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 'Shift Supervisor (Factory)' And exam conducted in the year 2020. And Question paper code was '016/2020/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.
Question82:-The efficiency of a transformer is maximum when
‘Acts Cu loss equals iron loss
Belts Cu loss greater than iron loss
Colts Cu loss less than iron loss
Det runs at half load
Correct Answer:- Option-é
Question83:-Earth fault relays are
‘Ac Under voltage relay
B:-Directional relay
C:-Non-directional relay
D-Over voltage relay
Correct Answer:- Option ®
ಟಟ of the following relays has inherent directional characteristics ?
‘Ac Power relay
B:-Impedance relay
Coho relay
D-Reactance relay
Correct Answer:- Option-C
Question85:-Which braking system is used to save energy during braking ?
‘Ac Plugging
B:-Rheostatic braking
C-Dynamic braking
D-Regenerative braking
Correct Answer:- Option-D
Question86:-Commutator in DC generator is used for
‘Ac Reduce sparking
B:-Increase voltage
C=Collecting of current
DConvert AC armature current in to DC
Correct Answer:- Option-D
Question87: field current is decreased in a shunt motor, the speed
‘Ac Decreases
Bs-Increases
C-Remains same
5:20
Correct Answer:- Option ®
Question88:-Inter pole winding is connected in
‘A-Series with armature
1
Series with main poles
D:-Paralle with main poles
Correct Answer:- Option-é
Question89:-The time base signal ina CRO is
‘AoA square wave signal
B:-A sinusoidal signal
CA saw tooth signal
DA triangular wave signal
Correct Answer:- Option-C
Question90:-The effect of increasing the length of the air gap in an induction motor will be to increase
AcAir gap flux