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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Application wise, where we should use AC motors and where we should DC motors?

Nespak,

1 3035

Under wat condition statcom operates as an inductor for the transmission line?

1937

In wat way the power compensation takes place when a statcom is connected in a transmission line

1 4424

what is mean by power factor

9 11658

What is the meaning of In,Io & Ir in Circuit breaker? How to calculate?

1 12312

PLEASE TELL ME ABOUT QUESTION PAPER OF UPCL ENTERENCE EXAM.

UPCL,

2 7970

Which supply is using for train AC or DC & what is the voltage????????

16 36435

what is the type of winding connection( star or delta) in 1HP to 5HP motors. How to check the motor winding connections( star or delta) if not provided in the nameplate?

5 20645

the resistance of wire having length X M is R OHEM if i streched the wire to dubble length what will be the resitance

3 4910

pls tell about gas insulated substation?which gas is used for that substation?above which rating we are used this substation?how we take maintenance in that substation?it means substation fully shutdown or live condition?if live condition means how?pls clear this things

Essar,

1 4643

what is model question rrb junior engineer electrical gr.II

1952

what is CRGO Transformers?

MSETCL Maharashtra State Electricity Transmission Co Ltd, TATA,

6 32248

comparision between mcb,mccb,elcb,flcb,elcb in details

ABB,

2209

differtiate between energy consevation and energy efficiency..

L&T,

1 4124

importance of reactive power management

2029

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Un-Answered Questions { Electrical Engineering }

is ac supply can store

2102

A 3-PHASE TRANSFORMER IS USED TO STEP-DOWN THE VOLTAGE OF A 3-PHASE, 11KV FEEDER LINE. PER-PHASE TURNS RATIO IS 12.FOR A PRIMARY LINE CURRENT OF 20A, CALCULATE THE SECOUNDRY LINE VOLTAGE, LINE CURRENT AND OUTPUT KVA FOR FOLLOWING.A)STAR- DELTA.B)DELTA-DELTA.

3061

Can anyone tell the proper diagram of star delta starter????

1930

what is spadar bar .why I use in DC generator.

1927

what is the difference between directional & non directional earth fault with example please explain.

1851

explain single phase series motor

1947

Is any generator is developed which is operated with out diesal or other expensive source?

2108

What happen to the transformer if the OLTC frequently used for lower and raise occured 50times daily?

2050

what kvrah y we need to take the readind of that

2111

what shall be no load voltage of 132/33 kV transformer ? is it 33 kv of 34.5 kV

2188

-What shall be short circuit current of LV switchgear for a 1000 kva, 11.415kv, 3 phase tranformer with 5% reactance.

2132

Proviiding the Dedicated N earth and individual Body Earths ,Finally these all looped /Now my Question :- will it not harm in case of Transformer Fault current flows in Dediacted N Earthing to Looped Body Earthing.

2209

what is the use of vcb & isolator in substation?

2377

What is the difference between acs 550 & acs 850

5807

we have amp, voltage, kw, length detail then how to calculte copper & alluminium size of conductor of 3-phase induction motor

1463

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