Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Junior Instructor (Turner) (NCA- LC/AI)' And exam conducted in the year 2023. And Question paper code was '159/2023/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was ''. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
A:-only i and ii
B:-only i, ii and iii
C:-all of the above (i, ii iii and iv)
D:-Only ii and iii
Correct Answer:- Option-B
Question44:-Which one is not a part of lathe Tail stock?
A:-Clamping unit
B:-Set over screw
C:-Operating screw rod
D:-Pivot hinge
Correct Answer:- Option-D
Question45:-The corss slide of a lathe is assembled to the saddle with the help of a
A:-Clevis pins and cotter pins
B:-Retaining rings
C:-Tapered jib
D:-Studs
Correct Answer:- Option-C
Question46:-The thumbler gear mechanism in lathe is used for
A:-Changing the direction of rotation of main spindle
B:-Changing the direction of rotation of lead screw and feed shaft
C:-Changing the direction of rotation of back gear unit
D:-Changing the direction of rotation of bull gear
Correct Answer:- Option-B
Question47:-The figure shows which lathe accessory
(2 )
1 5 /
مویہ
A:-Face plate
B:-Catch plate
C:-Drive plate
D:-Lathe carriers
Correct Answer:- Option-B
Question48:-There is no loss of accuracy as the chuck gets worn out. Which chuck
A:-Four jaw chuck
B:-Hydraulic chuck