Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What is the avergae difference between OTI and WTI for EHV Power transformer?

7 34987

what is the natural resistance of the earth? and how it effected by rain r snow? wat is the natural resistance of wet soil? define natural resistance?

ECL, ISRO,

1 7493

is high voltage or high current is danger

L&T,

16 23246

we all know that both the generator and motor are electromechanical conversion devices.....then why we rate motor in kw and generator in kva????

KSEB,

4 7826

where would be tap changer in transformer & why?

Kentz,

2 4598

What is the diff. between single compression and double compression gland

ASL,

1997

what is the importance of fault level in power system and how is it decided

2 10890

What is annunciator ?

1 4147

why are you use the crgo core lamination in transformer

6 9812

IN 6.6KV 3 phase switch gear .i will give 6.6kv to R phase only to earth in during H.v testing (through H.v KIT).what happen remaining phases.how much voltage get remaining phases.why? explain.

1 5316

sir i am pradeep singh from electrical branch and i want to place in software industry(tcs)but i dont know much about programmig languages like c c++.so how can i get a placement in software industry?

TCS,

1 4053

Dear friends I want to design busbar for1600 kva transformer(i.e2100 amps) what are all the factors to be considered before selectinga busbar what are all the standard sizes of busbars what is the formula for finding current of copper and aluminium busbar

1902

How can we calculate single phase load into three phase load

Jindal, Tanfac,

2 5386

how the fan is switched off immediately switching off the switch?

2 4243

friends., why celling fan rotate cockwise direction and wall fan anticickwise direction ?

3 6686

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Un-Answered Questions { Electrical Engineering }

what is meant by CT`s saturation ? Can we use Metering CT`s with Protetection CT`s ?

2184

i want design of D.C.MOTOR 1HP 960RPM AND 2HP 960RPM ITS URRGENT

1954

Explain the operation of variable frequency transformer?

1138

How to calculate phase to phase difference ?

2252

anyone knows service engineer in chennai for EDM SPARKING MACHINE.CHMER PULSE CD 60 M.pL GIVE ANY CONTACT NOS

2418

what is the minimum (Common factor) insulatin resistance of the following a, 4mm sq wire b, cable from 50 mm sq to 800mm sq

2108

please tell me, how i clear the objective test? when i studied form the one book after i solved the objective ,that time i solved that qes. but if i tried solve objective form the other book then i could not solved these que.

1676

1))why we run three phase or three different circuit from a single conduit 2)) why not two circuit of different phase run in same conduit?? and why we run same three cicuit of same phae run in single conduit??

2559

Why water bubbles when D.C. Current is passed through it? Why not when A.C. Current is passed?

2149

What is limitedly stable system?

1130

What do you mean by ratio correction factor of instrument transformer?

1175

IF I KNOW THE AREA OF CROSS SECTION OFTHE WIRE , WATTAGE OF THE LOAD ,VOLTAGE SUPPLY WHAT IM GIVING TO THE LOAD AND ALSO POWER FACTOR OF LOAD ....... SO GIVE ME FOR WHAT AMOUNT OF CURRENT I SHOULD USE WHICH TYPE OF CABLE?

1899

how to find the capacitance value of the motor while running??

1930

Sir pl provide 5 year sample paper for post junior engineer(electrical).I have currently applied for junior engineer (electrical) on RRB Ajmer

3634

What is meant by reverse polarity and how it can be fixed?

1265

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