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 'Electrician in KSFDC, Tourism, Agriculture etc' And exam conducted in the year 21. And Question paper code was '121/21'. 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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78.
According to NE code the colour code for the neutral :
(A) Red (3)
(C) Black (0)
Blue
Green
In thermal nuclear reactors for power generation which type of fuel is used :
(A) [338 (8)
م Pu’? (D)
Direct current is essential for the function of :
(ಯ) Arc lamp (8)
(@ Sodium Vapor lamp (D)
Tn electric traction which type of motor is used?
(^) DC shunt (8)
(0) DC long shunt compound (D)
2ج
235[
Mercury Vapor lamp
Fluorescent lamp
DC compound
DC series
During continuity test in an installation the mugger indicated reading in :
(A) 006 mega ohm (B)
(C) 500 mega ohm 0)
Biogas consists :
zero mega ohm
infinity mega ohm
(A) Methane and carbon dioxide with some impurities
(B) Only Methane
(0) ^ व्ल] Organic Gas
(D) Only Ethane
By using the device AC power can convert DC power :
(A) Generator (8)
(0) Rectifier (D)
At no load the speed of a DC series motor is :
(ಹ) normal (B)
(0) infinity (D)
NVC used in a starter to protected the motor against :
(A) _ short circuit (8)
(0) excess current (D)
11
Alternator
Transformer
zero
3600 rpm
open circuit
low voltage
121/2021
[7.7.0.]