chisel
2feeh ds jSd VwFk dh eksVkbZ &&&&&&&& gksxhA
49. Which one is NOT the common type of cold chisel?
bues a sls dkSu lk fodYi dksYM phty dk ,d izdkj ugha gS\ 1½ ¶ySV phty 3½ gkWQ jkmaM uks
phty
2½
dzkWl dV phty
4½
jkmaM phty
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1½ ,sizu
2½
dz l kW jsy
3½ DySij ckWDl
4½
lSMy
52. The part of the Vernier bevel protractor which is normally used as reference base for measuring angle is_______. 1) Blade
2)
Stock
3) Disc
4)
Main scale
1½ CysM
2½
LVkWd
3½ fMLd
4½
esu Ldsy
53. One of the taper turning methods is by offsetting the tail stock. Which part of the tail stock is
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
Vsy LVkWd cSjy aes ,d rfjd vka Vsij rk gks gSAcSjy j cks es fuEu es ls dkSu lk ekud Vsij iznku fd;k tkrk gS\ 1½ ehfVªd Vsij
2½
lZ eks Vsij
3½ tuks Z Vsij
4½
jk Hkw ,oa rst Vsij
56. For cutting multistart thread on a lathe, which among the following is used? 1) Chasers
2)
Die Head
3) Followers rest
4)
Split die
[kjkn ij eYVh&LVkVZ FkzM s dh dfVax ds fy, fuEu aes ls fdldk mi;ksx fd;k tkrk gS\ 1½ pstlZ 3½ QkWy olZ ks LV js
2½ 4½
MkbZ gsM fLIyV MkbZ
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
59. Which one of the joint fails first due to increase in temperature? 1) Soft soldering 3) Welding
2)
Brazing 4)
Riveting
Rkieku aes o`f) gksus ij fuEu aes ls dkSu lk tksM+ lcls igys VwVs xk\ 1½ lkW¶V lksYMfja 3½ osfYMax
2½ 4½
sczftax fjosfVax
60. If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures, the pressure type of locator used is______________. 1) Cylindrical locator
2)
Conical locator
3)‘V’ locator
4)
Diamond pin locator
;fn fNnz dk O;kl fopkj.kh; ifjorZu ds v/khu gS] rc ftx j vkS fQD’oj dh LFkkiu ds
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
og Ldz w FkzMs tks ikoj ikjsf"kr djrk gS rFkk bldk i`"B nh?kZ ,fDll ls yxHkx ledks.k ij rk gks gS&&&& 1½ fOgV oFkZ 3½ Ldko;j
2½ 4½
udy jkmaM
63. The depth of cut in drilling is __________ the drill diameter 1) Equal to
2)
One-Fourth
3) Double
4)
One- Half
izo/s kuh aes dkV dh xgjkbZ izo/kuh s ds O;kl ds &&&&&& gSA 1½ leku
2½
,d &pkSFkkbZ
3½ nksxquh
4½
vk/kh
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
66. An ideal machining allowance for finishing boring will be_____. 1) 1 mm to 2 mm
2)
0.5 mm to 1 mm
3) 0.25 mm to 0.50 mm
4)
0.10 mm to 0.25 mm
os/ku ¼cksfjax½ dks jk iw djus ds fy, vkn’kZ e’khuu NwV ;g gksxh&&&&A 1) 1 mm to 2 mm
2)
0.5 mm to 1 mm
3) 0.25 mm to 0.50 mm
4)
0.10 mm to 0.25 mm
67. Which one of the following comes under thermo setting plastic category? 1) Epoxy
2)
Cellulosic
3) Nylon
4)
Polythene
fuEu aes ls D;k Fkeks Z lsfVax IykfLVd dSVx s jh es vkrk gS\
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
70. In the heat treatment process annealing is done to _______________. 1) toughen the steel
2)
soften the steel
3) harden the steel
4)
induce brittleness
ghV VªhVes aV¼m"e mipkj½ izfdz;k aes ,uhfyax ¼/kkrq ij ikuh p<+ kuk½ &&&& ds fy, dh tkrh gSA 1½ bLikr dks n`f<+ r d` djus 2½ bLikr dks dksey cukus 3½ bLikr dks dBks j cukus 4½ HkqjHkqjkiu mRiUu djus 71.The job supporting device that is bolted to the back end of the carriage and moved along
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
73. Which angle makes the rake angle in a twist drill? 1) Chisel angle
2)
Point angle
3) Helix angle
4) Lip clearance angle
dkSu lk ,axy ¼dks.k½ f}LV fMªy aes d js ,axy cukrk gS\ 1½
phty ,axy
2½
IokbaV ,axy
3½
gsfyDl ,axy
4½
fyi fDy;js l ,axy a
74. The taper ratio of the brown and sharp taper BS 1 to BS 18 except No. 10 is _________. 1) 1 inch per 15 inch 2) 1 inch per 18 inch 3) 1 inch per 20 inch
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1) Upper deviation
2)
Lower deviation
3) Tolerance
4)
Actual size
Lkbt dh vf/kdre lhek rFkk lkbt dh U;wu re lhek ds chp ds va rj dks D;k dgk tkrk gS\ 1½ Åijh fopyu
2½
fupyh fopyu
3½ lgkzrk
4½
okLrfod lkbt
77.The least count of a vernier bevel protractor is _________. 1) 1 minute
5)
5 minute
3) 1 degree
4)
5 degree
ofuZ;j oy cs iz S kVs ªDVj dk vYirekad &&&&& rk gks gSA 1½ 1 fefuV
2½
5 fefuV
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
2) Knuckle thread
3)
Acme thread
fuEu aes ls fdl w Ldz FkzMs QkWeZ aes sFkzM ds ik’oZ ds e/; 290 dk vafrfo"V dks.k rk gks gS\ 1½
LdokW;j FkzMs
2½ cVlZ s FkzM
3½
udy s FkzM
4½ ,Des FkzMs
81. Function of a chip breaker in a tool is to_______. 1) break the chips in to small pieces 2) have continuous chips from long cut 3) have crushed chips 4) form continuous chips from short cut
fdlh midj.k ds fpi zcsdj dk dke &&&&&&&gSA fpi dks NksVs&NksVs
ks es rks
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
84. The least count of a vernier height guage is ________. 1) 0.01mm
2)
0.02mm
3) 0.10mm
4)
0.20mm
ofuZ;j ÅWpkbZ xst dk vYirekad gS &&&&&& 1) 0.01 feeh
2)
0.02 feeh
3) 0.10 feeh
4)
0.20 feeh
1) General Work
2)
Structural work
3) Heavy work
4)
Light work
85. For what is pan head rivet used?
iSu gsM fjosV fdl pht ds fy, iz;qDr rk gks gS\
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
4½ jSf[kd xfr dks dks.kh; xfr aes 88. The error caused due to particles of dust on the measuring face of instrument is called ______________. 1) Elastic deformation error
2)
Parallax error
2) Contact error
4)
Random error
+ = ;a ds ekiu okys i`"B ij teh /kwy ds d.kks a ds dkj.k gksus okyh =qVh&&&&&&dgykrh gSA 1½ bykfLVd fMQkW a Ze’s ku =q + fV
2½
iSjy s SDl =qfV
3½ dkaVSDV ¼lEidZ =qfV½
4½
;kn`fPNd =qfV
89. How does a hand reamer differ from a machine reamer?
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
3½ eqMu+ s ds nkSjku dVkbZ midj.k ij Hkkj dks de djuk 4½ crk;h xbZ dVkbZ xfr ls mPp dVkbZ xfr ij eqMus+ ds l{ke cukukA 91. The purpose of lapping is to _______________. 1) remove excess material 2) remove taper 3) produce high surface finish and accuracy 4) improve the quality of the components
ySfiax dk mn~n’s ; gksrk gS&&&&&&&&& 1½ vfrfjDr lkexzh dks gVkuk 2½ Vsij dks gVkuk
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
3) Slow spindle speed & fine feed 4) High spindle speed & fine feed
,d fefyax e’khu aes ,d fNnz dks e’khu ls djus ds fy, jnq [kq js vkSj fpdus os/ku izpkyu fd, tkrs gSA [kqjnq iz js pkyu ds fy,] p;u dhft,&&&& 1½ mPp /kqjh xfr ,oa LFkwy Hkj.k 2½ ean /kqjh xfr ,oa LFkwy Hkj.k 3½ ean /kqjh xfr ,oa LFkwy Hkj.k 4½ mPp /kqjh xfr ,oa vPNk Hkj.k 94. Which one of the following types of soldering iron is used for straight soldering points? 1) Hatching type soldering iron
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
_________. 96. The frictional guide ways are of
1) V- type
2)
Dovetail type
3) Flat type
3)
All of the above
?k"kZ.k xkbM&os &&&&& gSA 1½ oh &izdkj
2½
oVs Mks y izdkj
3½ ¶ySV izdkj
4½
mijksDr lHkh
97. Which one of the following types of soldering iron is used for straight soldering points? 1) Chemically clean the joint 2) Evaporate before melting the filler metal
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
dfVax midj.kks a dh xfr ds dkj.k i`"B ij fufeZ r Lo:i &&&&& dgykrk gSA 1½ rjaxe;rk
2½
[kqjnqjkiu
3½ i`"B cukoV
4½
ys
100.The flank angle and the form of fine screw thread can be checked by using a/an ________. 1) Plug guage
2)
Thread micrometer
3) Optical projector
4)
Swap gauge
Qkbu z Ldw FkzM s dk ik’oZ dks.k rFkk Lo:Ik dh tkap &&&&& ds mi;ksx }kjk dh tk ldrh gSA 1½ Iyx xst
2½
s FkzM ekbdzkes hVj
3½ vkWfIVdy izkt s sDVj
4½
LoSi xst
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1)Rods
2)Plates
3)Thin Sheets
4)Wires
vk?kkro/kZuh; /kkrq dk og xq.k gS tks &&&&&& ds fuekZ.k aes lgk;d rk gks gSA 1½ jkWM 3½ iryh 'khVks a
2½ IysV 4½ rkj
104.The part of a vernier bevel protractor, which is normally used as a reference base for measuring angle is the ___________. 1) Blade
2)
Stock
3) Disc
4)
Main scale
ofuZoj oy cs izkVs SªDVj dk og Hkkx] ftldk mi;ksx lkekU; :Ik ls dks.k ds ekiu ds lanHkZ vk/kkj
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1½dBks jrk rFkk n` rk <+ dks fu;af=r djuk 2½ HkqjHkqjkiu de djuk 3½ vka rfjd ruko rFkk a,sBu ls eqDr djuk 4½ mijksDr lHkh 107.As the cutting speed increases _______________________. 1) more heat is transmitted to the workpiece and less heat is transmitted to the tool 2) more heat is carried away by the chip and less heat is transmitted to the tool 3) more heat is transmitted to both the chip and the tool 4) more heat is transmitted to both the workpiece and the tool
tSl& s ls tS dfVax LihM aes o`f) rh gks gS&&&&&
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
okafNr xq.k/keZ kIr iz djus rq gs LVhy dh jpuk la aes cnyko djus ds fy, dh tkus okyh rkiu rFkk 'khryu dh izfdz;k D;k dgykrh gS\ 1½ n`
2½ Å"eh; mipkj
3½ izlkekU;dj.k
4½ VsEifjax
110. The roughness grade numbers N1 to N12 can be divided into 5 groups and are represented by symbol are still in use. Which one of the following symbol indicates the fine surface? 1) ~
2)
▼▼▼
3) ▼▼▼▼
4)
▼▼
jQus l s xzM uaclZ N1 ls N12 dks 5 lew a gks aes foHkkftr fd;k tk ldrk gS rFkk mi;ksx aes vkus
YOU TUBE CHANNEL-SPECIAL TECHNO
3) 60°
WEBSITE- WWW.SPECIALTECHNO.COM
4)
90°
113. For cleaning the measuring faces of slip gauges, the liquid used is __________. 1) Carbon tetrachloride
2) Kerosene
3) Carbon tetra chlorophyll
4) Soluble oil
fLyi xst ds estfjax ls Qs t dh lQkbZ ds fy, &&&&& rjy dk mi;ksx fd;k tkrk gSA 1½ dkcZu VsVªkDyks jkbM
2½
jks ds flu
3½ dkcZu VsVªkDyks jksfQy
4½
foys; rsy
114. The sensitiveness of the spirit level depends upon _____. 1) size of the bubble
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
og vkdkj] ftlds vk/kkj ij foeh; fopyu fn, tkrs gS] a dgykrk gS& 1½ okLrfod vkdkj
2½
ewy vkdkj
3½ vkdkj dh U;wu re lhek
4½
vkdkj dh vf/kdre lhek
117. Any number of equal divisions can be obtained on milling machine by_________. 1) Compound indexing
2)
Simple indexing
3) Differential indexing
4)
Direct indexing
fefyax e’khu Ikj leku foHkktu dh dksbZ Hkh la[;k &&& }kjk kIr iz dh tk ldrh gSA 1½ fefJr vuqdze.k
2½
ljy vuqdze.k
3½ foHksnd vuqdze.k
4½
izR;{k vuqdze.k
YOU TUBE CHANNEL-SPECIAL TECHNO
1½ 3½ 121.
IykfLVd
WEBSITE- WWW.SPECIALTECHNO.COM
2½
4½
dkWls dBks j bLikr
For measuring angles using the sine bar, the angle formed according to the ratio between the height of the slip gauges and the _________. 1)
Height of sine bar
2)
Number of slip gauge
3)
Length of sine bar
4)
Width of sine bar
Lkbu ckj ds mi;ksx }kjk dks. akks ds ekiu ds fy,] fLyi xstks dh ÅapkbZ rFkk &&& ds e/; ds vuqikr ds vuqlkj fufeZ r dks.k rk gks gSA 1½
lkbu ckj dh ÅapkbZ
3½
lkbu ckj dh yackbZ
2½ 4½
fLyi xst dh la[;k lkbu ckj dh pkS kbZ M+
YOU TUBE CHANNEL-SPECIAL TECHNO
124.
WEBSITE- WWW.SPECIALTECHNO.COM
Which one of the marking media takes longer time to dry? 1) Chalk powder
2) Prussian blue
3) Copper sulphate
4) Cellulose lacquer
fuEu es ls dkSu lk ekfdZx ehfM;k lw[ kus aeslokZf/kd le; rk ys gS\ 1½
pkWd ikmMj
2½
izfw l;u Cyw
3½
dkWij lYQsV
4½
lsY;wy kst ySdj
125. What is the meaning of the term “crater wear” of a turning tool? 1) A blunting of the primary cutting edge. 2) A cavity on the cutting face. 3) The blunting of the cutting point.
YOU TUBE CHANNEL-SPECIAL TECHNO
3) 128.
90°
WEBSITE- WWW.SPECIALTECHNO.COM
4)
120°
A flat surface can be produced by a lathe machine, if the cutting tool moves __________. 1) Parallel to the axis of rotation of the workpiece 2) Perpendicular to the axis of rotation of workpiece/ 3) At an angle of 45° 4) None of the above
,d ysFk e’khu }kjk ry dks lery cuk;k tk ldrk gS] ;fn dfVax Vwy &&& xfr djs 1½odZihl ds ?kw.kZ u dh jh /kq ds lkekuka rj 2½ odZihl ds ?kw.kZ u dh jh /kq ds {kSfrftd 0
ds dks
YOU TUBE CHANNEL-SPECIAL TECHNO
3½ 131.
FkzM s dfVax
WEBSITE- WWW.SPECIALTECHNO.COM
4½
ikfVZx vkWQ
For hack sawing thin tubing, the most suitable pitch of blade is 1)
1.8 mm
2)
1.4 mm
3)
1.0 mm
4)
0.8 mm
_________.
Ikrys apksxs dks vkjh CysM ls dkVus ds fy,] CysM dh lokZf/kd mi;qDr fip gS&
132.
1)
1.8 mm
2)
1.4 mm
3)
1.0 mm
4)
0.8 mm
The major load applied in Rockwell hardness testing in ‘B’ Scale is _______. 1)
100kgf.
2)
150kgf.
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
Ckgkz FkzM s l ds ekiu ds fy, FkzMs LuSi xst dk mi;ksx fd;k tkrk gSA “No Go” Nks j ds ,fUoYl &&&&& ds :Ik aes rs gks gSA 1½ Go Nks j dh vis{ z kk FksMl laf{kIr rFkk de la[;k 2½ 'kh"kZ rFkk ryh ij uqdhys 3½ 'kh"kZ rFkk ryh ij xksy 4½ Go Nks j dh vis{kk iw. kZ Lo:Ik rFkk de la[;k 135.
Fixed type of snap gauges will have 1)
‘Go’ & ‘No-Go’ on either ends.
2)
‘Go’ & ‘No-Go’on the same end.
3)
‘Go’ & ‘NoGo’separately.
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
3) Chips getting clogged 4) Spotting at the center is not done
,d ysFk aes 10 feeh- O;kl okys fMªy pd aes j[ks ª LVsV 'kad fMªy ds mi;ksx }kjk ,d fNnz fMªy fd;k x;kA dqN le; ckn ;g odZ ds lekukUrj ?kwerk gSA bl fod`fr ds fy, fuEu aes ls dkSu lk rF; dkj.k gS\
138.
1½
dsU a nzks dk js laf[kr u gksuk
2½
Vsy LVkWd agSM Oghy }kjk QhM cgqr /kheh gksuk
3½
fpIl dk vojksf/kr gksuk
4½
dsUnz ij LikWfVax u fd;k tkuk
Hack saw frame is used to cut along with_____________.
YOU TUBE CHANNEL-SPECIAL TECHNO
141.
WEBSITE- WWW.SPECIALTECHNO.COM
1½
;g lSMy dk fMVSpscy vax rk gks gS
2½
;g lSMy dk bVhxzy vax rk gks gS
3½
;g ,izu dk fMVSpscy vax rk gks gS
4½
mijksDr es ls dksbZ ugha
The cold chisels are made by____. 1)
Drawing
2)
Piercing
3)
Rolling
3)
Forging
dksYM Nsuh &&&&& }kjk cukbZ tkrh gSA 1½
Mªkbax
2½
os/ku
3½
jksfyax
4½
QksftZx
YOU TUBE CHANNEL-SPECIAL TECHNO
4½ 144.
WEBSITE- WWW.SPECIALTECHNO.COM
mPp dfVax LihM ij VuZ lqfuf’pr djuk
The prick punch point angle is? 1)
30 degree
2)
45 degree
3)
90 degree
4)
120 degree
pqHku iap fcUnq &&&& dks.k gS\
145.
1½
30 fMxzh
2½
40 fMxzh
3½
90 fMxzh
4½
120 fMxzh
2)
500 mm
One meter is equal to _________. 1)
100 mm
YOU TUBE CHANNEL-SPECIAL TECHNO
148.
WEBSITE- WWW.SPECIALTECHNO.COM
The difference between maximum limit of size and its corresponding basic size of a component is _____________. 1) Actual deviation
2) Upper deviation
2) Tolerance
3)Lower deviation
la?kVd ds vf/kdre lkbt dh lhek rFkk blds laxr vk/kkj ds e/; rj va rk gks gS&
149.
1½
okLrfod fopyu
2½
mijh fopyu
3½
lgkzrk
4½
fuEu fopyu
Thepart of the universal surface gauge which helps to draw parallel line alonga datum edge is the ___________. 1) Rocker arm
2)
Snug
YOU TUBE CHANNEL-SPECIAL TECHNO
3½ Lohdk;Z dk;Z 152.
