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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

If induction motor load is incresed motor speed decrases.But in syncronous motor load incrases speed canstant why?

5 19530

how induction generator generated the power without excition like syncronous generator.

3 6227

what is function and advantage of double delta winding in induction generator?

1 4062

WHAT HAPPENS IN DIFFERENTIAL PROTECTION IF CT REACHES ITS KNEE VOLTAGE POINT?

Jindal,

4 11086

what is RMU ?

MacLellan, Shalaka Infra Tech,

26 117979

for ac networks if the voltage wave form is V=Vm sinwt here the voltage Vm=230 for the frequency 50hz then the time period is 0.02 sec then for the time period 0.12 sec what is the voltage

4 19361

testing of transformer

Vijai Electricals,

1 4719

why transformer core is eathed?

ECE,

7 31702

NOW A DAYS THE POWER SUPPLY IS VERY LOW.SO THE FLURESCENT TUBE LIGHTS ARE VERY DIM.IS THERE IS ANY WAY TO INCREASE ITS BRIGHTNESS?FOR EXAMPLE ANY CONVERTER,CONDENSER?

Bhel,

1 4288

what is the difference between ELCB and RCCB

Concorde, Hyundai,

5 13414

How to design constatnt power source with variable current and Voltage.

2 4932

where can i get the previous years question papers for APGENCO exam.

3551

What is the meaning of Dyn11 of Transformer.

17 133538

why return path in terms of neutral is required please give a relevant answer

3 6819

Name different types of circuit breakers and their voltage ratings?

NTPC,

11 40692

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Un-Answered Questions { Electrical Engineering }

We have two parts in generator, electrical & mechanical. how it works?

2026

What Is Sampling?

1258

How o select the electrical fuse?.What are its characteristics.How to select the material od fuse?

2034

for what purpose the star point is done in ct

1467

what is the minimum clearance between a 11KV 150KVAR capacitor cell and series reactor.can a series reactor can be mounted in the same structure of the capacitor cells structure

2276

how do i commission a distribution transformer knowing all its ratings and transformation ratios?d

4670

What is the physical significant of power factor?

1980

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

2187

what purpose to use excaiter in DG.?

2839

Why are short circuit ratings always 16kA,25kA,36kA and 50kA.Who has fixed these?

4344

will 1050kva DG set withstand for back charge of 16MVA transformer

1916

How much earthing frequency is capable?

2000

State magnitude criterion.

1161

what is the maintaining Cf in UPS.

2432

what is V.L.F. testing of power cable? do you know the voltage ratings, like for what rating and size of cable what rating of V.L.F. testing is used?

2396

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