Kerala PSC Previous Years Question Paper & Answer
Page:13
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'LINEMAN PUBLIC WORKS DEPARTMENT ELECTRICAL WING' And exam conducted in the year 2018. And Question paper code was '020/2018'. 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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The damping torque provided by PMMC Instruments is 5
(ಹ) Air friction damping (B) Fluid friction damping
(ಲ) Eddy current dampin; D) None of these
फ ping
When the motor is stationary, the frequency of rotor current in an Induction motor is
(5) Same as the supply frequency
(8) Depends upon slip
(C) Depends upon synchronous speed
(D) None of these
Kirchoff's voltage law is concerned with
(A) IR drops (8) Battery emf's
(C) Junction voltages (D) Both (A) and (B)
A charge of 100 coulomb is transferred in a circuit by a current of 1A. Time taken by this
current is seconds.
^) 1 ൫ 10 © 100 (D) 1000
The voltage induced in the armature of a dc generator is 3
(ಹ) Pulsating dc (8) DC (ಲ) Rectified ०८ (D) AC
The power taken by a 3 phase star connected load is given by the expression :
(A) 3V I cosé (B) 3V Lcosd (C) 3 Vplpcosd (D) None of these
The positive plate of lead acid cell is .
(ಹಿ) Lead peroxide (8 Sponge lead
(9) Lead sulphate (D) Pottasium hydroxide
The starting winding of a resistance start induction motor have
(ಹ) Low resistance and higher reactance
(B) High resistance and low reactance
(C) Low resistance and low reactance
(D) High resistance and high reactance
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