WEBSITE- WWW.SPECIALTECHNO.COM
4½
vLohd`r lkbt
Liquid carburizing is done in a heated salt bath. Which one of the following is NOT a carburizing salt? 1) 3)
Sodium carbonate Barium chloride
2)
Sodium cyanide
4)
Sodium sulphate
ghVsM lkYV ckFk aes rjy dkcq Zj.k fd;k tkrk gSA fuEu aes ls D;k dkcqZj.k yo.k ugha gS\
153.
1½
lksfM;e dkcks ZuVs
2½
lksfM;e lk;ukbM
3½
csfj;e Dyks jkbM
4½
lksfM;e lYQsV
Suitable machine tool for high speed parting off work on material like cemented carbide
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
N 2)
0.3707 X 0.0052 N
3)
0.5 N
4)
0.613 N
,Des FkzMs a z es dsLV dh pkS kbZ M+ Kkr djus dk = lw gS&¼tgka N = izfr bap FkzM s l dh la[;k gS½
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
2½
dfVax Vwy ds Bhd LFkku dk irk yxkrk gSA
3½
Vwy dk ekxZ n’kZu djrk gSA
4½
dfVax Vwy dks idM+ s j[krk gS] lgkjk rk ns gS] Bhd LFkku dk irk yxkrk gS vkSj lkFk aes mldk ekxZ n’kZu Hkh djrk gSA
157.
The Jig, which doesn’t have a base but can be set over the job to be drilled is calle _________. 1)
Box Jig
2)
Sandwich Jig
3)
Channel Jig
4)
Trunnion Jig
lh ,s ftx ftles l cs ugha rk gks gS ysfdu fMªy fd, tkus okys tkWc ij lsV fd;k tk ldrk gS] dgykrh gS&&&
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
2½ ,fDll dks ysFk ,fDll dh ykbu es j[kk tkrk gS rFkk Vwy dks ysFk ,fDll ds ,d dks.k ij pyus fn;k tkrk gS 3½ odZ ,fDll dks ysFk ,fDll ds js la[k.k ls ckgj j[kus ds fy, ykbo rFkk MsM a lsVlZ dks foijhr fn’kkvks a aes pyk;k tkrk gS 4½ odZ ,fDll dks ysFk ,fDll ds js la[k.k ls ckgj j[kk tkrk gS rFkk Vwy dks ysFk ,fDll ds ,d dks.k ij pyus fn;k tkrk gS 159.
Soft jaws or vice clamps are used in the vice to hold_____________. 1) Hard word
2)
Heavy work
3) Finished work
4)
Castings
Okkbl aes dksey tcM+ s ;k okbl DySEi &&&&& dks idM+us ds fy, iz;qDr rs gks gSA 1½
dBks j dk;Z
3½
rS;kj dk;Z
2½ 4½
Hkkjh dk;Z
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
Rkieku ftl ij odZ ihl rIr rk gks gS] inkFkZ vkSj QksftZx izfdz;k ds izdkj ij fuHkZj jgrk gSA fuEu dkcZu bLikr QksftZx ds fy, rkieku ijkl D;k gS\
163.
1½
800-1300 fMxzh lsfYl;l
2) 650-920 fMxzh lsfYl;l
3½
700-800 fMxzh lsfYl;l
4) 450-700 fMxzh lsfYl;l
Due to continuous rubbing of the belt on the surface pulley, the belt gets dried up due to friction and heat generated. This causes the belt to slip. Which of the following materials is applied on the inner face of the belt to reduce belt slip? 1) Emery or corundum
2)
Tallow or powered resin
3) Nylon or Teflon
4)
Zinc or Chalk powder
csYV dh lrg f?kjuh ij yxkrkj jxM+u s ds dkj.k] csYV ?k"kZ.k rFkk mRiUu Å"ek ds dkj.k 'kq"d rh gks tkrh gSA blds dkj.k csYV fQlyus yxrh gSA csYV dh fQlyu jksdus ds fy,
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1)
2 axes
2)
4 axes
3)
3 axes
4)
All of the above
fefyax e’khu dh lefUor iz.kkyh aes &&&& v{k rs gks gSAa
166.
1)
2 v{k
2)
3)
3 v{k
4)
4 v{k
mi;qZDr lHkh
What type of bond is used in high speed grinding wheel? 1) Rubber bond
2)
Shellac bond
3) Resinoid bond
4)
Silicate bond
mPp xfr okys 'kh.k pdz aes fdl izdkj ds ckWUM dk mi;ksx fd;k tkrk gS\ 1½
jcj ckWUM
2½
'ksysd ckWUM
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
vka rfjd s FkzMks dh tkap ds fy, fdl izdkj ds xst dk mi;ksx fd;k tkrk gS\
170.
1½
z Ldwz fip xst
2½
z Ldw FkzsM Iyx xst
3½
z Ldw s FkzM fjax xst
4½
z Ldw FkzsM dSfyij xst
Which one of the following tolerance specifications has a maximum dimension of 20 mm? 1) 20 + 0.2 -0.3
2)
20 + 0.2
3) 20 +0 -0.3
4)
20 -0.2 -0.3
fuEu aes ls fdl lgkz rk fooj.k aes 20 feeh- dj vf/kdre foek gS\
2) 20 + 0.2 -0.3
2)
20 + 0.2
3) 20 +0 -0.3
4)
20 -0.2 -0.3
YOU TUBE CHANNEL-SPECIAL TECHNO
173.
WEBSITE- WWW.SPECIALTECHNO.COM
The special gear of 127 teeth or 63 teeth that may be used to cut metric threads in a lathe having British lead screw is____________. 1) Idle gear
2)
Translating gear
3) Change gear
4)
Compound gear
127 r nka ;k 63 r nka okyk fof’k"V fx;j ftls ysFk aes ehfVªd s FkzMl dkVus ds fy, bLrseky fd;k tk ldrk gS rFkk ftles a fczfV’k ysM z Ldw rk gks gS] og &&&& gSA
174.
1½
vkbMy fx;j
2½
lys Vªka fVx fx;j
3½
a pst fx;j
4½
dEikmaM fx;j
The cutting tool in a milling machine is mounted on______________. 1)
Arbor
2)
Column
3)
Spindle
3)
Knee
YOU TUBE CHANNEL-SPECIAL TECHNO
177.
WEBSITE- WWW.SPECIALTECHNO.COM
The function of the spindle in the vice is_____________ 1)
Holding the work
2)
Moving the moveable jaw
3)
Holding the handle
4)
None of the above
Okkbl aes /kqjh dk dk;Z &&&&&gSA
178.
1½
dk;Z dks idM+uk
2½
xfr’khy tcM+ s dks pykuk
3½
gRFks dks idM+uk
4½
mijksDr aes ls dksbZ ugha
After threading a hole by a tap, it was found that the crest of thread was not formed throughout. Which one of the following reasons would have caused for this defect? 1) Insufficient coolant supply 2)Broken tip of cutting edge
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1)Normal speed
2)
Slow speed
3)Medium speed
4)
Fast speed
,p,l,l ls fufeZ r midj.k &&&&&ij rsth ls f?klrs gS
181.
1½
lkekU; xfr
2½
/kheh xfr
3½
e/;e xfr
4½
rst xfr
Couplings are used to connect the shaft, when the shafts are __________ 1)
to be joined permanently
2) to be disconnected often 3) in misalignment 4) to be disconnected often and to compensate a slight misalignment between two shaft
tc 'kk¶V dks &&&& gks rc 'kk¶V dks tks us ds fy, dfIya
;ksx fd;k tkrk gSA
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1) Return stroke
2)
Forward stroke
3) both forward and return strokes
4)
non of the above
js rh &&&&&& ds nkSjku /kkrq gVkrh gSA
184.
1½
okilh LVªkd s
2½
vkxs okys LVªdks
3½
vkxs vkSj okys LVªdks a ks
4½
bues ls dksbZ ugha
A tool which is used to enlarge a drilled hole is known as ___________. 1) Facing tool
2)
Turning tool
3) Forn tool
4)
Boring tool
fMªy fd, x, fNnz dks k cM+ djus ds fy, ftl vkStkj dk iz;ksx fd;k tkrk gSA 1½
Qsflax Vwy
2½
VfuZ ax Vwy
YOU TUBE CHANNEL-SPECIAL TECHNO
187.
WEBSITE- WWW.SPECIALTECHNO.COM
While gas cutting, the nozzle should __________. 1)
touch the work
2)
be 2 mm away from work
3)
be 5 mm away from work
4)
be 10 mm away from work
l xS dfVax ds nkSjku] uksty &&&&&&&&&&&A
188.
1½
odZ ls Li’kZ djrk gqvk gksuk pkfg,
2½
odZ ls 2 feeh- dh jh nw ij gksuk pkfg,
3½
odZ ls 5 feeh- dh jh nw ij gksuk pkfg,
4½
odZ ls 10 feeh- dh jh nw ij gksuk pkfg,
A single start square thread with a pitch of 8 mm is to be roughly cut. The width of the cutting edge suitable for this is _________.
YOU TUBE CHANNEL-SPECIAL TECHNO
190.
WEBSITE- WWW.SPECIALTECHNO.COM
The depth bar of Vernier caliper is attached with ___________. 1)
Main scale
2)
Fixed jaw
2)
Screws
3)
Movable jaw
ofuZ;j dSfyij dh MsIFk ckj &&&&&& ls layXu jgrh gSA 1½ 3½ 191.
esu Ldsy z Ldwl
2½
fQDLM tkW
4½
os ew cy tkW
Which one of the following mechanical property is most essential for the metals to undergo forging operation? 1)Fusibility
2)
Plasticity
3) Elasticity
4)
Tenacity
vks a es QksftZx vkWijs’ku djus ds fy, fuEu aes ls dkSu lk ;kaf=d xq.k/keZ vko’;d gS\
YOU TUBE CHANNEL-SPECIAL TECHNO
194.
WEBSITE- WWW.SPECIALTECHNO.COM
1½
ysFk Fk csM ds nka nka, fljs ij
3½
ysFk Fk csM ds e/; e/; aes
2½ ysFk csM ds cka cka, fljs ij ij 4½ ysFk Fk csM dh ryh ij
During rough turning turning a workpiece with with a carbide tool, long long curly chips are being formed. Which one of the following is the right way of getting rid of this kind of chip? 1) Stop the power feed at intervals so that the chip breaks 2) Provide chip breaker on the tool 3) Change the rake angle 4) Use a metal hook and pull away the chips
dkckZbM Vwy ds }kjk }kjk odZihl dh jQ VfuZx ds nkS nkSjku] yacs NYys NYysnkj fpIl cu jgs gS agSA bl izdkj ds fpIl fpIl ls Vdkjk ikus dk dk fuEu aes ls ls dkSu lk rjhdk mi;qDr gS\
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
2) The work piece is pushed or pulled through the tool 3) Both the work piece and tool are rotated through a hole or surface 4) Only the tool is rotated through a hole or surface
czkfpx fs px og izfdz fdz;k ;k gS ftles &&&&&&A &&&&&&A 1½,d midj.k dks fNnz fNnz ;k lrg ds ek/;e ls iq’k ;k iqy fd;k tkr gS 2½,d odZ ihl dks midj.k midj.k ds ek/;e ls iq’k ;k iqy fd;k tkrk gS 3½odZ ihl rFkk midj.k nks a uks uks dks dks fNnz lk lrg ds ek/;e ls ?kqek;k tkrk gS 4½ds oy midj.k dks fNnz fNnz ;k lrg ds ek/;e ls ?kqek;k tkrk gS 197.
Which one of the following processing sequences will will give the best accuracy as well as surface finish?
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
3½ lrr fpi fufeZ r rs gks gS gS 4½ dksbZbZ fpi fufeZr ugh rk gks 199.
The taper ratio of the standard metric selfholding taper taper is ______. 1)
1:20
2)
1:25
3)
1:30
4)
1:50
Ekud ehfVªd lsYQ&gks YQ&gksfYMa fYMax Vsij ij dk Vsij ij vuqikr &&&& rk gks gSA
200.
1)
1:20
2)
1:25
3)
1:30
4)
1:50
Which one of the following machine reamer is used to correct the the misalignment between the reamer axis and the work axis? ax is? 1) Floating blade
2) Shell
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1) Prevent rain water falling on the fire. 2) Give appearance to the forge. 3) Let out smoke and dust. 4) Prevent the heat from escaping from the hearth.
QkstZ tZ es aes gq gqM dk D;k dk;Z rk gks gS\ 1½o"kkZ ty dks vkx vkx ij fxjus ls jksduk 2½ QkstZ tZ dks lq lqnja cukuk 3½ /kqvka v a ka rFkk rFkk /kwy dks ckgj ckgj djuk 4½ m"ek dks HkV~ HkV~Bh ls ckgj fudyus ls jksduk 203.
Uniformly increase or decrease in diameter along the length of the cylinder is called.
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1½ lksYMju YMju lrg ls vkW vkWDlkbMks a dks dks gVkuk 2½ la{kkj.k {kkj.k jksduk duk 3½ xhyh lrg dks iz ksizUur Uur djuk 4½ mijksDr Dr lHkh 206.
In vernier caliper, the main scale reading is 60mm.Vernier division coinciding with the main scale is the 28thdivision, and then the reading will be ______. 1)
0.56 mm
2)
60.56 mm
3)
60.28 mm
4)
120 mm
ofuZ;j ;j dSfyij fyij aes] eq[; iSekus dk dk ikB;kad 60 feeh- gSA eq[; iSekus ds ds lkFk la;ksxkRed xkRed ofuZ;j ;j fMohtu 28 oka fMohtu fMohtu gS] rc ikB;kad &&&&&& gksxkA xkA
YOU TUBE CHANNEL-SPECIAL TECHNO
3) 209.
WEBSITE- WWW.SPECIALTECHNO.COM
500 g
4)
1000 g
Which statement of the following is NOT correct with respect to the three jaw self centering chuck? 1) It can used for round workpieces. 2) The jaws move simultaneously. 3) The jaws can be reversed and assembled. 4) It can used for hexagonal workpieces.
Fkzh tkW lsYQ a lsVfjax pd ds lanHkZ aes fuEu aes ls dkSu lk rF; ;gh ugh gS\ 1½
;g xksy odZihlst ds fy, iz;qDr gks ldrk gS
2½
tkW ,d lkFk pyrs gS
3½
tkWt dks fjoLMZ rFkk vlsEcYM fd;s tk ldrs gSa
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
2)
Length of the workpiece
3)
Material of the workpiece
4)
Operation to be performed on the workpiece
ls aVj fMªy dk vkdkj &&&&&&& ds vk/kkj ij p;fur fd;k tkrk gSA
213.
1½
odZihl ds O;kl
3½
odZihl ds eSVfj;y s
2½ 4½
odZihl dh yackbZ odZihl ij fd, tkus okys vkWi’ku js
A gear wheel has 36 teeth (z) and 3 mm module (m) its pitch diameter is_____. 1)
12 mm
2)
75 mm
3)
80 mm.
4)
108 mm
,d fx;j ifg, aes 36 r nkW (z) gS vkSj 3 feeh ekWM;w y (m) gSA bldk fip O;kl &&&&&gSA feeh
feeh
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1) Thickness of tool
2)
Width of tool
2) Length of tool
4)
None of the above
1 X 6” fooj.k okys HSS Vwy fcV aes 6 bap fdls lanfHkZr djrk gS\ 2
216.
1½
midj.k dh eksVkbZ
3½
Vwy dh yackbZ
2½ 4½
Vwy dh pkS kbZ M+ mijksDr aes ls dksbZ ugha
Thread grinding requires work speed from______________. 1)
5 to 10 m/min
2)
1 to 3 m/min
3)
14 to 20 m/min
4)
10 to 14 m/min
FkzM s filkbZ dks &&&&&& dh dk;Z xfr vko’;d gSA
YOU TUBE CHANNEL-SPECIAL TECHNO
219.
WEBSITE- WWW.SPECIALTECHNO.COM
2½
dw a y Vs dh vi;kZIr vkiwf rZ
3½
vR;f/kd dfVax LihM
4½
tkWc ds fy, vuqi;qDr jhej dk p;u
To turn an external angle having 600 included angle, the compound slide to be set to _______. 1)
600
2)
300
3)
900
4)
450
,d ckg; dks.k dks cnyus ds fy, ftles600 rxZ va r dks.k gS] dEikm.M LykbM dks &&&& ij LFkkfir djuk gksxkA 1)
600
2)
300
YOU TUBE CHANNEL-SPECIAL TECHNO
222.
WEBSITE- WWW.SPECIALTECHNO.COM
Hand file is also called as? 1)
Rasp cut file
2)
Safe edge file
3)
Rough File
4)
Smooth file
gLr rh js dks &&&&& Hkh dgk tkrk gSA
223.
1½
eksVh dkV rh js
2½
lqj{kk dks j rh js
3½
:{k rh js
4½
fpfdu rh js
The distance a drill moves into the work for each revolution of the spindle is called ___. 1)
Feed of a drill
2)
Speed of a drill
3)
Depth of a drill
4)
Cutting speed of a drill
fLiaMy ds izR;sd ifjdze.k ij fMªy }kjk tkWc ds Hkhrj izfo"V gksu s dh jh nw && dgykrh gSA
YOU TUBE CHANNEL-SPECIAL TECHNO
226.
WEBSITE- WWW.SPECIALTECHNO.COM
Used for blind hole tapping: 1)
Taper tap
2)
Medium tap
3)
Bottoming tap
4)
Nut tap
CykbZM gksy VSfiax ds fy, iz;xks fd;k tkrk gS%
227.
1½
Vsij VSi
2½
ehfM;e VSi
3½
ckVfeax VSi
4½
uV VSi
Centre punch is made of: 1)
High carbon steel
2)
High speed steel
3)
Mild steel
4)
Low alloy carbon tool steel
lsUVj iap fuEu dk cuk rk gks gS& dkcZu LVhy
xfr LVhy
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
LdzkbZfcax CykWd dk mi;ksx fuEu ds fy, fd;k tkrk gS
230.
1½
leryrk ijh{k.k
2½
o`Rr LdzkbZfcax
3½
dk;Z&oLrq ij vk;ke ekdZ djuk
4½
bues ls lHkh
Used for checking the size of the hole: 1)
Ring gauge
2)
Plug gauge
3)
Wire gauge
4)
Centre gauge
fNnz ds vkdkj dh tkWp ds fy, iz;xks fd;k tkrk gS% 1½
fjax xst
2½
Iyx xst
YOU TUBE CHANNEL-SPECIAL TECHNO
233.
WEBSITE- WWW.SPECIALTECHNO.COM
Which of the following material has maximum dutility: 1)
Mild steel
2)
Medium carbon steel
3)
High carbon steel
4)
Cast iron
fuEUkfyf[kr aes ls dkSu ls inkFkZ dk vf/kdre vk?kkro/kZrk rk gks gS%
234.
1½
e`nq LVhy
2½
e/;e dkcZu yksgk
3½
mPp dkcZu bLikr
4½
The taper is used in spindle nose of the head stock: 1)
Jarno taper
2)
Brown and sharp taper
3)
Pin taper
4)
Morse taper
gSM LVkWd ds fLiUMy ukfldk aes iz;qDr Vsij gS%
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1)
Manganese percentage
2)
Carbon percentage
3)
Nickel percentage
4)
None of these
es] 30 n’kkZrk gS% 30C 8 dkcZu LVhy a
238.
1½
eSxuht izfr’kr
2½
dkcZu izfr’kr
3½
fudsy izfr’kr
4½
bues a ls dksbZ ugh
Which one of the following dimension shown the largest tolerance: 1)
40+0.1
2)
40+0.2
3)
50+0.01
4)
40+1.0
-0.1
-0.01
-0.1
-1.0
fuEufyf[kr aes ls dkSu&lk ifjeki lcls cM+ h VksyjsUl iznf’kZ r djrh gS%
YOU TUBE CHANNEL-SPECIAL TECHNO
241.
