Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Uses of induction motor

NTPC,

6 29515

I want Primary side delta and Sec side Star connection transformer . but i have received Star - Star transformer ,shall i use the same transformer by giving the only 3 ph on Primary side without Neutral connection on the Starpoint.

5 9840

Why current flows in nutral? As per theory there should be no current in 3 ph explain.

Bhel,

11 17807

What is the difference between phase current & line current, how both can be measured in star and delta system

Doshion, MIT,

9 81535

Difference between ups

Emerson, Tata Power,

32 91939

What is the formula for finding fault level of generator?

11 35828

I am mechanical engineer,I need Training in Electrical & Electronics ( i.e. three days workshop training ) Where will I get the same Please suggest?

2 4004

can you send me the placement papers of electrical engg. from companis like NTPC,DRDO,IOCL,HPCL,BPCL etc.?If,plz send as soon as possible.Thanks.

NTPC,

1767

What will be the average KVA rating of Auto Transformer for 75kw 415V , 3phase induction motor

2 5482

If the capacitor bank is installed in switchyard say 132/22kv then on LT side say 22kv/0.433kv is it necessary to install capacitor bank for maintaining power factor. if pf is maintained on HT side then will that be maintained on LT side as well.if not then how&why??????/ please explain...........

MacLellan,

3 10489

what is relation between vector group of transformer and its load hormonics?

Sanmar,

1 3788

What are all present producing cost of Per KWH of various Fuel?

Sanmar,

2192

Why the generator rating in kva

CompuCom, DLF, Genpact, HNG, SIPM,

32 100052

Please nybody say, weather the result of Bharat Oman is declared or not? Probable date of declare???????

1635

wat s the difference between diode and capacitor

TCS,

20 25980


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Un-Answered Questions { Electrical Engineering }

What Should be the value of Vector Surge angle at Tripping and how to calculate it?

1662


why different series of vfds (like allenbradley)are used in industry ?

1904


I AM FROM ELECTRICAL ENGINEERING ? I AM ASPIRING FOR "BHEL".HOW I HAVE TO PREPARE .ON WHICH TOPICS TO BE CONCENTRATE MORE.PLEASE GIVE FULL DETAILS OF WRITTEN EXAM.

1753


would you please give me any idea about the BARC interview question on electrical? i have an interview on 1st july.....plz hlp me.......its urgent......

2105


if 12v battery get discharged for 2 months after if we put charge it will charge again?how much time it will take to charge?

1601






what is the soft starter principle? how is connection diagram? what is the procedure for checking the connection?

1807


how to find Harmonics and types as per the equipemnts

860


Why do we mostly prefer to generate and distribute electricity in 3 phase and not in 4 phase or 5 phase?

827


can you plz send l&t aptitude questions if available its urgent plz plz plz

1738


how brushed dc motor operating ?

1515


what is the difference between single ratio, multiple core and multiple ratio, multiple core ? please explain.

1809


what is the pre charge circuit,what will be work which function it will be use plz tell me

1553


some basic standard questions on transformer.

1392


how to carried out DAR test in 11 KV Alternator ?

1934


How to reduce the static electricity producing in solvent room? By P.D.Patil BioCon

1663