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 difference between the watt hour meter and Var hour meter in terms of internal connection and work theory . ie "When the meter records watt-hour an when the meter records var hours ??"

13 19463

how we check vector group dyn7

1 4689

when we put inducter in neuteral grounding of genrator.

3 5247

why we use sinosidal voltage / current instead of others in system?

2161

Please let me if star point(Nutral) of Delta/ Strar transformer, in 4wire (TPN+E) is tobe gruonded seperatly,inaddition to LV Panel earthing????

1 3152

Why we use three phase world wide why not four phase or five phase being used?

8 12223

What is the acceptable resistance range of UPS battery

Cisco,

2 4835

Why we can not get 100% efficiency from a Gas Generator?

1 3392

What is the meaning of BREAKING and MAKING CAPACITY in case of CIRCUIT BREAKERS.

2 7164

Can a dc motor works as a dc generator. If yes , then how?

2 5744

A long transmission line is limited by - a)thermal limited b)voltage limited c)stability limited d) L,C limited please explain with proper reason.

1 3233

A well system is when , no. of bus bar is less or more. Tell me the concept of it.

1880

what must be the mf for a meter with the following conditions. line ct ratio-100/1 line pt ratio- 220kv/110v meter pt ratio- 3X63.5V meter CT ratio- -/1 A

1 3203

why we use CVT (capacitive voltage transformer)in switch yard?

5 15614

Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . please reply..............

NTPC,

9 22450

Post New Electrical Engineering Questions

Un-Answered Questions { Electrical Engineering }

why tertiary winding is used in transformer with diagram?

2210

What will be the current if the resistance total in a series circuit doubles?

1170

How to calculate the phase to phase clearness of HT /// LT bus bar?????

2038

where does 22kv line starts

3051

Salient pole alternator is more stable, why?

2660

What is knee point voltage of transformer?

1096

why burdens of VTs is more than CTs?

1732

Can i use the B-curve MCB instead of C-curve MCB

1976

what is the effect of un-synchronized power.

2004

what happens when dc generator coupled with cycle shaft.also explain what happens when its loaded

2097

how we will deside the high voltage value

1926

what is earth resistance? how to measured? and give values at power station and mcc area?

1930

The Howland current source produces a A Unidirectional floating load current B Bidirectional single-ended load current C Unidirectional single-ended load current D Bidirectional floating load current

2055

How to know about the rating(voltage and other) of induction motor if its name plate is missing at the manufacturing site.

3341

what topics we have to concentrate for power grid et.written test.and tell what to read for english synonyms and antonyms.

1907

For More Un-Answered { Electrical Engineering } Questions Click Here