WEBSITE- WWW.SPECIALTECHNO.COM
Which one of the following element can be used to make steel brittle? 1)
Sulphur
2)
Silicon
3)
Phosphorous
4)
Manganese
fuEufyf[kr aes ls dkSu ls ,d rRo dk mi;ksx bLikr Hkaxqj cukus ds fy, fd;k tkrk gS%
242.
1½
lYQj
2½
flfydu
3½
QkWLQks jl
4½
eSxuht
In Engineering drawings, ø represents: 1)
Circle size
2)
½ of di size
YOU TUBE CHANNEL-SPECIAL TECHNO
245.
WEBSITE- WWW.SPECIALTECHNO.COM
The standard atmospheric pressure is: 1)
10.3 m of Hg
2)
9.3 m of Hg
3)
12.4 m of Hg
4)
None of these
Ekkud ok;qeM a yh; nkc rk gks gS%
246.
1)
10.3 m dk Hg
2)
9.3 m dk Hg
3)
12.4 m dk Hg
4)
bues a ls dksbZ ugha
Scale 1:2 in drawing indicates 1)
Drawing made is ½ of job size
2)
Drawing made is double the job size
YOU TUBE CHANNEL-SPECIAL TECHNO
249.
1½
vk/kkj
3½
mRlthZ
WEBSITE- WWW.SPECIALTECHNO.COM
2½
laxzkgh
4½
ghVj
The rake angle of HSS tool for cutting mild steel is : 1)
110C
2)
170C
3)
220C
4)
160C
e`nq bLikr dkVus ds fy,HSS Vwy dk jsd dks.k gksrk gSA
250.
1)
110C
2)
170C
3)
220C
4)
160C
Trammel is used for the marking of especially:
YOU TUBE CHANNEL-SPECIAL TECHNO
3)
Lip clearance angle
WEBSITE- WWW.SPECIALTECHNO.COM
3)
All of these
fMªy xzkbZM djrs le; dkSu&lk dks.k izHkkfor ugha rk gks gS%
253.
1½
dRkZu dks.k
2½
gsfyDl dks.k
3½
fyi fDy;jsUl dks.k
4½
mi;q r DZ lHkh
The include angle of centre for heavy work is: 1)
450C
2)
500C
3)
600C
4)
750C
Hkkjh dk;Z ds fy, lsUVj dk 'kkfey dks.k rk gks gSA 1)
450C
2)
500C
3)
600C
4)
750C
YOU TUBE CHANNEL-SPECIAL TECHNO
4)
WEBSITE- WWW.SPECIALTECHNO.COM
Checking profile of thread
lkbZu ckj iz;ksx dh tkrh gS%
257.
1½
fMªf a yax ds fy, tkWc dh ofya ys x djuk
2½
Vsij tkWc dk dks.k Kkr djuk
3½
Ns a nks dk O;kl ekiu djuk
4½
FkzSM dh izkQ s kby ijh{k.k djuk
Cu+Pb+Zn alloys are also known as1)
Leaded brass
2)
Tin brass
3)
Aluminium brass
4)
Gilding brass
Cu+Pb+Zn feJ dks Hkh tkuk tkrk gSA
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
2
3)
600
4)
900
eSfVªd Fkz l M s ~ dk dks.k rk gks gS%
261.
1)
47 10
2)
550
3)
600
4)
900
2
Tin based alloys are also known as: 1)
Babbitt metals
2)
Gun metal
3)
Bronze
4)
Brass
LM cs feJ/kkrq dks Hkh tkuk tkrk gS% 1½
cSfcV /kkrq
3½
dka
2½ 4½
xu /kkrq ihry
YOU TUBE CHANNEL-SPECIAL TECHNO
264.
To measure gap between two mating parts, we use: 1)
Snap gauge
2)
Feeler gauge
3)
Centre guage
4)
Radius gauge
nks
265.
WEBSITE- WWW.SPECIALTECHNO.COM
tks k M+ [kkus okys iqtks Z ds e/; vUrjky ds ekiu ds fy, ge iz;ksx djrs gS%
1½
LuSi xst
2½
Qhyj xst
3½
lsUVj xst
4½
jsfM;l xst
The steek which contains 0.8% carbon is known as : 1)
Eutectoid steel
2)
Hyper eutectoid steel
3)
Hypo- eutectoid steel
4)
None of these
Og bLikr ftles dkcZu
izfr’kr rk gks gS] tkuk tkrk gS%
YOU TUBE CHANNEL-SPECIAL TECHNO
V V
V
V V
V
V V
V
WEBSITE- WWW.SPECIALTECHNO.COM
1)
Single cut file
2)
Double cut file
3)
Rasp cut file
4)
Circular cut file
= fp+ aes fn[kkbZ xbZ Qkby gS% V V
V
V V
V
V V
V
1½
flaxy dV Qkby
2½
Mcy dV Qkby
3½
jSLi dV QkbYk
4½
ldq Zyj dV Qkby
YOU TUBE CHANNEL-SPECIAL TECHNO
272.
WEBSITE- WWW.SPECIALTECHNO.COM
1½
mtkZ
2½
'kfDr
3½
dk;Z
4½
bues a ls dksbZ ugh
Try square is used to measure: 1)
450 angle of job
2)
600 angle of job
3)
900 angle of job
3)
Any angle of job
VªkbZ Ldok;j dk iz;ksx fdlds ekiu aes fd;k tkrk gS%
273.
1½
tkWc dk 450 dks.k
2½
tkWc dk 600 dks.k
3½
tkWc dk 900 dks.k
4½
tkWc ds fdlh dks.k
The ratio of stress to strain is known as :
YOU TUBE CHANNEL-SPECIAL TECHNO
3)
WEBSITE- WWW.SPECIALTECHNO.COM
Grooving
4)
Parting off
ysFk ij fuEufyf[kr vkWijs’ku aes ls fdles a LihaMy xfr vf/kdre rh gks gS\ 1½
276.
VfuZx
2½
pw h M + dfVax
3½ z xqfoax
4½
ikfVZx vkWQ
Bench vice spindle has: 1)
V-threads
2)
Buttress thread
3)
Square thread
3)
Acme thread
csUp okbl ds LihaMy ij rh gks gS% 1½
oh pwf M+;kW
2½
ª cVsl pwf M+;kW
3½
oxkZdkj pwf M+;kW
4½
,Des pwfM+ ;kW
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
lery flaxy dV rh js dh lgk;rk ls ckgjh lrg dks fQfu’k djus ds vkWi’ku js dks tkuk tkrk gSA
280.
1½
ikWfyf’kax
2½
fQfyax
3½
fLifuax
4½
bues a ls dksbZ ugha
The least count of vernier bevel protractor is : 1)
5 second
2)
10
3)
5 Minutes
4)
900
ofuZ;j chosy ks iz VsDVj dk vYiekad D;k rk gks gS% 1½
5 lsd.s M
2½
10
3½
5 feuV
4½
900
YOU TUBE CHANNEL-SPECIAL TECHNO
284.
WEBSITE- WWW.SPECIALTECHNO.COM
1½
dwy Us V vkWu
2½
3½
Vwy ifjorZu
4½
dwy Us V vkWQ ks iz xzke r va
Bench vice size is given by: 1)
Length of jaw
2)
Size of spindle
3)
Width of jaw
3)
Weight of vice
cSp a okbl dk uke fdlds }kjk fn;k tkrk gS%
285.
1½
tcM+ s dh yackbZ
2½
LiSfUMy dh uki
3½
tcM+ s dh pkS kbZ M+
4½
okbl dk out
The device used to drive the work – poece through a carrier when the work – piece has
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
og jh nw ftlds dk;Z&oLrq ds izR;sd pdz ds fy, ysFk Vwy ,MokUl rk gks gS] dks tkuk tkrk gSA
288.
1½
QhM
3½
dV dh xgjkbZ
2½ 4½
dfVax xfr bues a ls dksbZ ugha
Lip clearance angle in a drill is kept: 1)
300
2)
450
3)
150
4)
250
fMªy aes fyi Dyh;js l dks.k j[kk tkrk gS% a 1)
300
2)
450
YOU TUBE CHANNEL-SPECIAL TECHNO
291.
WEBSITE- WWW.SPECIALTECHNO.COM
The tolerance grade 4 is obtained by1)
Ball bearing
2)
Broaching
3)
Press work
4)
Stamping
VkWyjsUl s xzM 14 --------------------- ls izkIr fd;k tkrk gSA 1½ 3½ 292.
ckWy fc;fjax l izs dk;Z
2½ 4½
sczfpax LVSfEiax
Which of the following instrument will be preferred for measuring very high value of resistance ? 1)
Multimeter
2)
Meggar
YOU TUBE CHANNEL-SPECIAL TECHNO
295.
WEBSITE- WWW.SPECIALTECHNO.COM
In shaft basis system, the basis shaft is one whose1)
Lower deviation is zero
2)
Upper deviation is zero
3)
Upper and Lower deviation is zero
4)
None of these
'kk¶V csfll iz.kkyh aes] ewy 'kk¶V og gS ftldk& 1½
fuEu fopyu 'kqU; rk gks gS
2½
mPp fopyu 'kqU; rk gks gS
3½
mPp ,oa fuEu fopyu 'kqU; rk gks gS
4½
bues a ls dksbZ ugha
YOU TUBE CHANNEL-SPECIAL TECHNO
298.
WEBSITE- WWW.SPECIALTECHNO.COM
In drawing , surface finish is denoted by: 1½
2½
3½
4½
vkjs[k.k aes i`"B ifjlTtk fdlds }kjk izn r f’kZ dh tkrh gS%
299.
1½
2½
3½
4½
The ratio of speed of friven to speed of driver is known as1)
Speed ratio
2)
Train value
3)
Velocity ratio
4)
None of these
MªkbZous dh xfr ls MªkbZoj dh xfr dk vuqikr dks tkuk tkrk gS&
YOU TUBE CHANNEL-SPECIAL TECHNO
3)
WEBSITE- WWW.SPECIALTECHNO.COM
Voltage
4)
None of these
Ω vksg~e fdldh ,d bdkbZ gS %
303.
1½
/kkjk
2½
izfrjks/k
3½
oksYVrk
4½
bues a ls dksbZ ugha
The addition of zinc in brass increases the1)
Ductility
2)
Malleability
3)
Toughness
4)
Hardness
ihry aes ftad feykus ls c<+ rk gS& 1½
vk?kkro/kZrk
2½
yphykiu
3½
n` rkiu <+
4½
dBks jrk
YOU TUBE CHANNEL-SPECIAL TECHNO
306.
WEBSITE- WWW.SPECIALTECHNO.COM
The instrument used to check the state of charge of a battery is : 1)
Hydrometer
2)
Hygrometer
3)
Battery charger
4)
Battery eliminator
fdlh cSVjh ds pktZ dh voLFkk dh tkWp ds fy, iz;ksx fd, tkus okys midj.k dks dgrs gS%
307.
1½
gkbMªkes hVj
2½
gkbxz ksehVj
3½
cSVjh pktZ j
4½
cSVjh foyksid
Which of the following chuck is known as self centring chuck? 1)
Three jaw chuck
2)
Four jaw chuck
3)
Independent chuck
4)
Collect chuck
fuEufyf[kr aes ls dkSu lk pd Lo;a dsUnzh pd ds :i aes tkuk tkrk gS\ rhu
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1)
Depth of foundation
2)
Earthing
3)
Waves
4)
None of these
iznf'kZ r djrk gS%
311.
1½
o uha dh xgjkbZ
2½
Hkw&lEidZ u
3½
rjaxs
4½
bues a ls dksbZ ugha
Speed is1)
Vector quantity
2)
Scalar quantity
3)
Both (a) & (b)
3)
None of these
2½
vfn’k jkf’k
Xfr rh gks gS& 1½
lfn’k jkf’k
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
¶ykbZ dVj dk iz;ksx rk gks gS%
315.
1½
ysFk e’khu ij
2½
'ksij e’khu ij
3½
fefyax e’khu ij
4½
mi;ZqDr lHkh ij
1 Watt is equal to1)
Joule/sec
2)
Joule-sec
3)
Newton-meter
4)
None of these
1 okV cjkcj rk gks gS& 1½
twy @lsds.M
2½
twy &lsds.M
3½
U;wV u &ehVj
4½
bues a ls lHkh
YOU TUBE CHANNEL-SPECIAL TECHNO
3) 319.
1300 xzke
WEBSITE- WWW.SPECIALTECHNO.COM
4)
45.9 xzke
Which of the following hammer can be used for stretching or peening the metal? 1)
Cross pein hammer
2)
Ball pein hammer
3)
Straight pein hammer
4)
Soft hammer
fuEufyf[kr aes ls dkSu lk gSej dk mi;ksx /kkrq LVªfs pax ;k ihfuax ds fy, fd;k tkrk gS\
320.
1½
W dzkl fiu gSej
2½
ckWy fiu gSej
3½
lh/kh fiu gSej
4½
lkW¶V gSej
The point angle of the centre punch is : 1)
300 0
2)
600 0
YOU TUBE CHANNEL-SPECIAL TECHNO
323.
WEBSITE- WWW.SPECIALTECHNO.COM
Pillar file is used in1)
General work
2)
Filling the corners
3)
Narrow slots
4)
All of these
fiyj rh js dk mi;ksx ------------------ aes fd;k tkrk gSA
324.
1½
lk/kkj.k dk;Z
3½
lad k M+ LykWV
2½ 4½
dkWuZj dks Hkjuk bues a ls lHkh
Which of the following is not a part of combination set: 1)
Protractor Head
2)
Square Head
3)
Centre Head
4)
Measuring Head
fuEufyf[kr aes ls dkSu&lk dkEchus’ku lsV dk Hkkx ugh gS% 1½
izkVs Ds Vj gs
2½
Ldos;j gs
YOU TUBE CHANNEL-SPECIAL TECHNO
3)
WEBSITE- WWW.SPECIALTECHNO.COM
Tong
4)
Gouge
Xkje tkWcks dks idM+us dh ;qfDr dks D;k dgrs gS \
328.
1½
Lost CykWd
2½
gkMhZ
3½
a Vksx
4½
xkmu
A product is said to have the quality when? 1)
Its shape and dimensions are within the limits
2)
It appears to be very good
3)
It is fit for use
4)
The choice of material is right
,d mRikn xq.krk okyk gksxk tc\ foek;s fu;f=r gks
YOU TUBE CHANNEL-SPECIAL TECHNO
3½ 331.
WEBSITE- WWW.SPECIALTECHNO.COM
fiu Vsij
4½
lZ eks Vsij
A 600 mm long shaft has a taper of 5 mm per meter. What will be lowest diameter of the shaft if highest diaeter is 75 mm? 1)
72 mm
2)
69 mm
3)
74 mm
4)
70 mm
,d 600 mm yEcs 'kk¶V dk Vsij 5 mm izfr ehVj gS] ;fn ml 'kk¶V dk vf/kdre O;kl 75 mm
gks rks U;wure O;kl dk eku D;k gksxk\
1½
75 mm
2½
69 mm
3½
74 mm
4½
70 mm
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1)
Waviness
2)
Roughness
3)
Surface texture
4)
Lay
tkWc ey lrg ij dfVax Vw y ds pyus ls mRiUu iSVuZ dks dgrs gS\ 1½ 3½ 335.
ohus os l ljQs’k VsDlj
2½
jQus’k
4½
ys
The value of point angle of a twist drill used for drill in aluminium is 1)
1500
2)
1180
3)
450
4)
800
,Y;qehfu;e aes Nsn djus ds fy, iz;xks gksus okys V~foLV fMªy ds ikWbVa dks.k dk eku fdruk rk gks gS\
YOU TUBE CHANNEL-SPECIAL TECHNO
338.
WEBSITE- WWW.SPECIALTECHNO.COM
Boring in a Lathe is a operation of………………. 1)
Making a fresh hole
2)
Enlarging the drilled hole to any size
3)
Can only produce standard size
4)
Truing a hole
ysFk es cksfjax vkijs’ku gS 1½
,d u;k gksy cukuk
2½
fNfnz r gksy dks fdlh lkbt rd k cM+ djuk
3½
flQZ fu/kkZfjr lkbt rd cM+ k djuk
4½
gksy dks lgh djuk
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1)
1 to 2
2)
0.5 to 1.5
3)
2 to 4.5
4)
4 to 6.5
342.
1½
1 to 2
2½
0-5 to 1-0
3½
2 to 4-5
4½
4to 6-5
‘V’ block is used to hold which type of job? 1)
square
2)
rectangular
3)
circular
4)
irregular shaped
oh Cykd dk iz;ksx fdl izdkj ds tkWc dks idMus ds fy;s fd;k tkrk gS\ 1½
oxhZdkj
3½
xks
2½
vk;rkdkj vkfuvfer
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
3)
Coarse, Second Cut, Bastard
4)
Bastard, second Cut, Coarse
Qkby dk [kqjnjs ls eghu dh j vks lgh dze D;k gksrk gS\
346.
1½
dklZ] ckLVMZ] lsdM a dV
2½
ckLVMZ] dks lZ] lsdM a dV
3½
dks lZ] lsdaM dV] ckLVMZ
4½
ckLVMZ] lsdM a dV] dks lZ
Find the cutting speed to make a ½ ” dia hole if spindle of drill machine is running at 840 RPM? 1)
110 ft/min
2)
117 ft/min
3)
92 ft/min
4)
200 ft/min
fdlh tkWc aes 1@2^^ O;kl dk gksy djus ds fy;s dfVax LihM fudkfy;s ;fn fMªy e’khu dk fliaMy 840 vk- ih- ,e- py jgk gS
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1)
Point Angle
2)
Chisel Angle
2)
Helix Angle
4)
Lip Clearance Angle
,d V~foLV fMªy aes d js ,axy fdldks dgrs gS\a
350.
1½
ikWbVa ,axy
2½
fplsy ,axy
3½
gsfyDl ,axy
4½
fyi Dyh;js l ,axy a
A 12 mm dia reamerd hole is to make in a mild steel jo (B) What will be the reamer drill size? 1)
12 mm
2)
11.75 mm
3)
11.80 mm
4)
11.50 mm
,d ekbYM LVhy tkWc aes 12 feeh O;k; dk jheMZ gksy cukuk gSA jhej fMªy lkbt D;k gksxk\ 1½
feeh
2½
feeh
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1)
D=1000V/π N
2)
D= π N /1000V
3)
D=1000 π/NV
4)
D=1000N/ πV
;fn fdlh tkWc dks dkVus dh LihM V eh- izfr feuV gS vkSj mldk ?kw.kZ u N pDdj izfr
354.
feuV gS rks ml tkWc dk O;kl(D)
feeh aes fdruk gksxk\
1)
D=1000V/TT N
2)
D=TT N/1000V
3)
D=1000TT/NV
4)
D=1000N/TTV
Find the drill for M10 X 1.5 tap 1)
10 mm
2)
8017 mm
3)
9.0 mm
4)
8.50 mm
YOU TUBE CHANNEL-SPECIAL TECHNO
357.
WEBSITE- WWW.SPECIALTECHNO.COM
The process of heating high carbon steel above upper critical temperature followed by air cooling is termed as 1)
Normalizing
2)
Annealing
3)
Hardening
4)
Tempering
dkcZu LVhy dks mlds vij fdzfVdy rkieku ds Åij xje djus vkSj fQj gok aes BUMs djus dh izfdz;k dks D;k dgrs gS\a
358.
1½
ukWeZykbftax
2½
vfu;fyax
3½
gkM+ Zfuax s
4½
VsEifjax
A grinding wheel is marked as 51A46L5V23. What does V denote?
