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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 6278

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

Unitech,

4 7344

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 3097

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

 1295

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

 1163

WHY IS HV WINDING OF A TRANSFRMER SECTIONALIZED???

 3 4245

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

 1091

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

 2 4506

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

Tata Steel Limited,

918

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 1734

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

 3 3465

what is die electric strnth of transformer ?

 1209

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?

 1118

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

 4 9576

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 6079

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Un-Answered Questions { Electrical Engineering }

How isolater function when installed inelectrical 440V wiring

1199

What are the disadvantages of autotransformer?

255

Explain what cmos is and its benefits?

244

how to operate and maintenance of 1500 kva diesel generator set

895

what will happen reduce the transformer voltage from 415v to 406v, is it save the energy,? are this methodis good to reduce the energy.?

696




why swityard is necessrry requirement in any bis power distributin systems?

1320

What is the mmf,rgt and ngt please brief completely

735

What are the two segments of nyquist contour.

236

When are the directional relays used?

218

how invertor convert the dc into ac give brif detail

1143

What are the essential characteristics of signal flow graphs?

216

State magnitude criterion.

240

with help of neat sketch explain principle of TIG welding process

930

Does outdoor isolator loose connection cause short circuit current in that circuit? if yes then how ??

802

List some examples of renewable energy?

219

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