Kerala PSC Previous Years Question Paper & Answer
Page:6
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Electrical Engineer' And exam conducted in the year 2023. And Question paper code was '70/2023/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:-5 KVA
B:-4 KVA
C:-3.5 KVA
D:-2.5 KVA
Correct Answer:- Option-D
Question27:-The power factor of a synchronous motor
A:-is always lagging
B:-is always leading
C:-can be leading, lagging or unity
D:-can be unity and lagging
Correct Answer:- Option-C
Question28:-In lap winding, the number of brushes is always
A:-double the number of poles
B:-same as the number of poles
C:-half the number of poles
D:-two
Correct Answer:- Option-B
Question29:-The purpose of providing dummy coils in a generator is
A:-to reduce eddy current losses
B:-to enhance flux density
C:-to amplify voltage
D:-to provide mechanical balance for the rotor
Correct Answer:- Option-D
Question30:-The EMF induced in the armature of a shunt generator is 600 V. The
armature resistance is 0.1 ohm. If the armature current is 200 A, the terminal
voltage will be
A:-640 V
B:-620 V
C:-600 V
D:-580 V
Correct Answer:- Option-D
Question31:-The binary code of 21.125 15
A:-10101.001
B:-10100.001
C:-10101.010
D:-10100.111