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
2)
to load the grinding wheel in machine
3)
leaning of grinding wheel
4)
none of the above
xzkbfMax Oghy yksfMax ls rkRi;Z gS
361.
1½
xzkbfMax Oghy ds l Qs ij /kkrq ds d.kks dk Qluk
2½
xzkbfMax Oghy dks e’khu es yksM djuk
3½
xzkbfMax Oghy dh lQkbZ djuk
4½
bues ls dqN ugh
The diameter of friver pulley is 40 cm and it is running at a 510 rpm. If driven pulley has to run at 120 rpm what should be its diameter.
YOU TUBE CHANNEL-SPECIAL TECHNO
364.
WEBSITE- WWW.SPECIALTECHNO.COM
1½
14 mm
2½
14-16 mm
3½
15-03 mm
4½
15-08 mm
Thread in a job is shown as M10X1.5 What is 1.5 in it? 1)
dia of thread
2)
pitch of thread
3)
radius of thread
4)
none of the above
,d tkWc kbx Mª es sFkzM dks M10X1.5 n’kkZ;k x;k gSA bles 1-5 D;k gS\ 1½
FkzM s dks etcw jh nsus ds fy;s
2½
T;knk ikoj Vªklfe’ku ds fy;s
3½
eks’ku dks 'kh?kzrk ls VªklfeV djus ds fy,
4½
bues ls dqN ugh
YOU TUBE CHANNEL-SPECIAL TECHNO
367-
368-
369-
WEBSITE- WWW.SPECIALTECHNO.COM
mPp xfr fefyax dk;Z ds fy;s fdl izdkj ds fefyax dVj dk iz;ksx fd;k tkrk gS\ 1½
'kwU ; jsd
2½
usxfs Vo jsd
3½
ikWtfVo jsd
4½
bues a ls dksbZ ugha
fjosV aes gsM 'kSd a vkSj&&&&&&&&gks rk gSA 1½
use
2½
ckWMh
3½
Vsy
4½
ikbykWV
2½
VsEifjax
ekVs ZEifjax ,d &&&&&&&& i)fr gSA 1½
ukWeZykbftax
YOU TUBE CHANNEL-SPECIAL TECHNO
374-
375-
376-
WEBSITE- WWW.SPECIALTECHNO.COM
&&&&& ds O;ogkj ls vaMjdV
’kksYMj dk fuekZ.k rk gks gSA
1½ q xzfoax midj.k
2½
ikfVZ ax vkWQ midj.k
3½
4½
bues a
Ldos;j ukst midj.k
ls dksbZ ugha
cSdyS’k ,fyfeusVj dks &&&&& aes nsuk pkfg,A 1½
vifefyax
3½
Mkmu fefyax
3½
l Qs fefyax
4½
a xSx fefyax
,uhfyax aes 'khryu &&&&& fd;k tkrk gSA 1½
cgqr 'kh?kz
2½
'kh?kz
3½
cgqr /khjs
4½
gok aes
YOU TUBE CHANNEL-SPECIAL TECHNO
3½ 381-
382-
383-
ckgjh Vsij rk gks gS
WEBSITE- WWW.SPECIALTECHNO.COM
4½
nks a uks ¼2½ vkSj ¼3½
fdl Nsn dk lgh O;kl ikus ds fy;s fMªy dks nksuks yhi ds lkFk &&&&&& ij j[kuk pkfg;sA 1½
300
2½
450
2½
590
4½
600
;wf uolZy fefyax e’khu aes &&&&&& la[;k ds Vscy oes ew UV ik, tk ldrs gSA 1½
2
2½
3
3½
4
4½
5
ysM Ldz q dh ?kw.kZ u {kerk ysn js dS t aes &&&&&&& ds ek/;e ls lapkfyr rh gks gSA
YOU TUBE CHANNEL-SPECIAL TECHNO
388-
389-
390-
WEBSITE- WWW.SPECIALTECHNO.COM
Cksgrj idM+ dk lrg kIr iz djus ds fy;s] bues a ls dkSu lk dk;Z vko’;d rk gks gS\ 1½
vUMjdV
2½
ufyZxa
3½
jhfeax
4½
QkW a feZx
,DlVsUlu jkWM &&&&& ds fy;s vfrfjDr fo’ks"krk agSAa 1½
lkbu ckj
2½
vkUrfjd ekbdz ksehVj
3½
ofuZ;j dSyhij
4½
bues a ls dksbZ ugha
Xku esVy ,d &&&&&& gSAa 1½
vykSg&feJ /kkrq
2½
;ksfxd
YOU TUBE CHANNEL-SPECIAL TECHNO
395-
396-
397-
WEBSITE- WWW.SPECIALTECHNO.COM
ysn dsUnz aes &&&&&&dk foUnq dks.k rk gks gSA 1½
300
2½
450
3½
600
4½
bues a ls dksbZ ugha
psflax Mk;y dks &&&&&& ds nk;s a fljs ij j[kk tkrk gSA 1½
Vsy LVkWd
2½
,izkWu
3½
kW dz l LykbM
4½
bues a ls dksbZ ugh
fuEufyf[kr es ls dkSu lk fodYi ysn dk;Z dk milgk;d gS\ 1½ 3½
LVsfM LV js QhM jkWM
2½
Vsy LVkWd
4½
bues a ls dksbZ ugha
YOU TUBE CHANNEL-SPECIAL TECHNO
403-
404-
WEBSITE- WWW.SPECIALTECHNO.COM
1½
fjfeax
2½
VSfiax
3½
cksfjax
4½
bues a ls dksbZ ugha
lhlk vkSj tLrk ls cus feJ /kkrq dks &&&&&& dgk tkrk gSA 1½
js cks Dl
2½
LisYVj
3½
lksYMj
4½
bues a ls dksbZ ugha
"kVdks.kh; cksYV dks fey djus ds fy;s] fuEufyf[kr es ls dkSu lk fefyax vkWijs’ku lcls mi;qDr gS\ 1½
QkWeZ fefyax
2½
LVªM S sy fefyax
3½
l Qs fefyax
4½
s,axqyj fefyax
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
409- z FksM dkVus ds ckn dk vxyk dk;Z gSA
410-
411-
1½
fMªfyax
2½
pSEQfjax
3½
luk iha ;k Qkbfyax
4½
Qsflax
bUVjuy dhos &&&&&& ds }kjk dkVh tkrh gSA 1½
'ksfiax e’khu
2½
czkfs pax e’khu
3½
LyksfVax e’khu
4½
;s lHkh
ikbi ds tks ks a M+ aes fuEufyf[kr dkSu lk z FksM dk iz;ksx fd;k tkrk gS\ 1½
ch ,l MCyw
2½
ch ,l ih
YOU TUBE CHANNEL-SPECIAL TECHNO
416-
417-
418-
WEBSITE- WWW.SPECIALTECHNO.COM
fpfiax i)fr es fuEufyf[k res ls dkSu&lh phty dk iz;ksx fd;k tkrk gS\ 1½
dsi fpty
2½
gkWV fpty
3½
dksYM fpty
4½
lkbM fpty
iqt a ksRiknu aes fefyax dVj dks funs Z’k nsu s ds fy;s &&&&&& dk iz;xks fd;k tkrk gSA 1½
ftx
2½
fMokbfMax gsM
3½
VsEiysV
4½
fQDlpj
30 eh@feuV ds dVko xfr ij ,d 40 ls eh tkWc dks eM+ ks jus ds fy;s ysn dh fLiaMy xfr &&&& gksxhA 1½
206 vkj ih ,e
2½
238 vkj ih ,e
YOU TUBE CHANNEL-SPECIAL TECHNO
423-
424-
425-
WEBSITE- WWW.SPECIALTECHNO.COM
^^yksfMax^^ 'kCn &&&&&& ds lkFk lEcfU/kr gSA 1½
fMªy fcV
2½
3½
xzkbafMx Oghy
4½
fefyax dVj ks cz p
&&&&&&& dh izfdz;k aes ftad Dyks jkbM eqq[;:Ik ls iz;xks fd;k tkus okyk ¶yDl gSA 1½
osfYMax
2½
'kksYMfjax
3½
gkMZ czftax
4½
bues a ls dksbZ ugha
mPPk dkcZu;qDr LVhy es &&&&&& dkcZu rk gks gSA 1½
0-15 % ls a 0-%
2½
0-6 ls 1-5% % a
3½
0-15% ls 0- % 3
4½
bues a ls dksbZ ugha
YOU TUBE CHANNEL-SPECIAL TECHNO
430-
431-
432-
WEBSITE- WWW.SPECIALTECHNO.COM
fuEufyf[kr aes ls dkSu lk midj.k dks.k lrg dh cukoV aes lq/kkj ykrk gS\ 1½
Dyh;jsUl a,SXy
2½
3½
ukst a,Sxy
4½
jSd a,Sxy bues a ls dksbZ ugha
fMªfyax ftx dk iz;ksx fd;k tkrk gSA 1½
vkfniz k:Ik ds dk;Z ds fy,
2½
ejEerh dk;Z ds fy,
3½
O;kid mRiknu ds fy,
4½
bu lHkh dk;ks Z a ds fy,
lQs Zl Iys sV &&&&&& ds uke ls Hkh tkuk tkrk gSA 1½
Vsij VSi
2½
CkkWVfeax VSi
3½
bUVjehfM;sV VSi
4½
bues a ls dksbZ ugha
YOU TUBE CHANNEL-SPECIAL TECHNO
437-
438-
439-
WEBSITE- WWW.SPECIALTECHNO.COM
vkUrfjd FkzMs &&&&&ds }kjk dkVs tkrs gSA 1½
VSi
2½
MkbZ
3½
jhej
4½ z FksM pstj
&&&&& es fefyax dVj dks fLiUMy ij mBk;k tkrk gSA 1½
ofVZdy fefyax e’khu
2½
gkWfjtkWUVy fefyax e’khu
3½
Iysuks&feyj
4½
bues a ls dksbZ ugha
ds nkSjku QhM 'kS¶V dks vyx dj nsuk pkfg,A 1½
Qsflax
2½ z FksM dfVax
3½
VfuZ ax
4½
bues a ls dksbZ ugha
YOU TUBE CHANNEL-SPECIAL TECHNO
445-
446-
WEBSITE- WWW.SPECIALTECHNO.COM
1½
lkcqu ikuh
2½
jks ds flu
3½
ykMZ vk;y
4½
bues a ls dksbZ ugha
fMªy ds lk/kkj.k mi;ksx ds fy;s] IokabV dks.k &&&&&& rk gks gSA 1½
600
2½
1180
3½
1200
4½
590
&&&&& fx;j dks dkVus ds fy;s fMQjsU’kh;y bUMs lx fDa dh vko’;drk rh gks gSA 1½
89
2½
48
3½
37
4½
86
YOU TUBE CHANNEL-SPECIAL TECHNO
452-
WEBSITE- WWW.SPECIALTECHNO.COM
1½
xh;j 'ksij
2½
3½
Iysu fefyax e’khu
4½
ks cz p gkWfcax e’khu
4 Vh ih vkbZ ysM Ldzq ysn 17 Vh ih vkbZ dVko ds fy;s mi;qDr ifjofrZr xh;j &&&& rs gks gSA
453-
1½
30]105
2½
20]85
3½
15]85
4½
bues a ls dksbZ ugha
&&&&&& ds ckn ySfiax fd;k tkrk gSA 1½ 3½
jhfeax VªiSfuax
2½
fMªfyax
4½
cksfjax
YOU TUBE CHANNEL-SPECIAL TECHNO
3½
458.
Ø 5-6 mm
WEBSITE- WWW.SPECIALTECHNO.COM
4½
Ø 5-2 mm
H.S.S. toll composition is in ratio of 18:4:1 What does 1 indicates? 1)
Chromioum
2)
cobalt
3)
tungsten
4)
venedium
,p- ,l- ,l cus dfVax Vwy dh dEiksth’ku 18%4%1 vuqikr es rh gks gSA bles vuqikr 1 D;k bafxr djrk gS\
459.
1½
ks dz fe;e
2½
dksckYV
3½
V~UxLkVu
4½
osusfMle
Which one of the followings is positive drive clutch?
YOU TUBE CHANNEL-SPECIAL TECHNO
462.
WEBSITE- WWW.SPECIALTECHNO.COM
Three point internal micrometer is usd for 1)
measure inernal dia
2)
measure depth
3)
measure outside dia
4)
measure thickness
Fkzh IokabV baVuZy ekbdzkes hVj dk iz;ksx fd;k tkrk gSA
463.
1½
van:uh O;kl fd ekiu es
2½
xgjkbZ ekius es
3½
ckgjh O;kl ekius es
4½
eksVkbZ ekius es
Which among the followings is a indirect measuring tool? 1)
Inside caliper
2)
Vernier bevel protractor
3)
Vernier caliper
4)
Inside micrometer
fuEu es ls dkSu buMk;jsDV estfja
y gS\
YOU TUBE CHANNEL-SPECIAL TECHNO
466.
WEBSITE- WWW.SPECIALTECHNO.COM
Which of the following is a solid lubricant? 1)
castor oil
2)
lard oil
3)
grease
4)
graphite
fuEu es ls dkSu lk lkfyM yqc azhdsV gS\
467.
1½
LVj dS vk;y
2½
ykMZ vk;y
3½
xzhl
4½
s xzQkbV
The process of enlarging the end of existing hole to accommodate head of socket head screw is called. 1)
Spot facing
2)
Counter boring
3)
Boring
4)
Counter sinking
YOU TUBE CHANNEL-SPECIAL TECHNO
471.
WEBSITE- WWW.SPECIALTECHNO.COM
1½
1%5
2½
1%10
3½
1%15
4½
1%20
The distance a drill advances into the job in one complete revolution is called. 1)
RPM
2)
Feed
3)
Cutting speed
4)
Depth of cut
,d js iw pDdj aes fMªy ftruk vkxs rk c<+ gS mls D;k dgrs gS\a
472.
1½
vkjih,e
2½
QhM
3½
dfVax LihM
4½
dV dh xgjkbZ
Jig is used for
YOU TUBE CHANNEL-SPECIAL TECHNO
474.
WEBSITE- WWW.SPECIALTECHNO.COM
Which gear drive is use to convert rotary motion into linear motion? 1)
spur gear drive
2)
bevel gear drive
3)
worm gear drive
4)
Rack and pinion drive
jksVjh eks’ku dks yhfu;j eks’ku aes cnyus ds fy;s fdl fx;j Mªkbo dk iz;ksx fd;k tkrk gS\
475.
1½
Lij fx;j Mªkbo
2½
3½
oeZ fx;j Mªkbo
4½
oy cs fx;j Mªkbo jSd vkSj fifu;u fx;j Mªkbo
In grinding wheels which among the following is commonly used bond type. 1)
Vitrified bond
2)
Shellac bond
3)
Rubber bond
4)
Silicate bond
lkekU;% xzkbafMax OghYl aes fdl rjg dk ckaM iz;qDr rk gks gS\ 1½
osVjhQk,s
lsyS
YOU TUBE CHANNEL-SPECIAL TECHNO
3½ 478.
WEBSITE- WWW.SPECIALTECHNO.COM
O;kl
4½
fjyhQ
Negative rack angle is used in lath cutting tool 1)
to cut soft metal
2)
to cut hard metal
3)
to strengthen the tool
4)
none of the above
ysFk dfVax Vwy aes fuxsfo jSd ,axy dk iz;ksx fd;k tkrk gSA 1½ 3½ 479.
eqyk;e /kkrq dh dfVax ds fy;s 2½
dBks j /kkrq dh dfVax ds fy;s
Vwy dks etcw rh nsus ds fy;s
bues a ls dqN ugh
4½
For welding of which of the following metal oxidizing flame is a must. 1)
Brass
2)
Cast Iron
YOU TUBE CHANNEL-SPECIAL TECHNO
483.
WEBSITE- WWW.SPECIALTECHNO.COM
1½
1 ls 7 rd
2½
0 ls 7 rd
3½
1 ls 8 rd
4½
0 ls 8 rd
Find the RPM when HSS cutting toll turing a 50 mm dia mild steel rod with a cutting speed 30 metre per minute?
1½
200
2½
180
3½
187
4½
191
,d 50 feeh O;kl dh ekbYM LVhy jkM dks ,p ,l ,l dfVax Vwy ls VfuZ ax djus ds fy;s izfr feuV pDdjks dh la[;k fudkfy;s tc fd dfVax LihM 30 ehVj izfr feuV gks\ 1½
200
2½
180
3½
187
4½
191
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
lkekU; iz;ksx ds fy, fdl izdkj dh fjfoV dk mi;ksx rk gks gS\
487.
1½
iSu gsM fjosV
2½
¶ySV gsM fjosV
3½
Lusi gsM fjosV
4½
dkmaVj gsM fjosV
Find the turning time for a 150 mm long job if work is to be completed in 5 cuts on lathe with 300 RPM and 0.5 mm per revolution feed? 1)
10 minutes
2)
9 minutes
3)
5 minutes
4)
12 minutes
,d 150 feeh yac s dk;Z ds fy;s VfuZ ax le; fudkfy;s ;fn ysFk dks 300 vkj ih ,e ij vkSj 0-5 feeh izfr pDdj QhM nsdj dk;Z dks 5 dVks es a iw.kZ djuk gks\ 1½
10 feuV
2½
9 feuV
YOU TUBE CHANNEL-SPECIAL TECHNO
490.
WEBSITE- WWW.SPECIALTECHNO.COM
The filler metal used during brazing is an alloy of 1)
Copper and Zinc
2)
Copper an Tin
3)
Lead and Copper
4)
Zinc and Lead
czfs + tax aes fdl feJ/kkrq dk iz;xks rk gks gs\
491.
1½
rkack vkSj tLrk
2½
rkack vkSj fVu
3½
ysM vkS j rkack
4½
ftad vkSj ysM
A 1:50 taper is to cut on a 250 mm long ro (D) Find offset? 1)
2.0 mm
2)
3.0 mm
3)
2.25 mm
4)
2.5 mm
YOU TUBE CHANNEL-SPECIAL TECHNO
494.
WEBSITE- WWW.SPECIALTECHNO.COM
In which case of hardening process ammonia gas is introduced on the job? 1)
Cyniding
2)
Ammonising
3)
Nitriding
4)
Carburising
gkMZfuax ds fdl ks ls iz l aes veksfu;k xSl dks tkWc ds mij izokfgr djrs gS\a
495.
1½
lk;fufMax
2½
veksfuflax
3½
ukbVª kbZfMax
4½
dkcw Zj kbftax
Which type of centre is used for taper turning on lath with offset method? 1)
plane centre
2)
half centre
3)
ball centre
4)
tipped centre
ysFk ij vk¶lsV fof/k }kjk Vsij VfuZx ds fy;s fuEu es ls fdl lsVj dk iz;ksx djuk pkfg;s
YOU TUBE CHANNEL-SPECIAL TECHNO
498.
WEBSITE- WWW.SPECIALTECHNO.COM
Which one of the following elements of screw threads is is checked with the Screw thread micrometer? 1)
Major diameter
2)
Minor diameter
3)
Pitch diameter
4)
Pitch
Ldz w z Fks FksM ekbdkzsehVj ehVj ls Ldz z Ldz Fks w M dk fuEu aes ls ls dkSu lk vo;o psd fd;k tkrk gS\
499.
1½
estj tj O;kl
2½
ekbuj O;kl
3½
fip O;kl
4½
fip
When hardness is increased in a metal,which of the following quality of metal increases? 1)
brittleness
2)
toughness
3)
malleability
4)
tenacity
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
,d Mªkboj iqyh yh dk O;kl 40 ls- eh- gSA ;g 510 vkj ih ,e ij py jgh gSA fMªfou iqyh yh dk O;kl 170 ls- eh- gSA fMªohu iqyh yh dh LihM fudkfy;s\
502.
