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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.
B:-Positive error
C:-Zero error
D:-Back lash error
Correct Answer:- Option-B
Question59:-When the anvil and spindle face of a micrometer are in contact if the
zero of the thimble rest above the datum line of
A:-Negative error
B:-Positive error
C:-Zero error
D:-Backlash error
Correct Answer:- Option-A
Question60:-In a digital micrometer LCD displays measuring data and make direct
read out with resolution of
A:-0.01 mm
B:-0.001 mm
C:-0.1 mm
D:-0.0001 mm
Correct Answer:- Option-B
Question61:-Which of the following statement is/are correct about the factors
governing the cutting speed?
(1) Rigidity of the work piece
(11) Finish required
(iii) Tool geometry
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
Question62:-Which of the following statement is/are correct about the cutting
speed?
1. The cutting edge passes over the material in one minute
ii. The tool moves along the work for each revolution of the work
iii. The rate of metal removed from the work in one minute
A:-Only (i)
B:-Only (ii)
C:-Only (i and ii)
D:-Only (i and iii)
Correct Answer:- Option-A
Question63:-Which part of micrometer, is to ensure uniform pressure between the