Kerala PSC Previous Years Question Paper & Answer
Page:11
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'ELECTRICIAN KERALA TOURISM DEVELOPMENT CORPORATION' And exam conducted in the year 2017. And Question paper code was '149/2017'. 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.
149/2017 اا هاما
ما
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Insulation resistance is measured in
A) Mega watts B) Mega ohms
C) Kilo amps 0) volts
By setting the brush position exactly at magnetic neutral axis we get
A} Maximum induced EMF B) Sparkless commutation
C) Bestperformance D} All of the above
The magnetic field produced in the stator of a three phase induction motor travels at
A} Rotating speed B) Asynchronous speed
C) Synchronous speed D} Slip speed
The purpose of a back-up fuse is to provide protection against
A} Over load B) Under load C) High voltage D) Short circuit
Jogging operation is also called as
A) Starting B} Stopping C) Braking D} Inching
While running, the rotor frequency in a 3 phase induction motor is equal to
ಹಿ) Stator frequency B) (Stator frequency)/slip
C) Stator frequency x slip D} None of these
The rotating magnetic field in 8 3 phase 6 pole 50 Hz slip ring induction motor will
rotate at
A} 1000 rpm B) 1200 rpm
C) 1500 rpm D) 800 rpm
Starting capacitor of single phase motor is
A} Electrolytic capacitor 8) 0/8/7110 ೧808010
0) ೦॥ 1106 08061 ೦೩೦೫೦0೦7 0) [೫೦೧೮ ೦117656
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