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 an infinite bus bar?

34 81670

In a d.c current, the power is the product of voltage and current. This relationship does not always apply to effective(r.m.s) values in an a.c circuit. Explain the reason for this.

2 6427

In a d.c circuit, if current and resistance are known, power (P=I*I*R) can be determined. This relationship also applied to an a.c circuit. Comment the reason for this.

3 5393

Explain why machinery used on a.c supply is usually rated in KVA instead of KW?

EEE, Mtandt,

10 22802

What is meant by power factor correction?

Aspire,

5 12796

when will be the iocl interview results i faced interview on 8th september 2008 iam from electrical branch i faced interview for the post of electrical engineer??????????????????????//

2050

what is the earthing condition between earth & phase.

ABB,

3 6229

what is the earthing condition between earth & neutral.

ABB,

6 11342

how percentage impedence effect on the size of the power transformer?

Bhel,

2 7145

I HAVE BEEN SELECTED FOR APGENCO A.E(ELECTRICAL) 2008.HOW MUCH WEIGHTAGE FOR INTERVIEW AND WRITTEN TEST.HOW I HAVE TO PREPARE. PLEASE GIVE INFORMATION IF U KNOW.WHAT ABT G.D THIS TIME.CALL RATIO 1:2

2923

Why electrical engineer use Cu Strip for transformer neutral why not GI Strip? What if we use GI instead of Cu does it affects the transformer performance.

7 18254

WHAT IS MVA RATING OF KOTHAGUDAM THERMAL STATION POWER TRANSFORMER?

CESC, Power Grid,

2 7181

what collector is used for 100kmph-120kmph tracion application?

APTransco,

3 6503

which starter is used for synchronous motor

APTransco, IBM,

18 26168

you have an automatic voltage regulator at home for your appliances,if the voltage in your area drops from 220v to 190v,does the output of the automatic voltage regulator drops?or does it retains the 220v output?

4 6774

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Un-Answered Questions { Electrical Engineering }

Define filter?

1122

how to calculate mf when meter and cTPT detail are given

1841

How to calculate size of HT breaker with the help of Amp (current)? Please provide answers with examples.

2329

What is the basic principal, by which DC voltage level is increased more than the supplied AC voltage during conversion. As upto AC level it is contorrled by firing anlge but after maximum level how is it possible.Please clear picture. OR we have to supply the higher level AC?

1967

How to calculate the Efficiency of Chiller

3352

why the active power flow of some line is increased when the active power of out is cut ?

2050

Why let through energy not considered for ACB breaker while cable sizing?

2415

Explain dc generator with its types?

1125

what are the applications of PLC?

1974

How to calculate Grid rotor resistance(GRR) losses in slip ring induction motor?

4277

How a band pass filter is constructed?

1063

what is the diff. between x'mer , isolation x'mer & ultra-isolation x'mer ?????????????

2342

1 Ton is equal to how many watts?

1101

What is the formula formula for Busbar sizing and what are the things to be consider for Busbar Calculation?

2552

How to calculate VA rating for CT or PT or Control Transformer?

2849

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