1½
200 vkj ih ,e
2½
170 vkj ih ,e
3½
120 vkj ih ,e
4½
145 vkj ih ,e
A feeler gauge is used to check. 1)
Radius
2)
Screw pitch
3)
Gap
4)
Surface roughness
Qhyj xst dk iz;ksx fdldks ukeus ukeus ds fy, fd;k tkrk gS\ 1½
f=T;k
2½
Ldz w fip fip
3½
[kkyh txg
4½
lrg dk [kqjnjkiu
YOU TUBE CHANNEL-SPECIAL TECHNO
505.
WEBSITE- WWW.SPECIALTECHNO.COM
3½
jksylZ ylZ ds ds adsnz nz ds chp chp dh jh nw ls
4½
jksylZ ylZ ds lkbt+ lkbt+ ls
Which type of threads is there in lathe’s lead screw? 1)
acme thread
2)
square thread
3)
V thread
4)
none of the above
ysFk Fk ds yhM yhM w Ldz es aesfdl rjg dh pwfM+ f M+;kW ;kW rh gks gS\
506.
1½
,Des pw pwfM+ ;kW ;kW
2½
LDok;j pwfM+ f M+;kW ;kW
3½
oh pwfM+ f M+;kW ;kW
4½
bues ls ls dqN ugha
The combination set can be used to
YOU TUBE CHANNEL-SPECIAL TECHNO
509.
WEBSITE- WWW.SPECIALTECHNO.COM
1½
izkFkfed
2½
n~ohrh;d
3½
f=rh;d
4½
oksfdZ fdZx a
Combination set is used for 1)
marking
2)
grinding
3)
cutting
4)
none of the above
dEchus’ku ’ku lsV dk iz;ksx fd;k tkrk gS
510.
1½
ekfdZ ax aes
2½
xzkbafMx aes
3½
dfVax es
4½
bues ls dqN ugha
Name the gauge in which GO and NO GO GO are at the same end.
YOU TUBE CHANNEL-SPECIAL TECHNO
513.
WEBSITE- WWW.SPECIALTECHNO.COM
1½
Mk;es a’ku ’ku dks ykd ykd djus ds fy,
2½
Cyks xfr xfr nsus fy, fy,
3½
i;kZIr nook cuk;s j[kus j[kus ds fy,
4½
thjks ,MtLVes ,MtLVes aV ds fy, fy,
The angle of flat drill’s forward point is 1)
45 degree
2)
90 degree
3)
120 degree
4)
60 degree
¶ySV fMªy ds vxz vxz Hkkx dk dks.k fdruk rk gks gS\ 1½
45
fMxzh
2½
90 fMxzh
3½
120
fMxzh
4½
60 fMxzh
YOU TUBE CHANNEL-SPECIAL TECHNO
3)
squares
WEBSITE- WWW.SPECIALTECHNO.COM
4)
rectangles.
Mªkbax aes lrg ds [kqjnjsiu dks fdl ls izn r f’kZ djrs gSa\
517.
1½
f=Hkqt ls
2½
o`Rr ls
3½
oxZ ls
4½
vk;r ls
Which of the following is a direct measuring tool? 1)
steel rule
2)
outside caliper
3)
tri square
4)
state edge
fuEu aes ls dkSu lk izR;PNekih vkStkj gS 1½
LVhy :y
2½
vkmV~lkbM dSyhij
3½
VªkbZ LDok;j
4½
LVsV ,t
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
oy cs izkVs ªsDVj dh ,D;w js lh fdruh rh gks gS\
521.
1½
1 min
2½
5min
3½
0-5 degree
4½
1degree
In centre less grinding one is grinding wheel and other is regulating wheel. What is the function of regulating wheel? 1)
to support the grinding wheel
2)
to support the job
3)
for cutting
4)
free running
ls aVjys l xzkba fMx aes ,d kba xz fMx Oghy o ljk nw jsxqyfVax Oghy rs gks gSAa jsxqyfVax Oghy dk dk;Z gS
YOU TUBE CHANNEL-SPECIAL TECHNO
524.
WEBSITE- WWW.SPECIALTECHNO.COM
In marking by punch which one of the following property of point should be same? 1)
length
2)
width
3)
depth
4)
height
iap ls ekfdZ ax ds nkSjku fcanq dk dkSulk xq.k lkeku jguk pkfg,\
525.
1½
yEckbZ
2½
pkS kbZ M+
3½
xgjkbZ
4½
ÅWpkbZ
Which one of the following washer is used at places where loosing of nut occurs due to more vibration and jerks? 1)
tab washer
2)
tapered washer
YOU TUBE CHANNEL-SPECIAL TECHNO
3½ 528.
eSfy,cy vk;ju
WEBSITE- WWW.SPECIALTECHNO.COM
4½
OgkbV dkLV vk;ju
Accuracy of surface depends on which parameter of file 1)
grade
2)
metal
3)
face
4)
angle of cut
fdlh Hkh lrg dh ,D;w js lh Qkby ds fdl iSjkehVj ij fuHkZj djrh gS\
529.
1½
s xzM ij
2½
inkFkZ ij
3½
l Qs ij
4½
drZu dks.k ij
Which one of the following is used for making machines bed and frames? 1)
grey cast iron
2)
chilled cast iron
YOU TUBE CHANNEL-SPECIAL TECHNO
532.
WEBSITE- WWW.SPECIALTECHNO.COM
In a right triangle of 24 cm perimeter If cot (Ɵ)=3/4 what is the value hypotenuse of the tringle? 1)
14
2)
5
3)
10
4)
8
;fn ,d ledks.k f=Hkqt ftldk ifjeki 24 lseh gS aes cot (Ɵ)=3/4 rks ml f=Hkqt fd d.kZ dk eku fdruk gksxk\
533.
1)
14
2)
5
3)
10
4)
8
What is the ratio of main alloying element tungsten, chromium and vanadium in HSS
1½
2½
YOU TUBE CHANNEL-SPECIAL TECHNO
536.
WEBSITE- WWW.SPECIALTECHNO.COM
What is the shape of woodruff key? 1)
rectangular
2)
round and taper
3)
sector of circle
4)
square
oqM:Q pkch dk vkdkj lk dS rk gks gS\
537.
1½
vk;rkdkj
2½
xksy vkSj Vsij
3½
o`Rr [k.M dk vkdkj
4½
oxkZdkj
Brass alloy is made of 1)
copper & aluminum
2)
aluminum & zinc
3)
copper & zinc
4)
zinc & tin
czkl ,ykW; fdu /kkrqvks ls fey dj curk gS\
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1)
1.8 mm
2)
1.4 mm
3)
1 mm
4)
0.8 mm
l Bks rkacs dks dkVus ds fy, gsDlk CysM ds fip dk eku fdruk rk gks gS\
541.
1)
1.8 mm
2)
1.4 mm
3)
1 mm
4)
0.8 mm
What is the method of softening the hard parts of steel for maching? 1)
annealing
2)
hardening
3)
carburizing
4)
none of these
LVhy ds gkMZ ~ ikVZl dks e’khfux djus ;ksX; cukus ds fy;s eqyk;e djus dh fof/k gS 1½
,uhfyax
2½
gMs Zfux
3½
dkcq Zjkbfta
4½
bues ls N ugha
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
3)
four times the dia of rivet
4)
five times the dia of rivet
fdukjs ls fjosV ds adsnz dh vf/kdre jh nw fdruh rh gks gS\
545.
1½
fjosV ds O;kl dk nksxquk
2½
frxquk ds O;kl dk nksxquk
3½
pkSxquk ds O;kl dk nksxquk
4½
ikapxquk ds O;kl dk nksxquk
Convent the temperature of 98.60 F in 0C unit? 1)
370C
2)
37.80C
3)
37.20C
4)
37.60C
0
0
fdruk gks
YOU TUBE CHANNEL-SPECIAL TECHNO
548.
WEBSITE- WWW.SPECIALTECHNO.COM
Screw thread micrometer is used to measure the core diameter and pitch diameter of which type of threads? 1)
acme thread
2)
square thread
3)
V thread
4)
none of these
Ldw FkzMs ekbdzkes hVj ls fdl izdkj ds z FksMl dk dks j Mk;kehVj o fip Mk;kehVj ekirs gS\
549.
1½
,Des z FksM
2½
LDok;j z FksM
3½
oh z FksM
4½
bues ls dqN ugha
Which one of the following components converts A.C. current into D.C. current? 1)
Resistance
2)
Capacitor
YOU TUBE CHANNEL-SPECIAL TECHNO
3)
WEBSITE- WWW.SPECIALTECHNO.COM
¾ ohm
4)
4/3 ohm
,d 2 vkse vkSj 4 vkse ds izfrjks/k dks lekua rj aes tqM+u s ij mudk dqy izfrjks/k fdruk gksxk\
552.
1½
6 vkse
2½
1-5 vkse
3½
3@4 vkse
4½
4@3 vkse
Cone – Pulley is used in lathe for 1)
to adjust the cone of the pulley
2)
to control the speed of spindle
3)
for accurate cutting
4)
none of the above
ysFk aes dksu iqYyh dk iz;ksx fd;k tkrk gSA iqYyh ds dksu dks ,Mts LV djus ds fy;s
YOU TUBE CHANNEL-SPECIAL TECHNO
555.
WEBSITE- WWW.SPECIALTECHNO.COM
What is the unit of specific gravity? 1)
kg/cm3
2)
g/cm3
3)
kg/m3
4)
unit less
fof'k"V ?kuRo dh bdkbZ D;k rh gks gS\
556.
1)
kg/cm3
2)
g/cm3
3)
kg/m3
4)
dksbZ bdkbZ ugha
2½
9420c
Lower critical temperature of steel is
1½
10000c
3½
7230c
4½
5260c
YOU TUBE CHANNEL-SPECIAL TECHNO
560.
WEBSITE- WWW.SPECIALTECHNO.COM
Gun metal is composed off 1)
copper, tin and cobalt
2)
copper zinc and lead
3)
copper, tin and zinc
4)
tin zinc and lead
xu esVy fdldk ;kSfxd rk gks gS\
561.
1½
rkack] fVu vkSj dksckYV
2½
rkack] ftad vkSj ysM
3½
rkack] fVu vkSj ftad
4½
fVu] ftad vkSj ysM
Taper bolt is used for 1)
in coupling
2)
in taper turnin
3)
to hold the job
4)
none of the above
Vsij cksYV dk iz;ksx fd;k tkrk gS 1½
difyax es
Vsij VfuZx es
YOU TUBE CHANNEL-SPECIAL TECHNO
3½ 564.
veksfu;k
WEBSITE- WWW.SPECIALTECHNO.COM
4½
bues ls dqN ugha
Standard pipe fittings are provided with threads confirming with 1)
BSP
2)
BSW
3)
METRIC
4)
BA
LVS.MMZ ikbi fQfVax aes fdl izdkj dh h pwM+ rh gks gS\
565.
1½
ch-a ,l- ih-
3½
ehfVªd
2½ 4½
ch-,l-MCyw ch-,-
What is the maximum percentage of carbon in steel?
1½
1-2 %
2½
3-1 %
YOU TUBE CHANNEL-SPECIAL TECHNO
568.
WEBSITE- WWW.SPECIALTECHNO.COM
Pitch of a three start screw is 3mm. What will be axial travel of the screw after 3 complete rotations? 1)
3.0 mm
2)
4.5 mm
3)
6.0 mm
4)
9.0 mm
,d 3 feeh fip vkS j 3 LVkVZ okyk Ldz w rhu jsiw pDdj aes fdruk vkxs tk;sxk\
569.
1)
3.0 mm
2)
4.5 mm
3)
6.0 mm
4)
9.0 mm
Paralllel blocks are used for 1)
checking
2)
marking
3)
cutting
4)
to check parallelism
iSjsyy CykWDl dk iz;ksx fd;k 1½
psfdax es
2½
ekfdZ ax es
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1)
Nose radius
2)
Side rake
3)
Side clearance
4)
End cutting edge
flaxy ikWbVa dfVax Vwy ds flXkuspj dk lkroka vo;o D;k iznf’kZr djrk gS\
573.
1½
ukst jfM;l
2½
lkbM jSd
3½
lkbM fDy;js l a
4½
bUM dfVax ,t
Which type of teeth is cut in hacksaw blade? 1)
acme thread
2)
square thread
3)
V thread
4)
none of the these
gsDlkW CysM aes fdl izdkj ds rs nka dVs gks rs gS\ 1½
,Des z FksM
2½
LDok;j z FksM
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
1)
Black
2)
Grey
3)
White
4)
Brown
vkWDlhtu flyhsMj dk eq[; Hkkx fdl jax dk rk gks gS\
577.
1½
dkyk
2½
l ?kw ¼xz s½
3½
lQsn
4½
jk Hkw
Which type of threads are used in railway couplings and glass bottles? 1)
acme thread
2)
square thread
3)
V thread
4)
knuckle thread
jsYos difyax o 'kh’ks dh ryks cks aes fdl izdkj dh pwfM+ ;kW cukbZ tkrh gS\ 1½
,Des pwfM+ ;kW
2½
LDok;j pwf M+;kW
YOU TUBE CHANNEL-SPECIAL TECHNO
1½ 3½ 582-
583-
WEBSITE- WWW.SPECIALTECHNO.COM
20 30
2½
25
4½
40
ghjs dh gkMZ l us fdruh rh gks gSA 1½
9-8
2½
9-97
3½
10-0
4½
10-1
flfeUVsM dkckZbV fVIM VwY l dh kbfMa xz x ds fy;s fdldk iz;xks fd;k tkrk gSA 1½
OgkbV ,Y;we hfu;e vkWDlkbM 2½
xzhu flfydu dkckZbV
3½
Cysd flfydu dkckZbV
jsxqyj ,Y;wf efu;e vkWDlkbM
4½
YOU TUBE CHANNEL-SPECIAL TECHNO
3½ 589-
590-
WEBSITE- WWW.SPECIALTECHNO.COM
gkbZ dkcZu LVhy
4½
VaxLVu dkckZbV
fdl kbfMa xz x e’khu dk iz;ksx Hkkjh tkWc dh xzkbfMax ds fy;s iz;xks fd;k tkrk gSA 1½
iks ZVscy bysfDVªd vkWDlkbMj
2½
iS LVy Ms xzkbaMj 3ls.M csYV xzkbMa j
3½
ls.M csYV xzkba Mj
4½
csV xzkba Mj
vkWIVhdy izkQ s kby e’khu aes lcls T;knk fdldk iz;xks fd;k tkrk gSA 1½
,Y;we hfu;e vkWDlkbM
2½
flfydu dkckZbV
3½
Mk;eaM
4½
;s lHkh
YOU TUBE CHANNEL-SPECIAL TECHNO
1½ 3½
WEBSITE- WWW.SPECIALTECHNO.COM
uhyk
2½
yky
lQsn
4½
gjk
596- sjstksukbV ckaM dks s vaxzth ds fdl v{kj ls n’kkZr gS s A
597-
598-
1½
ch
2½
,l
3½
bZ
4½
oh
NksVh iks sVcZ y e’khuks a ij ls dS Oghy iz;xks djuk pkfg,A 1½
lkW¶V xzM s Oghy
2½
gkMZ s xzM Oghy
3½
ehfM;e s xzM Oghy
4½
bues a ls dksbZ ugh
ls a XesV kbfMa xz x Oghy fdl xzkbfMax e’khu ij fQV rs gks gSA
YOU TUBE CHANNEL-SPECIAL TECHNO
603-
604-
WEBSITE- WWW.SPECIALTECHNO.COM
1½
300
2½
450
3½
600
4½
bues a ls dksbZ ugha
laxejej dh xzkbafMx ds fy;s fdl ckaM dk iz;ksx fd;k tkrk gSA 1½
jstksukbM ckaM
2½
jcM+ ckaM
3½
flyhdsV ckaM
4½
esVsfyd ckaM
fQfu"k xzkbfMx ds fy;s vykma l fdruk j[kk tkrk gSA 1½ 3½
0-1&0-35
2½
0-005&0-01
0-025&0-05
4½
2-5&3-5
YOU TUBE CHANNEL-SPECIAL TECHNO
3½ 610-
611-
612-
ofVZdy ysFk
WEBSITE- WWW.SPECIALTECHNO.COM
4½
vkWVksefs Vd ysFk
fdl e’khu dk jkda iw Vªksy dseIysV o Vªe IysV dh lgk;rk ls rk gks gSA 1½
fjokfYoax ysFk
2½
VjsV ysFk
3½
lHkh vkWVksesfVd ysFk
4½
eYVh fLi.My ysFk
fdl ysFk aes Vwy dks mBkus ds fy;s tSd dk iz;ksx fd;k tkrk gSA 1½
ofVZdy ysFk
2½
Vh ysFk
3½
fetkby ysFk
4½
Oghy ysFk
fdl ysFk aes gSM LVkd dh txg VjsVjs LV rk gks gSA
YOU TUBE CHANNEL-SPECIAL TECHNO
617-
618-
619-
WEBSITE- WWW.SPECIALTECHNO.COM
LVª sV jQ VfuZx ds fy;s dkSu lk Vwy iz;ksx fd;k tkrk gSA 1½
csysUl VfuZx Vwy
2½
uh Vwy
3½
ox fLa Vwy
4½
ckWDl Vwy
Vwy LVhy dh xzkbafMax ds fy;s dkSu lk vczfs lo xzkba fMx Oghy mi;ksxh rk gks gSAa 1½
ghjk
2½
,Y;we hfu;evkWDlkbM
3½
jks czks u ukbVªkbM
4½
flfydu dkckZbV
foVªhQkbV ckaM dks HkV~Vh ds vanj fdrus ,Q rkieku ij idk;k tkrk gSA 1½
20000,Q
2½
30000 ,Q
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
624- lj Mªs D;k gSA
625-
626-
1½
s xzM
2½
,czfs lo
3½
Vwy
4½
ckaM
fofHkUu izdkj ds lqj a k[kksdh xzkbfMax fdl Oghy ds }kjk dh tkrh gSA 1½
flXes.V Oghy
2½
ekmfVax Oghy
3½
lkWlj Oghy
4½
LVªVs Oghy
bues a ls dkSu lk izkd`frd z ,csflo ugh gSA 1½
dks j.Me
2½
dkcks ZykWu
YOU TUBE CHANNEL-SPECIAL TECHNO
4½ 631-
WEBSITE- WWW.SPECIALTECHNO.COM
mi;qZDr aes ls dksbZ ugha
ysFk dh og bdkbZ D;k dgykrh gS ftles a xfr p;u ds fy, ysFk LiMy fa j vkS fu;a =.k yhoj rk gks gS
632-
1½
gsM LVkWd
2½
Vsy LVkWd
3½
QhM ckWDl
4½
jht ds
Iykfuax e’khu dk vkS kj t+ LV iks p<+ k;k tkrk gS\ 1½
,izu ij
2½
dzkWl jsy ij
3½
Dysij ckWDl ij
4½
lSMy ij
YOU TUBE CHANNEL-SPECIAL TECHNO
3½ 638-
WEBSITE- WWW.SPECIALTECHNO.COM
Vsi z j FksM
4½
dks z bZ FksM ugha
fuez aes ls fdl dk;Z ysFk dk;Z ds fy;s ;g vko’;d gS fd vkS kj t+ fcV dk dkVkbZ fljk Bhd dk;Z ds adsn& z js[kk ij fLFkr jgsA
639-
1½
cksfjax
2½
fMªfyax
3½
Qsflax
4½
VfuZ ax
ysFk a lsVj fuez ekud Vsij ds lkFk fn;k tkrk gSA 1½
eklZ
3½
esfVªd
2½ 4½
fczfV’k 'kkiZ
640- js Hkw j vkS 'kkiZ Vsij dk iz;ksx lk/kkj.kr;k fd;k tkrk gS
YOU TUBE CHANNEL-SPECIAL TECHNO
645-
646-
WEBSITE- WWW.SPECIALTECHNO.COM
3½
iap vkS j Mk; nks a uks ij
4½
fcYdqy iznku ugha fd;k tkrk gS
ysFk ij psflax Mk;y dk mn~n’s ; ;g kIr iz djuk gS 1½
Vsij VfuZ ax
2½
Vsi z j FksM dh dVkbZ
3½
cgq z FksM dh dVkbZ
4½
izR;sd dVkbZ ds igys lgh z ls FksM dks idM+uk
ysM Ldz w ls ds jht rd ikoj ka lehV Vª blls rk gks gS 1½
xh;j ckWDl
2½
oeZ vkSj xh;j
YOU TUBE CHANNEL-SPECIAL TECHNO
WEBSITE- WWW.SPECIALTECHNO.COM
650- = ;a thou lair gqvk ekuk tkrk gS ;fn
651-
1½
[kjkc lrg fQfu’k izkIr gks
2½
'kfDr aes vpkud o`f) gks tk, j vkS [kVdus dh vkokt gks
3½
?k"kZ.k ds dkj.k vfr rkiu rk gks gS
4½
mi;qZDr lHkh
,d fefyax dVj dh fo’ks"krkvks a aes ls dkSu lh p<+ kbZ ds fy, lcls mi;qDr gS\ 1½
oka;k gkFk dfVax
2½
r a nkW lkezxh dkckZbM gS
3½
cM+ k fudklh vkSj jsd dks.k
4½
r nkW lh/ks dVj dh jh /kq ds ikl gks
YOU TUBE CHANNEL-SPECIAL TECHNO
656-
657-
658-
WEBSITE- WWW.SPECIALTECHNO.COM
fuez xst dk iz;ksx fNnz dh tkap ds fy, rk gks gS 1½
