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Electrical Mock test 2021 for all Gov. Exam, Module – 1

By Admin in Mock Test on June 26, 2021.

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Created on June 26, 2021

Electrical Mock test for all competitive exam [ ISRO DRDO , DMRC, BHEL,RAILWAY ,OPTCL,WESEDCL,WBSETCL and others 2021

1 / 9

Number of canopy fitted to a ceiling fan

2 / 9

what is the unit of sensitivity of the measuring instrument ?

volt/ampere

ohm/volt

volt ampere

ampere/volt

3 / 9

Which type damping force will be setup all the manufacture for new indicating instrument?

Over damping

under damping

critical damping

depend on the instrument

4 / 9

If the full load copper loss of a transformer is 2000w its copper loss at 80% of full load is

2000 W

500 W

80 W

1280 W

5 / 9

In which load the transformer voltage regulation is negative ?

resistive load

inductive load

capacitive load

all of the above

6 / 9

What is the commercial unit of electrical energy?

mega watt hour

kilo watt hour

watt hour

watt second

7 / 9

Method of calculating energy by voltmeter, ammeter and stop watch is ......

KWH = (V*I*T)/1000*60

KWH = (I*I*R*T)/1000*60

KWH = (I*I*R)/1000T*60

KWH = (I*I*T)/1000*R*60

8 / 9

How many number of electrons in a copper atom ?

9 / 9

In which type of fire , both foam and dry powder fire extinguisher can be use ?

Class D

Class C

Class B

Class A

Your score is

The average score is 40%

Electrical Educations

Electrical Mock test 2021 for all Gov. Exam, Module – 1

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