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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.
C:-24
D:-18
Correct Answer:- Option-D
Question74:-Which type of fit, the tolerance zone of the hole and shaft will overlap
each other?
A:-Clearance fit
B:-Push fit
C:-Transition fit
D:-Interference fit
Correct Answer:- Option-C
Question75:- is designed with a 'U' slot and an Elliptical slot to
accommodate the bent tail of the lathe carrier?
A:-Catch plate
B:-Driving plate
C:-Face plate
D:-Angle plate
Correct Answer:- Option-A
Question76:-Which of the following statement is/are correct about the different
types of face plate?
1. face plates with elongated radial slots and additional parallel slots
ii. face plates with elongated slots and 'T' slots
iii. face plates with only elongated radial slots
A:-only (i and ii)
B:-only (ii and iii)
C:-only (i and iii)
D:-All of the above (i, ii and iii)
Correct Answer:- Option-D
Question77:-Which one of the following lathe accessories can be clamped at any
desired position on the lathe bed by the base clamping screw?
A:-Driving plates
B:-Fixed steady rest
C:-Lathe carrier
D:-Travelling steady rest
Correct Answer:- Option-B
Question78:-Which type of lathe centre is used while facing the job without
disturbing the setting?
A:-Tipped centre
B:-Female centre