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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

when we supply in primary side of transformer then the supply goes in secondary side?how it works?

4 6424

how to protect motor in dol starter having capacity of 30 hp.40 hp?

3210

what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?

1928

howmuch current can carry the 2.5Sqmm copper cable?

42 104957

what is mutual induction principle?

6 41841

What is the requirement of grounding the neutral of single phase generators on load? If the neutral is not grounded, what will be the effect?

HAL,

2107

What is the difference btwn grounding and earthing?

HAL,

11 17014

Whats the principle of lightning? How protection against lightning is achieved? Types of protection? How to select the height of lightning spike? as per the area.

HAL,

4 11546

what is the differance of acb and mcb and mccb

MacAir, MDS,

12 36475

what is the function of a commutator in a dc generator?

College School Exams Tests, NTPC, TCS,

14 76344

how we are measuring the winding temperature of the transformer?

11 36649

prefer any good electrical engineering book.....it should be useful in the practical fied?

1 9502

How to test Power Transfomer vector group in the field?

Al-Yamama,

3 7187

how will u exactly calculate the unit consumption of the Air conditioners?Split/Window/

3 7642

what is Touch and Step voltages

Pinnacle,

1 4532

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Un-Answered Questions { Electrical Engineering }

What is earth?

2443

explain which quantities change in the starting and the and the running condition in induction motor

1440

description about dry type transformers

1895

what do w do when the output of generator is fluctuating?

2259

why we dont prefer ac voltage controller instead dimmerstat [if both have same rating] for conducting experiments in laboratories?

2145

HI SIR, AM PREPARING FOR RRB FOR SECTION ENGINEER POST. PLZ SEND ME THE PREVIOUS QUESTION PAPERS AND HELP ME. I HAVE NO ENOUGH TIME MY EXAM DATE IS 22ND JUNE.... MY EMAIL ID IS nalla.amarnath@gmail.com

1933

A power transformer 4MVA/11KV/0.415Kv has been out of use in 12years. what maintenance actions/test need to be carried out before energizing.

1317

How do we calculate the resistance per metre of single core aluminium stranded cable 19*3.25mm sheathed in pvc,at 15 deg C temperature?

2403

Why HT 11 KV Slipring Motors are connected in star ?

2221

What are the function of different components of servo motor?

2046

How good are you in resolving the commercial issues to Employer's advantage?

2360

if two transformers are placed parallel & both have fault impedance of 50KA will it increase or decrease show example?

1997

WHATIS TIME CONSTANT? WHATIS ITS SIGNIFICANCE? ILLUSTRATE THROUGH EXAMLES.

2240

What is the working principle of servo motor? And explain it.

1936

What is the rate of WCT on the Electrical Contracts comprising of DG Sets and Civil Works in Delhi ?

2191

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