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.
C:-Half centre
D:-Swivel 'V' centre
Correct Answer:- Option-C
Question79:-Which of the following mechanism is/are correct about the working of
lever type dial test indicator?
1. Quick return mechanism
ii. Rack and pinion mechanism
iii. Lever and scroll mechanism
A:-only (i and ii)
B:-only (ii)
C:-only (i and iii)
D:-only (iii)
Correct Answer:- Option-D
Question80:-Which of the following tool post is easy for setting the tool centre
height of the tool in a lathe?
A:-Universal tool post
B:-Single way tool post
C:-British type tool post
D:-Indexing type tool post
Correct Answer:- Option-A
Question81:-Which method is used to lubricate the head stock in modern lathe?
A:-Wick feed
B:-Gravity feed
C:-Splash lubrication
D:-Oil pump method
Correct Answer:- Option-D
Question82:-Which cutting fluid is used for turning copper?
A:-Kerosene
B:-Soluble oil
C:-Lard oil
D:-Mineral oil
Correct Answer:- Option-B
Question83:-What is the isolating medium to prevent rapid cooling after brazing a
tipped tool?
A:-Water
B:-Mica powder
C:-Oil
D:-Wet sand