Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

1 2352

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

ABC, GAS,

1 1758

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

1 1329

which type of motor is suitable for water pump?

IIM,

1 3005

what kind of battery is used in laptops

Pepsi,

4 2976

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

3 1953

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

2 1933

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

1 1962

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

ABB,

2 2168

WHAT IS THE COOLANTS IN TRANSFORMER?

Bhel,

7 5026

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

392

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

5 3809

What is vcb?

3 1761

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

2 3638

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

Asec,

2 1043


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Un-Answered Questions { Electrical Engineering }

one electromagnet is called

318


How to calcualte the total number of cells required for particular UPS of some X KVA with 3 and 5 hours back-up?

577


Dear friends, i would like to know that what is the exact function of 'exciter winding' & 'aux winding' in Alternator?

393


what is the use of Auto re-closer?

446


i am gng to visa interview this july i have 4 backlogs gre 1010,toefl 75,pls give me the tips pls pls

424


what is the purpose of using filters in a protective relaying scheme?

344


how will reduce the voltage. if 12volt/250ma transformer toreduce 6 volt

410


how to calculate the torque of a motor?

486


Is MEN and RCD related to each other ?? IF yes then how??

374


what is ratio of copper wire size and current ?

305


hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"

492


if any body have question paper of railway (section engineering),then plz send me .i will thank of him/her.

566


In cable sizing calculation (determining the max route length of cable) why we choose the shortest length between cable length of full load current Iflc & starting current Istart?

1425


While testing LA mast,What are the parameter limits ?

419


WHAT IS MOBILE SUB-STATION? & REALLY BENEFIT IN INDIA

537