Kerala PSC Previous Years Question Paper & Answer
Page:15
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Lecturer in Electronics and Instrumentation (Polytechnics)' And exam conducted in the year 2023. And Question paper code was '121/2023/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:-To reduce the temperature of the air
B:-Used as storage and smoothened
C:-To prevent dust from entering the compressor
D:-To remove the traces of moisture
Correct Answer:- Option-A
Question74:-Name the method which removes water molecule by changing its
chemical composition
A:-Drying
B:-Dehydration
C:-Dewatering
D:-De-moisturizing
Correct Answer:- Option-B
Question75:-In gears, the locus of a point on the line which rolls out without slipping
on the fixed circle is called
A:-Backlash circle
B:-Pressure angle
C:-Involute profile
D:-Pitch circle
Correct Answer:- Option-C
Question76:-A pinion gear with 33 teeth has a rotational speed of 1200 rpm and
drives a gear at 600 rpm. determine the number of teeth on the gear
A:-20
B:-66
C:-33
D:-42
Correct Answer:- Option-B
Question77:-Which of the following coordinate system can be used for designing an
industrial robot?
A:-Spherical coordinate
B:-Cylindrical coordinate
C:-Cartesian coordinate
D:-All the above
Correct Answer:- Option-D
Question78:-Which one of the following is not a programming language of a robot?
A:-HELP
B:-MARS
C:-RAIL