Electrical Engineering Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Is corona effect occurs in Induction motor. pl. justify the answer.

KPS,

4 9178

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

Unitech,

4 10286

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 4423

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

2302

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

2107

WHY IS HV WINDING OF A TRANSFRMER SECTIONALIZED???

3 6541

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

1985

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

2 6476

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

Tata Steel Limited,

1826

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 3546

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

3 6519

what is die electric strnth of transformer ?

2251

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?

2054

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

4 12499

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 8857

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Un-Answered Questions { Electrical Engineering }

What types of high speed CMOS circuits have you designed?

2191

What is rotary phase converter?

1134

Why is the frequency not changed during transformation of electrical energy in a transformer?

1467

what is the Connected Load (kW) or Contract Demand (kVA)of mahindra nasik plant??

9565

What happened if C.T mount at any cable or Bus bar in wrong direction . C.T going on proper work or not . C,T direction is essential thing to properly work.

1843

how oltc works in rectiformers of higher rating (27 mva,200v dc,120kamps) please provide me full information with diaggram.

2186

What Is Connection APFC Panel In Compony.

1493

i am going to give the JSEB,RANCHI exam for power plant,so i need some samples of papers related to that,so please send me these papers by my mail id.

3535

is the value of inductance depends upon the evalue of thitha in doubly excited machine?

1932

single phase power supply give to separate one steel coup with water, what reaction create

2140

while doing high potential for 11KV 3 core cable how much leakage current will obtain?, what will be acceptance value?

2953

How short circuit MVA(Fault MVA) in a power system calculated for calculating number of earth plates ?

2359

why output is out of phase in case of common emitter?

2187

Explain the following and how these are working with PLC Unit 1 I/O Module Card 2 Adaptor Card 3 Ribbon Adaptor 4 I/O bus 5 I/O Devices

1680

What is the formuala to calculate the rating of motor protection circuit breaker

2265

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