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 'Refrigeration Mechanic UIP' And exam conducted in the year 2023. And Question paper code was '018/2023/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.
Correct Answer:- Option-C
Question17:-What is the purpose of using rotor resistance starter to start three
phase slip ring induction motor ?
A:-Reduce rotor voltage
B:-Reduce rotor current
C:-Increase the torque
D:-Reduce the power loss
Correct Answer:- Option-C
Question18:-Which is an active component ?
A:-Inductor
B:-Resistor
C:-Capacitor
D:-Transistor
Correct Answer:- Option-D
Question19:-Which is the main application of SCR ?
A:-Amplifier
B:-Oscillators
C:-Multi vibrators
D:-Speed control of motors
Correct Answer:- Option-D
Question20:-Which material is used to make cutting wheel in a tube cutter ?
A:-Steel
B:-Cast iron
C:-Aluminium alloy
D:-Carbon steel
Correct Answer:- Option-D
Question21:-Which instrument is used to check the clearance between cylinder wall
and piston of a reciprocating compressor ?
A:-Screw gauge
B:-Feeler gauge
C:-Radius gauge
D:-Sheet gauge
Correct Answer:- Option-B
Question22:-Which instrument is used to find the relative humidity of air ?
A:-Gauge manifold
B:-Pressure gauge