Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Your B.tech marks is being given in CGPA grade. How is it calculated?

1 5249

how the high voltages are produced?and what it causes?

4 5205

what is the role of reactive powerin transmission and distribution?

3 5245

what is diffrenance between ACB and Isolator

3 8278

how to take the 3 phase ups input and collect single phase output

1 2810

what is fuction static switch in ups and tell me use parts name and fucion

Dalkia,

3 5578

how load of a turbo generator can be increased

1470

In Plug used in house,Why Earth of the plug more thicker & deeper?

L&T,

8 7930

Why corona takes place?

L&T,

4 5370

how to select size of hardware for linking aluminium busbar is it depend on area of busbar or current flowing through bus bar

1540

If i have 200 test cases and we have to execute but we don't have time to execute all testcases.within 1 hour we have to execute that testcases and prepare the test report.so how i have to resolve this problem? is there is any technique in the testing.

Stag Computers,

3 4326

what is fault level of power system ?

Infosys,

2 5108

The initial current is very large at the time of starting for almost all DC motors. SO WE USE STARTER FOR A SAFE STARTING but at our homes we don’t see any starters in our coolers, motors.WHY DON’T WE NEED STARTERS FOR THESE APPLIANCES?

1 2880

why power factor laggs and leads in case of inductance and capacitance??

1 3562

what are the losses of capacitor??

1 3118


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Un-Answered Questions { Electrical Engineering }

If Dg set load increase 25%, How much increase fuel Consumption (15 kva 2 cylinder DG set)

1837


Meter p.t. ratio= 3×230/400 , c.t.ratio = 3×1 (2) A what is m.f.

1326


Installation method of self treated earth electrode.

1484


if the motor rated speed is 950rpm. how to change the above rated speed? is it possible?

1006


What is magneto on a gas generator. how it functions. its out put is d.c or a.c. how it can be checked for correct functioning

1508






WHAT IS THE FORMULA FOR CALCULATING CURRENT RATING(DIRECT IN GROUND OR AIR) OF ARMOURED(XLPE) CABLE OF 4C,16Sqmm?

1660


How PSV sizing being done

1823


What is servo motor and what are the applications of servo motor?

2266


What happens if we run alternator on under frequency? 

1646


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

1746


What is the formulae of Megger value for a A.C.Motor

2297


Why we use mho Relay in long transmission line?

957


how is the incoming cable size calculated for a given current rating of a panel??

1439


what is the preventive maintence for ht panels and busbars and vcb abd acb's.

1866


how slip power recovery system work

2536