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 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.
35.
36.
37.
38.
39.
40.
41.
42.
48.
According to IE rule, the measured insulation resistance should not be less than :
(^) lohm (8)
(0) 1mega ohm ൬)
Eight carbon — zinc cells in series have an output of
(A) 1.5 (B)
(C) 16 (D)
What is the out voltage of lithium cell?
(A) 1.2 volt (3)
(0) 1.8 volt (0)
Which cell is most often used in digital watches?
(A) Mercury cell (8)
(0) Voltaic cell ൬)
Which is used as an electrolyte in lead acid battery?
(A) Potassium hydroxide (8)
(0) Ammonium chloride ൬)
What is the effect of buckling defect in lead acid battery?
(A) Reducing the strength of electrolyte (8)
(C) Making short between the electrolytes (D)
The DC Generator works on the principle of :
(^) Faraday’s law (8)
(0) 0 ०प्रणाए8 law ൬)
1 kilo ohm
10 mega ohm
volt.
12
8
1.5 volt
2.5 volt
Carbon - zinc cell
Alkaline cell
Dilute sulfuric acid
Hydrochloric acid
Bending of the electrodes
Joules law
Lenz’s law
Which type of DC machine poles is residual magnetism necessary?
(A) Motor (8)
(C) Shunt motor ൬)
Which type of motor that does not have a commutators?
رم DC Shunt ۵م
Repulsion motor (D) @(
AC Series
nduction motor
nereasing the internal resistance
Separately excited generator
Permanent magnetic type generator
121/2021
[7.7.0.]