fjax xst
2½
L=si xst
3½
Iyx xst
4½
Mk;y xst
,d fx;j Oghy aes 36 r nka vkSj 3 ehehekWM;wy rs gks gS] a mldk fip O;kl gS\ 1½
12 eheh
2½
75 eheh
3½
80 eheh
4½
108 eheh
fuja rj
2½
vfuja rj
YOU TUBE CHANNEL-SPECIAL TECHNO
663-
664-
WEBSITE- WWW.SPECIALTECHNO.COM
Ikqyh ij kS dz fuax ls lgk;rk rh gks gS 1½
osx vuqikr c<+ kus aes
2½
csYV dh fLyi jksdus aes
3½
osYV voLFkk dks vius vki O;ofLFkr djus es a
4½
csYV ,.M iqyh thou&dky c<+ kus aes
e'khu vkS kj t+ dk ,d lewg ftls ,d bdkbZ es a vuqdze aes O;ofLFkr fd;k tkrk gS tks Lopkfyr rk gks gS] dgykrk gSA 1½
lQj Vªka e’khu
2½
ekud e’khu vkS kj t+
3½
fo’ks"k mn~n’s ; e’khu
4½
bues a ls dksbZ ugha
YOU TUBE CHANNEL-SPECIAL TECHNO
669-
670-
671-
WEBSITE- WWW.SPECIALTECHNO.COM
,d xzkbafMax Oghy dh Mªfs lax vkSj VfuZ ax Z gS\ 1½
Bhd leku dk;Z
2½
leku = ;a ls fd;k x;k dk;Z
3½
oy ds eksV s filkbZ Oghy ls fd;k x;k
4½
oy ds Qks je xzkabfMax dh fy,
jsd fefyax ds fy, vkcZj ij fx;j dVkbZ dh voLFkk gS\ 1½
dkWye ds utnhd
2½
vkcZj lgk;d ds utnhd
3½
chp aes
4½
vkcZj dh fdlh fcUnq ij
ueZ /kkrq ds fy, fMªy dh igpku vki dSl s djrs gS\a
YOU TUBE CHANNEL-SPECIAL TECHNO
4½ 675-
WEBSITE- WWW.SPECIALTECHNO.COM
eki dh v’kq +f) + gVkuk
;g lekU;r;k ik;k tkrk gS fd xzkbafMax Oghy dk lkeus dk Hkkx dqN bLrseky ds ckn pedhyk vkSj fpduk ;k pednkj gks tkrk gSA bldk dkj.k fuez iznRr aes ls ,d gS\
676-
1½
Oghy dk s xzM dkQh dBks j gS
2½
Oghy ds fy, vi?k"kZd mi;qDr ugha gS
3½
nkuk vkdkj cgqr eksVk gS
4½
Oghy dh jpuk la cgq r [kqyh gS
VSi dk iz;ks z x FksM dkVus ds fy, rk gks gS 1½
Hkhrjh
3½
nks a uks
2½ 4½
ckgjh dksbZ ugha
YOU TUBE CHANNEL-SPECIAL TECHNO
682-
WEBSITE- WWW.SPECIALTECHNO.COM
1½
dks.k IysV
2½
Sinebar
3½
cscsy izkVs Ds Vj
4½
dks.k xst
QkeZ dh tkap ds fy, nqdku dh eafty aes fuEufyf[kr midj.kks a esa ls dkSu lk iz;xks fd;k tkrk gS] ony fn;k tk jgk gS\a
683-
1½
[kkdk
2½
LuSi xst+
3½
Mk;y ijh{k.k lwp d vkSj iphZ xst+
4½
Vwy #e ekbdz Ldks ks i
rks nka a dh la[;k vkSj fip o`Rr O;kl dk vuqikr dgykrk gS
YOU TUBE CHANNEL-SPECIAL TECHNO
3½ 688-
WEBSITE- WWW.SPECIALTECHNO.COM
¶ys ad
4½
ekWM;wy
fuez aes ls dkSu z lk FksM Lo:Ik z FksM fd, Hkkx ij fn;k tkrk gS tgka ncko ka lfe’ku Vª ds nkSjku z FksM ds ,d rjQ fn;k tkrk gS\
689-
1½
V thread
3½
Knuckle therad
2½ 4½
Square thread Buttress thread
fuEkz izdkj dk uV ,ysu cksYV ds lkFk iz;qDr rk gks gS\ 1½
,ysu uV
2½
gsDlkxksuy uV
3½
LyksVsM uV
4½
mi;qDr aes ls dksbZ ugha
YOU TUBE CHANNEL-SPECIAL TECHNO
694-
WEBSITE- WWW.SPECIALTECHNO.COM
1½
2 lseh aes 32 la[;d esfVªd z FksM
2½
32 oxZ eheh ds fr;Zd dkV ds lkFk esfVªd z FksM
3½
32 eheh ckgjh O;kl vkSj 2 eheh fip dk esfVªd z FksM
4½
z 2 FksM izfr ehVj okys 32 eheh ukfer O;kl dk cksYV
tc ,d dk;Z ds VqdM+ s dks Iykfyax e’khu aes yxkrs gS a rks mls yack D;ks a idM+ rs gS\a 1½
dk;Z ds VqdM+ s dks yackbZ aes Hkjuk vklku rk gks gS
2½
vkn’kZ le; U;wure fd;k tk,xk
3½
lrg xq.krk lq/kjsxh
4½
vkS kj t+ thoudky c<+ sxk
YOU TUBE CHANNEL-SPECIAL TECHNO
3½ 699-
700-
701.
WEBSITE- WWW.SPECIALTECHNO.COM
fpIl gVkus aes lgk;rk djuk 4½
mi;qDr
ikbi aes fjlko tksM+ dks dlus ds fy, fuez izdkj dk z FksM lokZf/kd mik;qDr gS 1½
esfVªd
2½
oxZ
3½
Acme
4½
NPT (national pipe threads)
xh;j ckWDl dk iz;ksx rk gks gS 1½
VksdZ cukus ds fy,
2½
xfr de djus ds fy,
3½
pj xfr izkIr djus ds fy,
4½
iz.kkyh dh n{krk c<+ kus ds fy,
Nw gS V- belt Mªkbo aes] csYV rk
YOU TUBE CHANNEL-SPECIAL TECHNO
706-
707-
708-
WEBSITE- WWW.SPECIALTECHNO.COM
fuez aes ls dkSu ,d xh;j dks fQfu’k djus dk dk;Z gS 1½
gksfcax
2½
'ksfiax
3½
fefyax
4½
'ksfoax
fVªfeax dh izfdz;k blls lEc) gS 1½
l izs dk;Z
3½
/kkrq dh iksfyf’kax
2½ 4½
QksfTkZxa e’khfuax
,d Å/okZ/kj cksfjax e’khu aes dk;Z VqdM+ k vkSj vkS kj t+ dh xfr dze’k% rh gks gSA 1½
LFkSfrd vkSj ?kw. kZu
2½
?kw. kZu vkSj ifjorZuh;
You Tube Channel-Special Techno
Website- www.specialtechno.com
710.Material having cutting speed is A) Aluminum
B) Bronze
C) Cast iron
D)High carbon
fuezre dVkbZ xfr okyk inkFkZ gSA v½ vY;qehfu;e
c½ dka lk
l½ dkLV yksgk
n½ mPp dkcZu bLikr
711.Angle between the tool face and a line tangent to the machined surface at the 711.
cutting point is known as
fcUnw in e’khu lrg ds vkStkj eq[k vkSj md Vs at asV js[kk ds chp dk dks.k dgykrk gS
v½ fyi dks.k
c½ jsd dks.k l½ dVkbZ dks.k
n½ fDy;js al dks.k
712.For machining copper, the rake angle provided is A) Zero
B) Negative
C) positive
D) None of the above
You Tube Channel-Special Techno
Website- www.specialtechno.com
c½ U;wu re O;kl 1bap vkSj vf/kdre O;kl 48 bap gS l½ O;kl dk varj48 zbap gSA n½ U;wure O;kl 1 bap vks j iw. kZ yackbZ 48 bap 715.The following type of jig is used to drill a series of equidistant hole along a circle A) Index jig
B) Plate type jig
C) Open type jig
D) Pot type jig
715. fuez izdkj ds ftx dk iz ;ksx ,d foÙk ij leku nwjh ds fMªy djus ds fy, gksrk gS
v½ baMDs l ftx
c½ IysV izdkj ftx
l½ [kqyk izdkj ftx
716.The jigs and fixture can be constructed through
n½ ikWV izdkj ftx
You Tube Channel-Special Techno
A) Grooving
B) Knurling
Website- www.specialtechno.com
C) Reaming
D) None of above
aks dks IykfLVd fo:i.k dslkFk pksVh vkSj njkj esa ladqfpr djrh gS 719.dkSu lh izfØ;k /kkrwv v½ xz wfoax
c½ ufyZx
l½ fjfeax
n½ mi;qZDr es a ls dksbZ ugha
720.Which of the following is/are part of carriage of a center lathe? A) Tool post
B) Apron
C) Compound rest
D)All of these
720.fuez es a ls dkSu ,d ls aVj ysFk ds dsfj,t dk Hkkx gS\
v½ Vwy iks LV
c½ ,izu
l½ daikmaM
n½ bues a ls lHkh
721.Plug gauges are used to A) Measure the diameter of the work pieces B) Measure the diameter of the hole in the work pieces
You Tube Channel-Special Techno
v½ NksVk f=dks.k
Website- www.specialtechno.com
c½ NksVk o`Ùk
l½ NksVk oxZ
724.The function of a jig is/are A) Holding
B) Locating
C) Guiding
D) All of these
724.,d ftx dk dk;Z gksrk gSA
v½ idM+uk
c½ LFkku fu;r djuk l½ fn’kk fn[kku k
n½ bues a ls lHkh
725.A fixture does not function of A) Holding the work piece
B) Locating the work piece
C) Guiding the tool
D) All of the above
725.,d fQDlpj bldk dk;Z ugha djrk gSA
v½ dk;Z ds VqdM+ s dks idM+uk
c½ dk;Z ds VqdM+ s dk LFkku fu;r djuk
n½ NksVh vk;
You Tube Channel-Special Techno
Website- www.specialtechno.com
728.dk;Z ds VqdM+ s dk vafre fljk blds iz;ksx ls vk/kkj fn;k tkrk gS-
v½ gsMLVksd
c½ VsyLVksd
l½ Vwy iksLV n½ mYysf[kr esa ls dksbZ ugha
729.Which of the following can be used to reverse the direction of lead screw relative to the direction of spindle movement? A) Speed lever
B) Feed Lever
C) Tumbler Gear Lever
D) Friction clutch
729.fuez es a ls fdldk iz;ksx fLi.My xfr dh fn’kk ds lkis{k yhM LØzw dh fn’kk cnyus ds fy, gks rk
gS\ v½ xfr yhoj
c½ QhM yhoj
l½ Vacyj fx;j yhoj
730.Which of the following is also known as Puppet head?
n½ ?k"kZ.k Dyp
You Tube Channel-Special Techno
Website- www.specialtechno.com
v½ D-d/2L
c½ D-d/L
l½ D-d/2
n½ D-d
733.For turning internal tapers the suitable method is. A) by a form tool
B) by setting over the tail stock
C) by a taper turning attachment
D) none of the mentioned
733.Hkhrjh Vsij dks ?kwekus ds fy, mi;qDr i)fr gS\
v½ ,d QkeZ vkStkj }kjk l½ Vsij VfuZx a layxzd }kjk
c½ Vsy LVkWd dh lsfVax }kjk n½ mYysf[kr esa ls dksb Z ugha
734.The tail stock set over method of taper turning is preferred for A) internal tapers
B) small tapers
C) long slender tapers
D) steep taper
734.Vsij VfuZ ax dh Vsy LVkWd lsV vksoj i)fr blds fy, ojh;rk ikrh gS\
You Tube Channel-Special Techno
Website- www.specialtechno.com
Hkkx ds ,d ?kw. kZu es a /kzqoh; izxfr FkzM s dh ---------dgykrh gS\ 737. LØwM v½ fip
c½ yhM
n½ हेिल
l½ fip O;kl
738.An operation performed for enlarging an existing hole up to only limited length from its one end. A) Boring
B) Drilling
C) Counter-boring
D) Counter-sinking
738.,d fo|eku fNnz dks dsoy lhfer yackbZ esa mlds ,d fljs ls c<+ kus ds fy, fd;k x;k dk;Z gS\
v½ cksfjax
c½ fMªfyax
l½ dkmaVj &cksfjax
n½ dkmaVj & flafdax
739.The greater the ----------stronger is the tool. A) Nose radius
B) Lip angle
C) Clearance angle
D) Side cutting edge angle
You Tube Channel-Special Techno
Website- www.specialtechno.com
C) Screw cutting Lathe(Automatic) Lathe(Automati c)
D)Duplicating D)Duplicati ng Lathe
dkj ds ys ysFk Fk pyk;k tkrk gS742.dSEl vkS j IysV ds ek/;e ls fuez iz dkj v½ fizfllu ysFk Fk
c½ ØSd’kk¶V d a ’kk¶V ysFk Fk l½ LØw dfVa dfVax ysFk Fk ¼Lokpfyr½ n½ Mw Iyhds IyhdsfVa fVax ysFk Fk
743.The following part of Lathe serves as housing for the driving pulleys and back gears A) Head stock
B) Tail stock
C) Bed
D) Carriage
fuez Hkkx Mªkbfoax iqyh yh vkSj cSd fx;j dks j[kus ds fy, gksrk gS743.ysFk ds fuez v½ gsM LVkWd
c½ Vsy LVkWd l½ csM
n½ dsfj,t fj,t
744.Type of taper used on spindle nose of the lathe head stock A) Jerno taper B) Brown and sharp taper C) Pin taper D) Morse taper
You Tube Channel-Special Techno
Website- www.specialtechno.com
Fk vkdkj ns ldrk ldrk gS ds ds oy 747.ysFk v½ oxkZdkj tkWc dks c½ csyukdkj yukdkj tkWc dks
l½ vk;rkdkj tkWc dks
n½ fdlh vkdkj dks
748.The lathe is a machine tool used for A) Shaping the metal
B) Threading the metal
C) Facing the metal
D) All of these
sFk ,d e’khu vkStkjgS ftldk iz;ksx blds fy, fd;k tkrk gS 748. y v½ /kkrq dks vkdkj nsus
c½ /kkrq dks z FksfMa fMax djus
l½ /kkrq dks Qs Qsfax djus
749.In lathe the position of tool post is A) Above the carriage
B) Below the carriage
C) Right side of the carriage
D) Left side of the carriage
n½ bues a ls ls lHkh
You Tube Channel-Special Techno
Website- www.specialtechno.com
Fk e’khu es a dksu iwyh Mªkbo dk dk;Z D;k gS752.ysFk v½ yhM LØw pykuk
c½ fLi.My xfr dks cnyuk l½ Vsy LVkWd dks pykuk
753.Which of the following is a mechanism for mechanized movement of the carriage along longitudina l ongitudinall axis? A) Cross slide B) Compound rest C) Apron D) Saddle
a dkS dkSu dsfj,t fj,t ds yEcor yEcor /kqjh ij ;kaf=d f=d xfr djus dk dk rjhdk gS\ 753.fuez es ls v½ ØkWl LykbM
c½ daikma ikmaM Lv js l½ ,izu
n½ lSMy
754.In lathe centers maximum frictional force is produced at A) Live center
B) Dead Center C) Neutral axis D) None of these
Fk ls aVj Vj es a vf/kdre vf/kdre ?k"kZ.k cy curk gS754.ysFk
n½ mi;q ZDr lHkh
You Tube Channel-Special Techno
Website- www.specialtechno.com
;ksx /kWal Hkkx s Hkkx dks idM+ idM+us dsfy, fy, gksrk gS tc ysFk Fk ij muds c kgjh lrg dks e’khu 757.fuez dk iz;ks es a yxk;k tkrk gSv½ es aMªksy
c½ MkWXl l½ Mªkbfoax IysV
n½ ,axy xy IysV
758.In lathe the gears are used for affecting ---------------in spindle speeds, thereby facilitating wider range speed. A) Increase B) Reduction C) Increase or reduction
D) None of the above
Fk esa fiNys fx;j dk iz;ksx fLi.My xfr esa -----------izHkkoh djus ds fy, fy, gksrk gS] ftlls xfr xfr dh 758.ysFk cM+ h lhek lqyHk yHk gks lds ldsv½ o`f)
c½ deh l½ o`f) f) ;k deh
n½ mi;q ZDr es a ls ls dksbZbZ ugha
759.A desired speed of --------------can be obtained by selecting the suitable change gears
You Tube Channel-Special Techno
Website- www.specialtechno.com
A) Steady rest B) Follower rest C) Compound rest
D)All of the above
Fk ij dsUnz Unzk ds s a ds chp chp yacs tkW tkWc dks ?kq ?kqekus ds fy, gksrk gS 762.fuezfyf[kr dk iz;ksx ysFk v½ fLVMh js LV
c½ Qksyksoj LV js l½ daikma ikmaM LV js
n½ mi;qZDr lHkh
763.The following is used to support too flexible job very close to the cutting edge. Steady
B) Follower
C) Compound rest
D) All of the above
;ksx dVkbZ fljs fljs ds cgq cgqr utnhd vf/kd yphys tkWc dks vk/kkj vk/kkj nsus u ds s ds fy, fd;k 763.fuez dk iz;ks tkrk gSv½ fLVMh jsLV
c½ Qksyksoj LV js l½ daikmaM jsLV
n½ mi;q ZDr lHk
764.Which of the following attachments can be used on center lathe? A) Grinding
B) Milling
C) Copying
D) All of the above
A)
You Tube Channel-Special Techno
Website- www.specialtechno.com
767.To cut a screw of 3mm pitch on Lathe machine having same speeds of spindle and lead screw, the tool should move, parallel to the axis of the work, a distance of -------for very revolution of the spindle. A) 1.5mm b B) 3mm
C) 4.5mm D) 6mm
767.fLi.My vkSj LØw dh xfr okys ys Fk e’khu ij 3eheh fip dk LØw dkVus ds fy,] dk;Z dh /kqjh
के lekukarj fLi.My ds izR;sd ?kw.kZu ds fy,---------dh nwjh rd vkStkj ?kweuk pkfg,A v½ 1-5eheh
c½ 3 eheh l½ 4-5eheh
n½ 6 eheh
768.In cutting Right hand threads, the spindle and lead screw rotation in the. A) Same direction B) Opposite direction
You Tube Channel-Special Techno
Website- www.specialtechno.com
B) Finish feed marks C) To make the sharp corners perfectly square D) All of the above
770.e’khu lrg ij fQfyax dh tkrh gS-
v½ ?kM?kjkgV gVkus ds fy,
c½ QhM fu’kku fQfu’k djus ds fy,
l½ rh[ks dksu aks dks iw. kZ oxZ cukus ds fy,
n½ mi;qZDr lHkh
771.A Turret (square) tool post can accommodate -------- tool (S) A) One
B) Two
C) Three
D) Four
771.,d VqjsV ¼oxZ½ vkStkj iksLV ---------vkS tkj gks ldrs gS-
v½ ,d
c½ nks l½ rhu
n½ pkj
You Tube Channel-Special Techno
Website- www.specialtechno.com
775.fofo/k VfuZx gsM dk iz;ksx eq[;r% fd;k tkrk gS
v½ lsVa j ysFk ij
c½ Vq jsV ysFk ij l½ dSiLVsu ysFk ij n½ mi;qZDr lHkh
776.Which of the following option best describes the centre lathe? A)Machining machines
B) Shaping machines
C) Turning machines
D) None of the above.
