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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Why dnt we generate 5-ph or 7-ph supply like as 3-ph supply

2 4592

What iz main protection of mediuum voltage motors and what iz the standard IR voltage of 6.6 and 11kv motors.

GE,

1 3474

In 11/0.414 KV Parralel supply network with Bus tie closed what will be the fault level is it doubled or halved??

2075

how much current will be drawn by 3 phase, 415v, 50 hz, 20 ton central ac

3 6531

What is the differemce between Pulse transformer and Welding transformer.

BARC,

1 3404

What is servo motor and what are different types of servo motor

BARC, Vipul,

2403

HOW TO CALCULATE BATTERY BACKUP TIME & AH CAPACITY AGAINST UPS KVA RATING?

2 7461

how many load we can take for lighting

ABB,

2285

what is the difference between dropout fuse and horn gap fuse. how to choose between them

1 13939

what is the difference between star and delta connection?

3 7176

what is ATS & RING MAIN UNIT in Distribution System?And its Function.

2010

what is ATS & RING MAIN UNIT in Distribution System?And its Function.

2 8488

What is meant by time harmonics and space harmonics?

2807

AC is the magnitude of sinosudial-wave but we use cose value to determine power factor instead of sine value.

2 4375

In case of legging current of 20°, pf is .94 and leading of 20°,pf is .94 , in mathematicaly both are same but in realy how it is differ ?

3 5232

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Un-Answered Questions { Electrical Engineering }

I am abt to give IOCL intrv.Plz sir guide me for IOCL intrvw (Electrical).Which subject to be consider. questions are generally asked from which subject.Plz help me out.

2006

what is the formula to calculate voltage drop/loss on 66KV Transmission Line?

3702

Application Comparison between 22KV (UE)and 33KV (E) system. Are we allowed to use 33KV (E) cable in lieu of 22KV (UE) cable. What are the technical disadvantages.

2820

what is distribution board?

2313

what is meant by brushed alternator & its working principle ?

1928

SIR, GIVE ME OPGW SAG CALCULATION FORMULA I AM DAE ELECTRICAL. THANKS

6847

what is resver in electrical enginnering with answer

1718

Will any motor burn if voltage provided is lesser than the rated voltage???? If yes, then how is speed control possible with voltage control

2165

how many synchronous motor are there in any power plant

2001

What happens if the Capacitive Voltage Transformer Primary neutral is not earthed. There is a CVT between Transformer and source, and the CVT neutral of the transformer is not earthed, does it effect the transformer while charging or does it effect the transformer charging process.

4299

What are the two types of compensation?

1166

why we cannot protect 100% winding of an alternator by using differential protection?

2259

Why front mounted CT polarities are always towards breaker?

2024

How to calculate of maximum demand if given 628kw, 785kva, 0.8 p.f.

1661

How many kw will suply from one db

1571

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