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 34982

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 7491

is high voltage or high current is danger

L&T,

16 23236

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 10888

What is annunciator ?

1 4146

why are you use the crgo core lamination in transformer

6 9810

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 4052

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 5385

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

2 4242

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

3 6685

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Un-Answered Questions { Electrical Engineering }

HOW WE CHOOSE EARTH'S POTENTIAL AS ZERO V?

2058

Draw the wave shape of armature current in a generator subjected to a sudden three phase short- circuit at its terminals. Define various reactance of generator from this wave shape.

2225

why we are using Load factor?

1955

What is the difference between voltages or potential difference? And what are they?

1076

what is difference between cpp electrical system and refinery electrical system

2300

how can we make cable shedule for controll wiring ? which details must be required for it.?

2144

what is the easiest method of short circuit current calculation ? pls. derive with a mathematical example in real life application.

2429

is it possible to test of bus bar in high rise building without completed full floor ?

1695

Pl. share your experience about industrial-electronics repair of machine tool.

1896

what is The difference between national electrical code and I.S.Code (electrical) and what is the value of NEC in electrical engineering field

2019

Why front mounted CT polarities are always towards breaker?

2024

On Which Pressure PRV is operated.

1726

what is the mechanical safety of DG ?

2187

As a electrical engineer.. what are the basic norms should follow in transformer oil testing.. 1.What is the Electrode type? 2.How long time you will give for oil testing?

3640

i have some screw comprressor with 630kw power,i have established them with simple star to delta circuit,by the way there is so much inertia when the screw comprressors start, can you offer me contactors power with 400vac or any cataluge to choose the contactors

1856

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