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 responsibilities of electrical project engineer?

2 6178

For backup batteries connection,which method is best? series or parallel ?

ABC,

3 7674

1) What is difference b/w impedence relay and differential relay? 2) what are substations equipments? 3) what is difference b/w circuit breaker and isolator? 4)what are the types of circuit breakers? 5) which medium is mostlty used in circuit breakers and why it is used?

NTDC,

1 5015

If cvt is most advance & effective(economically & stability)so why not use instead of VT(11 kv & 33 kv)?

3 6299

what is the difference between grounding and earthing......how can we differentiate each other.....

Wipro,

2 5666

How RTCC panel is working and give single line diagram for RTCC with transformer?

AB Associates,

3110

1 sq mm conductor=? how many amps

3 8733

how to calculate power

3 7832

Why mostly the HV side of transformer has Delta?

3219

how current is reverse from its normal direction during the fault?

HGF,

2457

The sodium vapor lamp is not glows when it is connected a distance of 5 meters above from gearbox, why ?

Ispat,

3676

I have a transformer 3phase 11kv/410v and its name plate missing. now how can I judge its rated kva?

Coca Cola,

2 9631

My load is 15 kw,i want to improve power factor from 0.8 to 0.9,how select capacitor

RIB Software, TATA,

2 9212

how to calculate the cable size depending on the transformer rating

2 5729

what is the meaning of impedance protected in instrument cooling fan

3546

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Un-Answered Questions { Electrical Engineering }

List examples of voltage source?

1036

help me with the question that might be ask on the interview for technical position

2291

What is effect of over voltage and under voltage on ACB

1982

why single CT used in DOL starter power circuit?

2526

I need model question papers for RRB section engineer Chennai... Please send to my E-mail Id:- maitheerainbow@gmail.com

1948

What are the causes of unbalanced current on 34.5kv feeder Ia=0.05,Ib= 0.25, Ic=0.15 and In=0.27 prior to tripping current are balance?

1743

Comment on the working principle of operation of a single-phase transformer.

1199

what is the advantages of having in-built acvvvf (without seperate inverter in the control panel)in the drive system of elevators?

3380

Hello seniors m an engineering student in 3rd yr..i want to know what are the software course in electrical field?i wanted to do certification course but i dont know much about the course?..Regards

2112

If short circuit ratio is high is it bad or good for a machine then tell the reason...

2034

Why mostly the HV side of transformer has Delta?

3219

CPC cable .PVC \1C....I want to get sure that type is flexible indoor or to be install on trench. please advice .thanx :)

1844

which types of relay used in acb and vcb?

2740

what is the chiller and working principal

2333

In between UPS out going changer over switch and ups raising main input, both side cable gland producing heat but the cable doesn't get heat,Why?

2270

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