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 HVDC, what are advantages over conventional system?

1 7060

What are pre paid energy meters ? How it works ?

Siemens,

1 5282

what are frequency changers ? Tell me about commertially availble frequency changers ?

GE,

1 5061

what is the aircraft voltage and frequency standard ?

Jet Airways,

1 5089

What kind of earthing method can be useful for ships and boats ?

GE,

2267

what are RCBO ?

GE,

4 10948

whatis the commertial spec. of distribution boards ?

Bosch,

2133

how to calculate percentage impedence at 75 deg C at normal tap

2300

which is more dangerous A.c or D.C?

26 36205

WHY DOES NEUTRAL DO NOT CARRY EVEN THOUGH IT CARRIES RETURN CURRENT?

4 9956

HOW DOES THE FAN REGULATOR CONTROLS ITS SPEED

6 41936

HOW DOES THE ELECTRONIC ENERGY METER WORKS?

Core Solutions,

2220

what is the diff between earth leakage relay and earth fault relay?

7 42558

Shall we get electrical shock if we touch the positive terminal of a 230 volt dc supply?

Essar,

22 36219

how we arrange the hv side with delta connection in case 33/11kv of transformer.

Jindal,

2049

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Un-Answered Questions { Electrical Engineering }

whati s the sludge current in ups

2303

The inventer is a battery, but if lost current at home u will turn on the fan but the is AC and inventer battery is dc . Then how the fan was rotating. What device Or machine in fan converst the Dc power to Ac power

1234

is it possible to have dc motors on single chip

1891

hi friends if you have any 400KV Substation Erection and installations Drgs please send to me.My email id:kandi.suresh441@gmail.com

2974

On 400 amp factory load how kvarh capacitors provide

1752

difference between Ac and Dc mcb ????

1681

What is a diode?

1121

what is the disadvantages of common earthing for AC and DC equipment? (i am talking about inverter control room and inverter duty transformer earthing is common...?)

1716

What do you mean by passive circuit elements and why these are called passive?

1262

in power generator normaly voltagr betwween esth to neutral is 0 but my work place generator show the volatge is 60v any body know why? thanks

1951

diff. between tension mode & speed mode

2395

What is mean by Sensitive Earth fault & what are the effects

4618

If there are two transformer having rating of 2.5mva, 6.6kv/440v(satr-star),and the load is 600kw then what is better to maintain less losses in transformer having both transformer in parellel or only single transformer connected to load? Please give calculated answer

2779

why we cannot protect 100% winding of an alternator by using differential protection?

2306

Whether power factor should be high or low? Why?

1184

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