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 'AC Plant Operator' And exam conducted in the year 2023. And Question paper code was '148/2023/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:-Air friction damping
B:-Gravity control damping
C:-Spring control damping
D:-Eddy current damping
Correct Answer:- Option-D
Question13:-Which speed is called as synchronous speed in 3 phase induction
motor?
A:-No load speed
B:-Full load speed
C:-Rotating magnetic field speed
D:-Relative speed between stator and rotor
Correct Answer:- Option-C
Question14:-Which type of conductor bar is used in the inner cage of double
squirrel cage induction motor?
A:-Steel
B:-Copper
C:-Brass
D:-Aluminium
Correct Answer:- Option-B
Question15:-What is the application of shaded pole motor?
A:-Hard disk drive
B:-Ceiling fan
C:-Wet grinder
D:-Hair dryere
Correct Answer:- Option-D
Question16:-Which type of starter is used to start and run the 3 phase slip ring
induction motor?
A:-Direct on-line starter
B:-Rotor resistance starter
C:-Auto transformer starter
D:-Manual star-delta starter
Correct Answer:- Option-B
Question17:-What is the function of timer in automatic star delta starter?
A:-Trip at over load
B:-Switch ON at pre set time
C:-Switch OFF at pre set time
D:-Change from star to delta