Page:7
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name ' Electrician- cum- Mechanic' And exam conducted in the year 2023. And Question paper code was '118/2023/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.
D:-Becomes two times of their former value
Correct Answer:- Option-C
Question34:-Brushes of a DC generator are always placed along the
A:-Geometric neutral axis
B:-Magnetic neutral axis
C:-Perpendicular to GNA
D:-Perpendicular to MNA
Correct Answer:- Option-B
Question35:-Which type of motor is used in elevators?
A:-Differentially compound motor
B:-Cumulatively compound motor
C:-Series motor
D:-Shunt motor
Correct Answer:- Option-B
Question36:-Speed control by variation of field flux result in
A:Variable torque drive
B:-Variable power drive
C:-Constant torque drive
D:-Constant power drive
Correct Answer:- Option-D
Question37:-Armature reaction in a DC Generator increases with
A:-Supply voltage
B:-Field current
C:-Armature current
D:-Terminal voltage
Correct Answer:- Option-C
Question38:-The induction motor has lagging power factor during
A:-Starting only
B:-Running only
C:-Both starting and running
D:-At rest condition
Correct Answer:- Option-C
Question39:-The single phase series motor can operate on
A:-DC only
B:-AC only
C:-Both AC and DC