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Electrical Engineering Interview Questions
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Is corona effect occurs in Induction motor. pl. justify the answer.

KPS,

4 7548

Why consumers are charged based on Kwh basis why not on Kvah basis.

Unitech,

4 8556

One Township having 850 house and each house load is 2.2KW single phase & 5HP 3 Phase motors of 10 Nos .Who can calculate 11 KV transformer capacity .dilip_bhasker@yahoo.co.in

 1 3639

What must the distance between two MV cables be when they are laid on tray?

 1668

What should be the amps for a MV fuses for transformer 630kVA 20(10)/0.4 kV

 1581

WHY IS HV WINDING OF A TRANSFRMER SECTIONALIZED???

 3 5198

Explain Active power,reactive power,how its related to each other , & inductive ,capacitive.

 1448

what happens when power factor leads or lags to electical or home appliances

 2 5280

any one can explain the stages of a knee point which is taken during ct magnetising curve.

Tata Steel Limited,

1307

what is V=4.44FBN, THIS 4.44 ONLY U GOT the voltage in term sof 11, 22 etc this 4.44 u will get from form factor which has a value of 1.11

1 2484

sir, is there any ratio,this much of A.C volt is equal to D.C voltage

 3 4642

what is die electric strnth of transformer ?

 1636

1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?

 1504

working principle of induction motor is similar to transformer. but what makes it to rotate? then why the transformer doesnt?

 4 10765

the input mechanical power of a single alternator is increased,its RPM increased but in case of an alternator synchronised with grid its RPM does not increased with increase of input mechanical power. why?

Bhel,

3 7180

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Un-Answered Questions { Electrical Engineering }

what is the total power generation in india?

1707

If we have 11 kv RYB Phase single core cable near about. Then wht effect and losses

1330

What it the purpose of parallel phasing transfomers??

1502

what are the applications of transistors with low dc gain, high dc gain and medium dc gain( beta)?

1291

why do we measure VIBRATION in -24vdc and why we adjust gap voltage -9vdc to 10-vdc? i am trying to get this information since 5 years, yet i haven't get reliable answer, i hope i can get from you.

1399




What is systematic error?

809

what is the effect of power factor of machines in starting current

1507

What is rotating magnetic field?Discuss elaborately.

2136

We have 250 KW x 2 motors, which are load from 25% to 100% varying load in every minute , so how can we compansate the power factor. pl give your opinions on the above subject.

1411

What is the maximum No. of out going mccbs permitted from an LV distribution paqnel? What is the ampere relation between incomer and out going switch gears/mccbs?

1454

for a 400kv t/m line with 10 ampere current will corona occur?

1693

What is the abbreviation of NGT panel

1497

In Power cable specification what is U0/U and Um.

3204

Explain the different regions in frequency response?

635

Why 9KV surge arrester having 7.65KV of MCOV?

1095

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