Kerala PSC Previous Years Question Paper & Answer
Page:5
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Machinist (SR for SC/ST)' And exam conducted in the year 2023. And Question paper code was '165/2023/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.
pointer rotation?
A:-Rack and pinion mechanism
B:-Lever and scroll mechanism
C:-Screw thread mechanism
D:-Hydraulic mechanism
Correct Answer:- Option-B
Question24:-What is the least count of a vernier caliper if 19 main scale divisions
are divided in to 20 equal parts on the vernier scale?
A:-0.01 m.m
B:-0.02 m.m
C:-0.05 m.m
D:-0.10 m.m
Correct Answer:- Option-C
Question25:-Which part of the vernier bevel protractor should be kept in contact
with the datum surface from which the angle is measured?
A:-Stock
B:-Disc
C:-Blade
D:-Main scale
Correct Answer:- Option-A
Question26:-What is the reason for using dial indicator instead of scriber point in
vernier height gauge?
A:-For accurate marking
B:-For accurate setting
C:-For accurate measuring
D:-To check eccentricity
Correct Answer:- Option-D
Question27:-Which is the measuring instrument used for measuring the chordal
thickness of a gear tooth at the pitch circle of a gear?
A:Vernier bevel protractor
B:-Vernier caliper
C:-Vernier gear tooth caliper
D:-Vernier micrometer
Correct Answer:- Option-C
Question28:-What is the use of tube micrometer?
A:-To measure the thickness of pipes
B:-To measure the external diameter of pipes