Electrical Engineering Interview Questions
Questions Answers Views Company eMail

What happens to the synchronous generator when reverse power is given to it?

1 3976

If you know per phase current and phase to phase voltage; what is overall KW of the circuit?

ABC, GAS,

1 3368

I want to measure resistance between Neutro and earth conductor for 3 phase Transformer what should i do

1 2993

which type of motor is suitable for water pump?

IIM,

1 5116

what kind of battery is used in laptops

Pepsi,

4 5971

WHEN WE TOUCH THE BOTH TERMINALS OF BATTERY WHY NOT THE D.C BATTERY GIVE US SHOCK SUCH AS A.C SUPPLY?

3 4541

WHAT IS DIFFERENCE BETWEEN POTENTIAL DIFFERENCE AND E.M.F?

2 4200

In separately excited m/c,we excite the field by a dc source,what not with ac source?

1 3380

what are the protections in 132 kv class electrical systems.....? hw u define that in elctrical terms..? . . .pls answr

ABB,

2 3815

WHAT IS THE COOLANTS IN TRANSFORMER?

Bhel,

7 8392

WHY TERTIARY OF POWER TRANSFORMERS IS LOADED WITH EQUIPMENTS LIKE CT,PT,ISOLATOR AND CB

1395

What is meant by a linear circuit and what is a non- linear circuit?

5 6717

What is vcb?

3 4292

why high voltage is reqiured or L.T. panels? what type of tests should be taken for electrical panels?

2 7195

What is the accepted limit to increase the choosen transformer capacity over the load and why ?

Asec,

2 2769


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Un-Answered Questions { Electrical Engineering }

What is the difference between alternator and generator?

640


Describe the control mechanism of missile launcher???

1440


what is the maximim current drawn by 1 phase and three phase welding machine

1381


can anyone tell me can the electromagnetic waves can be reflected back?if so how &by which material it can be reflected back?please tell me so that it can help to my wireless power trasnmission device.

1291


What is the pro & con of having 11kv & 33kv incoming, and what is the adv & disadv. of converting from 11kv to 33kv.

2299






Dear all i am kumaravel. now in chennai. my work is control and relay panel auto cad designing.up to 11kv to 400kv then question is i am improving my knowledge. i want some books name and auther are available for this C&R panel related. plese any one help me

1321


State magnitude criterion.

589


why dc is used in control circuit for mv & hv switchgear instead of ac

1381


Trafo ratio is 11kV/6.6kv,Vector group is YND11. What will be the effect if secondary is used for earthed system.

3259


what would happen if reactive power (kvar)is increased (more)or decreased (less)? how much exact reactive power should be maintained? and what should be done for that

1705


I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.

1312


What are the uses of stepper motor?

624


how circuit breaker work.. what is the operations taking place inside a circuit breaker when an overcurrent occurs... is it similar to fuse?

1546


What does a Bode plot tell you?

722


WHAT IS MEANT BY SHEATH VOLTAGE IN 132Kv cable?

1731