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 'Deputy Engineer (Electrical), Assistant Engineer (Electrical) - Kerala Co-operative Milk Marketing Federation Ltd, KSEB' And exam conducted in the year 2023. And Question paper code was '098/2023'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. 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.
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If the applied voltage of a certain transformer is increased by 50% and the frequency
is reduced to 50% the maximum core flux density at secondary side will be
A) Bn B) 23൩
0) 1.5871 0) 3871
A 3 phase 16 pole alternator has 144 slots, then the distribution factor in the machine is
A) 0.959 B) 0.84
C) 0.8 D) 1
The eddy current loss of a transformer at 150 V, 60 Hz is 175 W. What will be the
eddy current loss is frequency has reduced to 30 Hz at 150 V ?
A) 150 W B) 160 W
©) 175 ५५ 0) 165.5 للا
A 3-, 50 Hz, induction motor has a full load speed of 1440 rpm. If the machine is
running at this condition, what will be the rotor slip and rotor frequency of the induction
motor ?
A) 6.5%, 4 Hz B) 4%, 2 Hz
C) 7%, 3 Hz D) 5%, 4 Hz
An alternator has 18 slots/pole and the first coil lies in slots 1 and 16, then the pitch
factor for 3" harmonics is
A) 0.96 B) 0.259
C) 0.289 D) 0.707
What type of motor can be permanently coupled with heavy loads ?
A) Shunt Motor
B) Differentially compound wound Motor
C) Series Motor
D) Short shunt Motor