776.fuez es a ls dkSu dkSu lk fodYi ls aVj ysFk dh lgh O;k[;k djrk gS\
v½ e’khu dks e’khu es a yxkuk l½ e’khu dks ?kqekuk fLoax vksoj dsfj,t D;k gS\
c½ e’khu dks vkdkj nsuk n½ mi;qZDr esa ls dksbZ ugha
You Tube Channel-Special Techno
Website- www.specialtechno.com
ku djus] fu;rdjus vkSj dlus ds िलए 779.fuez es a ls fdl inkFkZ dk lkekU; iz;ksx fQDlpj es a fu’k gksrk gS\ v½ mPp dkcZu bLikr
c½ fuez dkcZu bLikr l½ mPp xfr bLikr
n½ Mkb bLikr
780.The built up edge in cutting tools can be eliminated by A) Fast cutting speed
B) Higher rake angle
C) High pressure cutting D) All of above
780.dVkbZ vkStkj esa fljs dh cukoV blls gVkbZ tk ldrh gS-
v½ rst dVkbZ xfr
c½ mPp jsd dks.k
l½ mPp nckc dVkbZ nzO;
n½ mi;qZDr lHkh
You Tube Channel-Special Techno
Website- www.specialtechno.com
C) Remove the material from end surface of a work piece D) All of above
784.Vsij VfuZx izfØ;k dk dk;Z gS-
v½ dk;Z ds VqdM+s ds O;kl dh yackbZ es a de djuk c½ dk;Z ds
VqdM+ s dh /kqjh ls /kqjh vkWQlsV ij lkexz h gVkdj O;kl dks de dju
l½ dk;Z ds VqdM+ s ds vafre lrg ls lkexzh gVkuk n½ mi;qZDr lHkh 785.The foundation of the center lathe is called as A) Carriage B) Tray C) Base D) Bed
785. ls aVj ysFk dk vk/kkj dgykrk gS
You Tube Channel-Special Techno
Website- www.specialtechno.com
A) Aluminum B) Bronze C) Cast iron D) High carbon steel
789. mPpre dVkbZ xfr okyk inkFkZ gS-
v½ vY;qehfu;e
c½ dka lk l½ dkLV yksgk
n½ mPp dkcZu bLikr
790.A jib is provided between the top slide and the swivel base assembly of the compound slide. Its purpose is to (a) Allowing dismantling the top slide easily (b) Eliminate the backlash of the screw and the nut in the assembly (c) Adjust the slackness developed due to wear (d) Permit flow of the lubricant between the sliding surfaces
के बीच एक जब दान कया जाता ता है .एक शीष जब और वस बे स अस बली के (ए ) आसानी से शीष लाइड को न करने क अनु मत
के backlash को हटाद (बी ) असबली म पच और अखरोटके (सी ) पहनने नेकेके कारण वकसत slackness समायोजत कर
यौगक यौ ला लाइड इसका का उेय है
(ए ) डी
फुट (बी ) टेपर तफु
(सी ) ममी
(डी ) रेडयंस
793The capacity of a lathe is expressed as (a) Horsepower and chuck diameter
(b) Swing and distance between centres
(c) Bed length and spindle speed
(d) Tool post size and lathe trav
खराद क मताकेके प म कया या जाता है (ए ) हॉस पावर और चक ास
(बी ) क के के बीच वं वंग और री
(सी ) बतर क लं बाई और धु रीगत
(डी ) उपकरण पोट आकार और खराद याा
794.The carriage of a lathe travels along which axis? (a) "B" axis
(b) "Z" axis
(c) "Y" axis
(d)"X"axis
797. Which one of the following centres is suitable while cutting taper by set over method? (a) Plain centre (b) Half centre (c) Ball centre
(d) Revolving centre
नेकेके दौरान ननलखत म से कौन सा क उपयु तरीका है . सेट अप ारा टडर काटने (ए ) सादा क
(बी ) आधा क
(सी ) बॉल सटर
वाला ला क (डी ) घूमने
798. Which one of the following is used to hold the workpiece for machining diameter concentric to its hole / bore? (a) Face plate
(b) Mandrel
(c) Three-jaw chuck (d) Four-jaw chuck
A. कटग एज पर B. छे नीके के हेड पर C. बच वाईस पर D. उ परो मे से कोई नह
A. शुक पॉउडर अनशामक
D. 100mm A. वी ू व केके कोण से B. लबाई se C. आकृ कृत से D. लबाई X चौड़ाई X ऊं चाई
C 0.002 mm / 10mm D 0.02 mm / 10mm 808.Which one of the following tool posts is easy for setting the tool centre height of the tool in a lathe? (a) Open side tool post (c) Four-way tool post
(b) Single screw tool post (d) Universal tool post
ऊंचाई को सेट करनेकेके लए नन म से कौन सा टूल पोट आसा सान है 808. टूल सटर कऊं एक खराद म उपकरण ? (ए ) ओपन साइड टूल पोट
(बी ) सगल ू
टूल पोट
सी दए गए डाटाम को उबाऊ करनेकेके लए वक पीस को संरे खत करना (ए ) कसी ऊंचाई पर सेट करना ना (बी ) उपकरण को सही क ऊं लाइडकेके गाइडवे म ढला लापन समायोजत करना ना (सी ) ॉस - ला (डी ) वक पीस को मजबूती से पकड़ना 811.Which among the following statements is NOT correct? (a) A faceplate is similar to the magnetic chuck. (b) For accurate setting of the job on the faceplate, dial test indicator is used. (c) To check the balance of the faceplate work, spindle drive should be disconnected. (d) 'V’ block is essential for holding round job on faceplate 811. ननलखत म से कौन सा कथन सही नह है ?
ड़े चक और एक पाइप क केके साथ समथ नकेके बीच होडं डंग। (बी ) एक तीन -जबड़े के बीच एक वभाजत मंडल और मशीनग पर होडंग। (सी ) क के के बीच शंकुकु मंडल और मशीनग पर होडंग। (डी ) कके
813.The matching scroll threads on the back faces of the chuck jaws of a concentric chuck are (a) Equal in numbers but unequal in pitch. (b) Unequal in numbers but equal in pitch. (c) Unequal in numbers and unequal in pitch. (d) Equal in numbers and equal in pitch.
के पीछे छे चे हरेपर मलान ॉल धागे 813. एक सांक चक जबड़ेके
(c) Cutting threads by chaser gives better finish (d) The same chaser can be used for cutting any pitch of thread irrespective ofthe type of chaser used
के संबंबधं म ननलखत म से कौन कौ सा कथन सही ही है ? 815. चाजसके (ए ) चेज़ र एक ब ब काटने का उपकरण है
का ना एक ब ब से इसक तुलना म धीमी या या है (सी ) चेज़र ारा धागे गे काटना का ना बेहतर खम (बी ) ए क चेज़ र ाराेड काटना देता है (डी ) ए क ही चे ज़र का उपयो योग कसी भी का कारकेके धागे गे को काटने नेकेके लए कया या जा सकता ता है
इतेमाल कए गए चे ज़र का
कार 816.Which among the following statements in respect of the lathe cutting tools is correct ? (a) Red hotness temperature is higher for high carbon steel tool than that ofcarbide tool (b) The property of tool chipping off with vibration is more for cemented carbidetools than that of HSS tools
818.Helix angle is found on (a) feed rod of lathe
(b) threading tool
(c) threaded workpiece (d) taper turning attachment 818. हेलीस कोण पर पाया जाता है (ए ) खराद
(बी ) ेडग उपकरण क फ़ड रॉड
(सी ) ेडेड वक पीस (डी ) टडर मोड़ लगाव
819. The width of the tool used to cut 10 mm pitch square thread is (a) 10 mm (b)7.5mm (c) 5 mm (d) 2.5 mm
के लए इते तेमाल उपकरण क चौड़ा ड़ाई है 819. 10 ममी पच वग धागा काटनेके
(c) prevent them from getting corroded (d) be used only on automatic threading machines 822। टै स सतह से इलाज कर रहे ह (ए ) उपथत म सुधार (बी ) पहनने तरोध संप म सुधार (सी ) उह खराब होने से रोक
केवल वचालत ेडग मशीन पर इतेमाल कया जाना चाहए (डी ) के 823.To enable a nut to fit properly on a bolt of square threads, the width of the internal square threading tool should be a) slightly more than the half pitch (b) slightly less than the half pitch (c) equal to the half pitch
(d) equal to the pitch
के उपकरणकेके लए ननलखत म से कौन सी सामी कसी सीकेके लए जाली ली जा सकती है 825. खराद काटनेके वांछत आकार ? (ए ) हाई पीड टल (बी ) उच काबन टल (सी ) उपह
(डी ) टंगटन काबाइड
826.A brass shaft is to be turned to a surface roughness Ra = 0.8, with high cutting speed. Which one of the following cutting tool materials is most suitable ? (a) High speed steel (b) High carbon steel (c) Low alloy steel
(d) Cemented carbide
के साथ सा एक सतह खु रदरापन Ra = 0.8 म ब दलना है 826. एक पीतल शाट को उच काटनेके गत। ननलखत म से कौन सा काटने क सामी सा सामी सबसे से उपयु यु है ? (ए ) हाई पीड टल
(बी ) उच काबन टल
(c) Plastic
(d) Grey cast iron
के साथ सा एक काबाइड टप टूल का उपयोग खराद पर कया या जाता ता है । इनम से कौन कौ सा सा 828. नीली अंकनके ननलखत उपकरण इस उपकरणकेके साथ machined कया जा सकता है ? (ए ) पीतल
(बी ) टल
(सी ) लाटक (डी ) े काट आयरन 829.Hand chasers are used for (a) quick production of threads (b) cutting threads on soft metal directly (c) rectifying threads cut on steel rods which are distorted (d) rectifying crest and root of threads formed by single point tool 829. हड चाजस का उपयोग कया जाता है
वक पीस अ के साथ 60 डी पर टूलएसस केके साथ वक पीस क क ऊंऊंचाई पर बकु कु ल (बी ) वक पीसके एसस (सी ) वक पीसके के साथ 45 डी पर टूलएसस केके साथ वक पीस क क ऊंऊंचाई पर बकु कु ल
एसस के साथ 30 डी पर टूलएसस केके साथ वक पीस क क ऊंऊंचाई पर बकु कु ल (डी ) वक पीसके एसस 831. Which among the following statements is suitable to get better finish by turning ? (a) Increase the speed and feed (b) Reduce the speed and feed (c) Increase the speed and reduce the feed
A. लबाई से B. चौड़ाई से C. ऊं चाई से D. नंबरो से 834) For softer material the point angle of drill is (a) increased
(b) decreased
(c) point angle has nothing to do with type of material
838) The recommended value of rake angle for machining aluminium with high speed steel tool is (a) 0°
(b) 5°
(c) 15°
(d) 25°
(e) 35° 839) The recommended value of rake angle for machining aluminium with cemented carbide tool is (a) 0°
(b) 5°
(c) 15°
(d) 25°
(e) 35° 840) The normal back rake angle of carbide single point cutting tool for machining aluminium is of tha order of
Reamer is used to prepare the hole in perfect size.
ले से ल कये गये ये A. पहले
होल को / The already drilled hole
के ारा फनश कये ये गये ये होल / Hole finishes by drill B. लके C. बोरग कये गये होल को / To the boring hole
को नह / None of these D. इनमे से कोई कैसे नका कालते है ? 844.रीमर को होल से बाहरकै How to remove Reamer out of the hole. A. By pulling it out without turning. / बना ना मोड़केके बाहर खचकर। B. By pulling and turning in the cutting direction. / काटने क दशा म ख चकर और मोड़ कर। C. By pulling and turning in against the cutting direction. / काटने क दशा शाकेके खला लाफ खचकर और मोड़
कर। D. By pulling and turning to and fro./ खचकर और मोड़कर।
(ए ) सैडल (बी ) फ़ड रॉड (ग ) आबर (डी ) लीड ू 847. The headstock of a lathe is situated at the (a) Right-hand end of the lathe bed (b) Left-hand end of the lathe bed (c) Middle of the lathe bed (d) Bottom of the lathe bed
ने का आंदोलन दो नयं यंत 848 ैतज फ़ड , ॉस फड और एक खराद म पच काटने होता है (ए ) हेडटॉक (ख ) Tailstock (सी ) ॉस - लाइड (डी ) एन 849. A face plate is held at (a) Headstock spindle (b) Tailstock
(d) Changing the direction of the spindle 850. टबलर गयर वांट का उपयोग कया जाता है (ए ) धुरी क गत म वृ (बी ) धुरी क गत को कम करना (सी ) लीड ू के घूण न क दशा बदलना (डी ) धुरी क दशा बदलना 851. In a gap bed lathe, the gap is provided (a) Just below the nose of the headstock spindle (b) Just below the spindle of the tailstock
(d) Bed 852. ख राद म लग करते समय , ल म आयो योजत कया या जाता ता है (ए ) हेडटॉक (बी ) टेलटॉक (सी ) कं कंपाउंड आराम (डी ) बतर 853. Back-gear mechanism is provided in cone pulley headstock to (a) Reduce the speed of spindle
(c) High carbon steel (d) High alloy steel 854. ख राद बतर से बना है (ए ) हके टल (बी ) लौह काट (सी ) उच काबन टल (डी ) उच म धातु इपात 855. To prevent lathe bed guideways from damaging by chuck while mounting
(b) Case hardened (c) Normalised (d) Tempered 856. ख राद बतर क ला लाइडग सतह ह (ए ) लौ कठोर (बी ) मामला कठोर (सी ) सामायीकृत (डी ) टेपड 857. Which one of the following on a lathe is used to give depth of
858. A tumbler gear unit consists of (a) One gear (b) Two gears (c) Three gears (d) Four gears
काई म शामल ह 858. एक टबलर गयर इका (ए ) एक गयर (बी ) दो गीयर (सी ) तीन गीयर
860. The cross-slide in a lathe moves (a) Parallel to the axis of rotation (b) At any angle to the axis of rotation (c) Perpendicular to the axis of rotation (d) Either 'a' or 'b' 860. खरा राद म ॉस -लाइड चलता है (ए ) घूणन क धुरीके के समानांतर (बी ) घूणन क धुरीके के कसी भी कोण पर
(डी ) या तो 'ए ' या 'बी ' 862. Which among the following parts of a lathe should have high compressive strength? (a) Bed (b) Main spindle (c) Lead screw (d) Sliding gears in headstock 862. खरादके के ननलखत भाग भा म से कौन कौ सा उच सं पीड़न श होनी चाहए ? (ए ) बतर
लाइड इंडेस पर पढ़ने क डी होगी (ए ) 135 डी (बी ) 90 डी (सी ) 45 डी (डी ) 30 डी 864. The special gear of 127 teeth or 63 teeth may be used to cut metric threads in a lathe having British lead screw. It is known as (a) Idler gear (b) Change gear
(c) It is an integral part of the apron (d) It is detachable part of the apron 865. आधा अखरोटके के संबंबधं म ननलखत म से कौन सा कथन सय है ? (ए ) यह सैड ल का अलग करने योय हसा है (बी ) यह सैड ल का एक अभ हसा है (सी ) यह एन का एक अभ हसा है (डी ) य ह एन का अलग करने योय हसा है 866. What is the function of the drop worm provided in the apron of the centre lathe?
(a) Metric taper (b) Morse taper (c) Jorno taper (d) Brown and Sharpe taper 867. tailstock बै रल म एक आंत रक तने ने है । बैरल बोर म ननलखत मानक प म से कौन सा दा दान कया या जाता ता है ? (ए ) मीक टपर (बी ) मोस तने (सी ) जोन टपर
870. Drilling is an example of.
लग कसका उदहारण है ? A. Uniform cutting B. Orthogonal cutting C. Oblique cutting D. Complex cutting 871. Piercing operation, the clearance is provided on.
वेधन चालन मे, अवका काश नन पर उपलध कराया जाता है ? A. Punch / पंच B. Die / डाई C. Half on the punch and half on the die / आधा पं च पर और आधा डाई पर
874.. The recommended cutting speed for counter sinking and counter boring is.
शंकुकखनन ु और तवे वेधनकेके लए अनु शंसत कतन चाल है ? A. 1/2 of the drilling cutting speed / बेधन कतन चाल क 1/2 B. Equal to the drilling cutting speed /
बेधन कतन चाल केके बराबर
C. 1/3 of the drilling cutting speed / बेधन कतन चाल क 1/3 D. Double the drilling cutting speed / बेधन कतन चाल से गनी 875. Clearance angle of a drill is between.
बरमे मे का अवका काश कोण ननकेके बीच होता है ? A. 3° to 5° B. 8°to 12° C. 8° to 15°
एबेडग क या मे एे सव ेस परत चढ़ाने पर कहलाते है A. Rubbing B. Charging C. fixing D. lapping 879. The sensitiveness of the spirit level depends upon the
ट क सबेदनशीलता नभ र करती है े के आकर पर A. Size of the bubble / बुलबुलके B. Length of the glass / कांच नली क लबाई पर C. Type of liquid filled inthe glass tube / कांच क नली मे भरेरे गए वके के का कार पर
C. At 45°to the finished surface / फनड पृ के 45° पर होती है D. At 60° to the finished surface / फनड पृ के 60° पर होती है
882. the following type of thread are cut inside the three jaw chuck.
तीन जबड़े ड़े बाले चककेके अं दर ननलखत कार क चुडया कट जाती है A. Buttress B. Square C. Scroll D. Acme 883. Tool signature comprises
885. The depth of cut in drilling is __________ the drill diameter
लगकेके काट क गहराई लग के ास के ---- रखी जाती है ? A.Equal to B.One-Fourth C. Double D. One- Half 886. The least count of a vernier bevel protractor is _________.
