Electrical Engineering Interview Questions
Questions Answers Views Company eMail

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

1 2320

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

ABC, GAS,

1 1753

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

1 1310

which type of motor is suitable for water pump?

IIM,

1 2983

what kind of battery is used in laptops

Pepsi,

4 2946

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

3 1930

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

2 1916

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

1 1953

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

ABB,

2 2143

WHAT IS THE COOLANTS IN TRANSFORMER?

Bhel,

7 4972

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

382

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

5 3789

What is vcb?

3 1729

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

2 3553

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

Asec,

2 1020


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Un-Answered Questions { Electrical Engineering }

what is ATS & RING MAIN UNIT in Distribution System?And its Function.

452


what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

293


sir, iam a electrical engg graduate and i want to go in automation sector and for this i have decided to do industrial training for this,plz suggest me some good institute for the same in delhi,ncr. my degree percentage is 58%, can i get job after doing training, plz help....

394


If oil and air can withstand a high MeV when used as an insulator in a transformer, what are the values of how high for each material?

291


if any house we instaled a 1.5 ton ac and its phase cable of wiring is installed but netrual cable of wiring not instaed. my question is that is neutual of house(for other wiring is capable for ac load or a sepeart neutrual wiring required

934


what is the relation between reactive power and power factor for the what is the limit of reactive power and power factor

514


why on axial hitting up of air blast on hydrogen produced in oil circuit breaker,temperature rises of the core of the arc?

309


Draw the DOL starter and star delta starter drawing?

1371


Which do you think is the most significant cause of energy loss in a factory?

677


what is mean by transition resistance of transformer?

1817


When and where resistance earthing is used ? How to calculate the time constant for earth fault

294


what is JE exam?

518


What is Harmonics how it is produced and what is the method to control the same

668


is there any lightning by passer is arranged in ship like buildings?

407


is it possible for different brand of H.V transformers to run or operate in parallel to each other? if so how much disturbance can this affact the H.V bus bar?

424