Kerala PSC Previous Years Question Paper & Answer
Page:5
Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'Electrician/ Lineman - KAMCO Ltd/ PWD' And exam conducted in the year 2021. And Question paper code was '015/2021'. 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.
18.
19.
20.
21.
22.
23.
24.
Which one of the harmful gas evolutes at the time of charging a lead acid battery ?
(A) Neon (B) Oxygen
(C) Nitrogen (D) Hydrogen
What is the method of charging the battery is called when the battery is charged at very
low rate ?
(A) Constant voltage method
(8) Trickle charge method
(C) Constant current method
(D) Diode method
The bending of electrodes of lead acid cell due to overcharging and discharging,
improper electrolyte and temperature known as
(4) Sulphation (B) Sedimentation
(C) Buckling (D) Local action
What kind of magnetic substance is Water ?
(A) Ferro magnetic (B) Non magnetic
(C) 88/8 magnetic (D) Dia magnetic
In what direction internally the magnetic lines of force travel in bar magnet ?
(൧) North to south (B) South to north
(C) South to south (D) North to north
What will happen if a bar magnet is broken in to two pieces ?
(A) Magnetic property will be destroyed
(B) Each piece will become a separate magnet
(C) One pieces will have only North Pole
(D) None of these
What is the directional indication of middle finger according to Flemings Right Hand Rule ?
(A) direction of Induced emf (B) direction of flux
(6) direction of motion (D) direction of force
5 | 520
[P.T.O.]