वनयर बेवल ोटेटर का अपतमांक होता है ? A.1 minute
B. 5 minute
C 1d
D5d
D. All of the above
के बीच का कोण कहला लाता है ? 889. टूल फलक (tool face) तथा लक के ground end सतहके A. Rake angle B. Cutting angle C. Lip angle D. Nose angle 890. टूल फलक (tool face) तथा कटाई औजार (cutting tool) के आधार (base) केके समातर बीच का कोण कहलाता है ? A. Rake angle B. Cutting angle C. Lip angle
और लंबवत ब से ब रेखा से खची गई रे खा को जाना जाता है। In a single point tool, the angle between the surface of the flank immediately below the point and a line drawn from the point Perpendicular to the base,is known as. A. Side relief angle B. End relief angle C. Back rake angle D. Side rake angle 894. The rake angle required to machined brass by high speed steel tool is. A. 10° B. 0°
बकेके नीचे तु रतं झु डं क सतहकेके बीच D. और लंबवत ब से ब रेखा से खची गई रे खा
के ारा टूल का चे हरा झुका आ है 896. सगल पॉइंट टू ल का बै क रेक कोण वह कोण है जसके पीछे क तरफ 896. Back rake angle of the single point tool Is the angle by Which the Face of the tool is Inclined towards back. A. Agree B. Disagree C. Bith (a & b) D. None of these
A. Forzing
B. Drilling
C. Rolling
D. Stamping
900 काट आयरन मे अछा लु के के टग गुण होता है क उपथत मे ? Cast iron carries better lubricating Properties due to. A. Pearlite
B. Carbide
C. Free graphite
D. Ferrous
901 सीमटेटड े काबा बाइड औजा जार
मे यु यु बंधक पदा दाथ है
Bonding materials used on Cemented carbide tools is. A Nickel
A. Dark glass screen B. Mask C. Safty goggles D. Sun goggles
मशी शीन जोकुकुछ वशट काय का केके लए बना नाई जाती ती है जससे से एक समा मान प का का उपाद बना नाया या जाय को जाना ना जाता ता है ? 904
Machine which are designed to perform only some specifide Operations so as to Produce Identical items is. A. Leth machine
A वाइट वाश B शयन लू C सेयूलोज लै कर कर
A. Micrometer B. Beval protecter C. Vernier depth gauge D. Vernier hight gauge
C. Aust Austen enit ite e D. Ferrite
A. Hard Hardni ning ng B. Anne Anneal alin ing g C. Norm Normal alis isin ing g
A. Eccentric B. Lead C. Pitch D. Offset 926. Spring 926. Spring नन मे से कसका बना होता है A. Nickel steel
D) tungsten steel 928. Toleranc Tolerance e zone zone overl overlap ap करता है A. Tr Tra anzi nzitio tion fit fit
B. Clar aren enc ce fit fit
C. Interf Interfere erenc nce e fit fit D. All All 929.नन Elasticity को बढ़ाता है ? नन मे से कौन कौ Elasticity A) invar steel B) silicon alloy C) Nickel steel D) tungsten steel
D) chrome steel 933.Crane hooks ननमे से कसका बना होता है ? A) cast iron B) high corban steel C) wrought iron D) copper 934.Metal जसका उपयोग corrosive resistance कर प मे होता है ? A) Mild steel B) Cast iron C) Alluminium D) Tin
D) austenite 938.एक डायल
वनयरकैकैलपरकेके एक मे न डवीज़न का मान 1 mm है तथा डायल को 100 बराबर भागो गो मे बांटा गया या और दयालकेके एक पुरे चकर घू मने पर मूवे बल जॉ 5mm आगे गे बढ़ता ता है तो डायलकेके एक डवीज़न का मान या होगा गा ? A) 0.02 mm B) 0.01 mm C) 0.05 mm D) 0.005 mm
नाते ते ये ये आगे गे बढ़ता जाता ता है और इसका का उपयो योग शीट शी को जोड़ने ने मे होता है ? 939.होल बना A) thread forming type screw B) thread cutting type screw C) hammer driven screw D) self-piercing screw
D) सवर सोडरेड जॉइंट से कमजोर 943.टल मे कॉबन तशत माा बढ़ने पर उसक Tensile strength या होता है ? A) बढ़ता है B) घटता है C) प हले बढ़ता है फर घटता है D) अपरबतत रहता है 944 ननमे से कसे cast न ह कया जा सकता है ? A) high corban steel B) Gun metal C) wrought iron D) Copper
D) cast iron
के 948 ेडके
बड़े ड़े ास ओर छोटेटे ासकेके अं तर को 2 से भाग देने पर ात होता है
A) डेथ ऑफ़ े ड B) लीड C) पच डाया D) पच 949.म ल का उपयो योग कब कया जाता ता
है
?
A) कायखड का सटर होल ज़ब काफ लबा हो B) कायखड का बाहरी ास ज़ब सटर होल हो केके साथ सा ज़ब true घूमता हो C) कायखड का सटर होल ज़ब reamed हो तो
D) इनमे से कोई नह 952 लेन माल पर दन जाने बाली टेपर का अनु पात या होता है ? A) 1:200 B) 1:20 C) 1:2000 D) 1:50 953 नन मे
से कौन Tin and copper तथा zink and copper का एलाय है ?
A) Bross,Bronze B) Bronze,die cast bronze C) Bronze,Bross
A) cross slide के ारा revese direction
B) cross slide के ारा forward Direction C) compound slide के ारा D) non 957 ेड चेजर का उपयोग कया जाता है
के लए A) जद से ेड बनानेके B) ेड का फाम बनानेके के लए
के लए C) हाड मेटल पर े ड काटनेके के लए D) सॉट मेटल पर े ड काटनेके 958..I. S. O. नन मे से कसको दखाता है ?
A) 4.5 mm B) 3.5 mm C) 2.5 mm D) 7 mm 961 ऑफ़से सेटग केके ारा टेपर टनग मे कोन
सा सां त काय करता है ?
के अछकेके समा मातर तथा टूल को कोण पर रखा खा जाता ता है A) कायखडके B) कायखडके के अछ को लेथ अछ से कोण पर तथा टूल को समातर रखा जाता है
के अछ को ले थ अछ से कोण पर तथा टूल को भी कोण पर रखा जाता है C) कायखडके के अछ को ले थ अछकेके समा मातर तथा टूल को भी समां मांतर रखा जाता है D) कायखडके के ारा टेपर टनग करते समय समान ऑफसेट मे वभ लबाई के 962 टेलटॉक ऑफसेटके
B) Honning C) Hardning D) shaping
के लए जरी है 965 Interchangeability कसके A) mating part's B) rejected part's C) Acceptable part's D) All of these
यास बाले ले ल चक 966 एक ले थ मे 10mm या
मे रखे खे ेट शक ल उपयो योग ारा एक छ ल कया या गया याकुकुछ समय
969 Jigs are not used in……… A) drilling B) reaming C) tapping D) milling 970
टेपर टनग क वधय मे से एक टेल टॉक क ऑफ़से सेट ग है ! टेल टॉक का कोन को सा भाग ऑफसे सेट कया या जाता है
One off the tepar turning methods is by offsetting the tail stock. Which part of the tail stock is off set. A) body B) spendal C) base D) hole unit
A) beval gear B) spur gear C) pinion D) worm gear 974
ननलखत मे से टेपर रे शयो (अनुपात ) का सही ही सू कौन सा है ?
Which one of the following is the correct formula for tepar ratio. A) k=D-d/l B) k=D-d/2l C) k=D+d/l D) k=D+d/2l 975 नन
मे से या या थम सेटग ला लाटककेकेटेगरी मे आता ता है ?
B) contact error C) Parallax error D) random error 978 नन
मे से या या ेज वे डं डं ग मेलस का काय नह है ?
Which one of the following is not function of flux in braze welding. A) chemically clean the joint / जोड़ को रासायनक प से साफ करना B) Evaporate before melting the filler metal / फलर धातु को पघलने से पहले से वापीत करना C) remove Impurities from the joi/ जोड़ से असुयो को हटाना D) allow molten filler metal to flow easily / संगलत फलर धातु का नबाध बाह करना 979 वेडंग मे नॉन नॉ -डटव टेट होता है ? Non destructive test in welding is.
C) in miss-alignment D) to be disconnected often And to components a slight misalignment between to shaft 982
ठोस ठो वलयन बना नानेनेकेके लए काब का न का लोहे लो मे घु लना …………कहलाता है
Carbon dissolved iniyronto farm a solid solution is called.. A) cementite B) pearlite C) ferrite D) austenite 983
गयर परभासक शदाबली मे मॉल संदभत करता ता है
Module in gear terminology refers to. A) pitch circal diameter /nomber of teeth
D) saddle सैडल
लॉटर 986 लॉ
ूज़ क -वे आंतरक गयर इयाद या कला लापोकेके लए यु मशीन है
For opration slots cams key way groovs Internal gears Etc. A) Shepar machine B) milling machine C) sloter machine D) Lathe machine 987
ले लेनर मशी शीन का टूल पोट कस पर घु डन करता है
The tool post Of plenar machine Is mounted on. A) Appron B) cross rail
990 वक पीस
को टन करते समय ननलखत मे से कस एक को फडकेके चु नाब को नयं यंत कया या जाता ह
Which one of the following governs the selection of feed When tunning on workpiece A) tool geometry B) Type of coolent required C) Surfash finish required D) all of thease 991 लंबत (orthogonal) क त न का मु य
लाभ ला या या है
A) यह अछ फनश दान करता है
जार B) यह औजा
का जीबन काल का बढ़ा ढ़ाता ता ह
C) य ह बड़े ड़े छे मे भार को बतरत करता ता
है
D) यह कतन धार (cutting edge) पर भार (load) को बढ़ाता है
(d) kept at 118°
(e) none of above.
995) For softer material the point angle of drill is
नरम सामीकेके लए ल का ब कोण है (a) increased
(b) decreased
(c) point angle has nothing to do with type of material (d) kept at 118°
(e) none of above.
996) For ferrous materiyals, the helix angle of drill is taken as
लौह materiyals के लए , लकेके हेलस कोण को केके प म लया या जाता है (a) 27 1/2° (c) 60° (e) none of the above.
(b) 45° (d) 90°
(c) 15°
(d) 25°
(e) 35° 1000) The recommended value of rake angle for machining aluminium with cemented carbide tool is
सीमटेड काबाइड उपकरणकेके साथ मशीनग एयूमीनयम केके लए रे क कोण का अनु शंसत मूयहै (a) 0°
(b) 5°
(c) 15°
(d) 25°
(e) 35°
1-A
2-B
3-A
4-B
5-A
6-C
7-A
8-A
9-C
10-C
11-C
12-A
13-C
14-B
15-A
16-D
17-D
18-D
19-D
20-D
21-A
22-A
23-B
24-B
25-B
26-A
27-C
28-B
29-A
30-A
31-A
32-B
33-D
34-C
35-D
36-B
37-C
38-D
39-D
40-B
41-A
42-A
43-B
44-C
45-B
46-D
47-A
48-D
49-D
50-D
51-C
52-B
53-A
54-B
55-B
56-A
57-B
58-A
59-A
60-B
61-C
62-C
63-D
64-B
65-A
66-B
67-A
68-D
69-B
70-B
71-C
72-D
73-C
74-D
75-D
76-C
77-B
78-C
79-A
80-D
81-A
82-A
83-D
84-B
85-C
86-D
87-B
88-C
89-D
90-A
91-C
92-A
93-B
94-A
95-C
96-D
97-B
98-B
99-C
100-C
101-A
102-C
103- B
104- B
105-A
106-D
107-D
108- C
109-B
110-C
111- A
112-C
113-A
114-D
115-C
116-B
117-B
118-B
119-C
120-D
121-C
122-B
123-C
124-B
125-A
126-D
127-C
128-B
129- B
130-D
131-D
132-A
133- C
134-A
135-B
136-D
137-C
138-A
139-D
140-C
141-D
142-B
143-A
144-A
145-C
146-D
147-A
148-C
149-D
150-D
151- C
152-D
153-C
154-D
155-A
156-D
157-C
158-A
159- C
160-B
161- D
162- A
163- B
164- B
165-C
166-B
167- C
168-B
169-B
170-A
171-A
172- B
173-B
174-A
175-B
176-A
177-B
178- D
179- A
180-D
181-D
182-C
183-B
184-D
185-A
186- C
187-C
188- B
189-A
190-D
191-B
192-A
193- C
194-B
195- D
196- A
197- A
198- B
199-D
200-A
201-D
202- C
203- C
204-A
205-D
206- B
207-A
208-B
209- C
210-A
211-D
212-A
213- D
214-C
215-C
216-B
217-B
218-A
219-B
220-B
221-A
222- B
223-A
224-A
225-B
226- C
227-A
228-B
229- D
230-B
231- A
232- D
233-A
234-D
235-A
236-A
237-B
238-D
239-D
240-C
241-C
242-D
243-B
244-D
245- C
246-A
247-C
248-D
249-A
250-B
251-D
252-B
253- C
254-B
255-C
256-B
257-A
258-A
259-C
260-C
261-A
262-
263-B
264-B
265-A
266-A
267-A
268-C
269-A
270-C
271-A
272-C
273-A
274-
275-B
276-C
277-A
278-D
279-B
280-D
281-C
282-D
283-A
284-C
285-A
286-C
287-A
288-C
289-B
290- B
291- B
292-A
293-D
294-D
295-B
296-D
297-A
298-B
299- A
300- B
301-D
302-B
303-D
304-B
305-D
306-D
307-A
308-D
309-A
310-B
311-B
312-A
313-A
314-A
315- A
316- A
317- B
318-B
319-A
320- C
321- C
322-D
323-C
324-D
325-A
326-D
327-C
328- C
329-B
330-D
331- D
332- D
333- A
334-C
335-D
336-B
337-A
338-B
339-A
340-D
341-C
342-C
343-D
344-A
345-A
346-A
347-B
348- D
349-C
350- B
351- B
352-A
353-A
354-B
355-B
356-B
357-A
358-C
359- B
360-A
361-A
362- C
363-A
364-B
365- D
366-C
367- B
368- B
369-D
370-A
371-B
372-A
373-A
374-A
375- B
376-C
377-C
378-D
379-B
380-D
381- C
382-C
383-C
384- B
385- B
386-B
387-B
388-B
389-B
390-A
391-B
392-A
393-D
394-A
395-C
396-B
397-A
398- C
399-C
400-C
401-C
402-C
403-D
404-B
405-D
406- C
407-A
408-A
409-C
410-C
411- C
412-C
413-A
414-D
415-C
416-C
417-C
418-D
419-D
420- C
421- D
422-B
423-B
424-B
425-B
426-C
427-A
428-C
429-B
430-C
431-C
432-
433-C
434-C
435-B
436-C
437-A
438-B
439-A
440-C
441-B
442-A
443-A
444-D
445- B
446-A
447-A
448-D
449-B
450-B
451-D
452-B
453-C
454- C
455- C
456-A
457-D
458-D
459-A
460-B
461-A
462- A
463-A
464-C
465-B
466-D
467-B
468-A
469-D
470-D
471- B
472- A
473-B
474-D
475-A
476-A
477-A
478-B
479- C
480-C
481-*
482-B
483-D
484-C
485-A
486-C
487-C
488- D
489- C
490-A
491-C
492-B
493-D
494-C
495-C
496- D
497-B
498-C
499-A
500-B
501-C
502-C
503-D
504-C
505- A
506- A
507-D
508-C
509-A
510-B
511-D
512-C
513- B
514-A
515-A
516-A
517-A
518-B
519-D
520-D
521-B
522- A
523- C
524-C
525-D
526-B
527-A
528-B
529-A
530- B
531-B
532-B
533-C
534-B
535-D
536-C
537-C
538-D
539- D
540- A
541-A
542-C
543-B
544-A
545-A
546-B
547-
548-D
549-C
550-A
551-C
552-B
553-B
554-B
555-D
556-C
557-C
558-B
559-*
560-C
561-D
562-D
563-C
564- A
565-C
566-A
567-A
568-D
569-D
570-A
571-B
572-B
573- C
574- B
575-D
576-A
577-D
578-D
579-A
580-C
581- C
582-C
583-B
584-B
585-A
586-D
587-A
588-D
589-A
590- C
591- C
592-A
593-C
594-C
595-A
596-A
597-B
598- B
599-C
600-B
601-B
602-C
603-C
604-C
605-B
606-C
607- A
608- A
609-D
610-C
611-D
612-D
613-B
614-A
615- D
616-D
617-A
618-B
619-B
620-A
621-B
622-A
623-B
624- C
625- B
626-B
627-D
628-C
629-B
630-B
631-A
632- C
633-A
634-D
635-D
636-C
637-B
638-C
639-A
640-B
641- B
642- D
643-D
644-A
645-D
646-D
647-D
648-C
649- D
650-D
651-C
652-D
653-A
654-A
655-B
656-C
657-D
658- B
659- A
660-D
661-D
662-D
663-C
664-A
665-B
666- *
667-C
668-C
669-B-
670-B
671-A
672-C
673-B
674-D
675- A
676- A
677-B
678-D
679-B
680-A
681-A
682-B
683- C
684-D
685-D
686-D
687-B
688-D
689-D
690-C
691-C
692- B
693- C
694-C
695-D
696-B
697-D
698-D
699-D
700- C
701-B
702-D
703-D
704-A
705-B
706-D
707-B
708-D
709- D
710- D
711-C
712-B
713-B
714-A
715-A
716-D
717- D
718-B
719-B
720-D
721-C
722-D
723-A
724-D
725-C
726- D
727- A
728-B
729-C
730-B
731-A
732-B
733-C
734- C
735-B
736-A
737-B
738-C
739-B
740-A
741-A
742-C
743- A
744- D
745-A
746-B
747-B
748-D
749-A
750-D
751- B
752-B
753-C
754-A
755-A
756-C
757-A
758-B
759-A
760- D
761- C
762-A
763-B
764-D
765-D
766-B
767-B
768A -
769-C
770-D
771-D
772-D
773-A
774-A
775-B
776-C
777- C
778- D
779-A
780-D
781-A
782-A
783-D
784-B
785- D
786-A
787-A
788-B
789-A
790-C
791-A
792-C
793-B
794- B
795- C
796-B
797-C
798-B
799-D
800-A
801-C
802- A
803-B
804-C
805-D
806-D
807-C
808-D
809-B
810-A
811- D
812- D
813-B
814-A
815-C
816-B
817-D
818-C
819- C
820-A
821-D
822-B
823-A
824-B
825-B
826-D
827-C
828- B
829- C
830-A
831-C
832-A
833-A
834-B
835-A
836- C
837-A
838-E
839-B
840-B
841-D
842-B
843-A
844-B
845- B
846- C
847-B
848-D
849-A
850-C
851-A
852-B
853- A
854-B
855-D
856-A
857-D
858-C
859-B
860-C
861-A
862- A
863- C
864-C
865-D
866-A
867-B
868-B
869-A
870- C
871-B
872-A
873-A
874-C
875-B
876-C
877-A
878-B
879- D
880- D
881-B
882-C
883-D
884-D
885-D
886-B
887- A
888-D
889-C
890-A
891-B
892-A
893-B
894-B
895-B
896- A
897- A
898-A
899-B
900-C
901-B
902-D
903-C
904- D
905-C
906-A
907-B
908-C
909-B
910-D
911-A
912-C
913- *
914- B
915-D
916-D
917-D
918-C
919-B
920-D
921- A
922-D
923-C
924-C
925-D
926-D
927-A
928-A
929-B
930- A
931- C
932-D
933-C
934-D
935-D
936-B
937-C
938- C
939-D
940-A
941-D
942-B
943-B
944-C
945-B
946-D
947- D
948- A
949-B
950-A
951-A
952-C