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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

how to meas-our losses for L.T & H.T

2175

whether choke act as a voltage regulator in tubelight or not?

Bhel,

1 4832

How you will determine the volume of oil in a particular Distribution transformer.

1887

How to calculate the value of earth capacitance in a transmission line.

2365

what is the difference between contactors & relay.

2 5337

Spacing of Transformers ratings are 10kva,15kva,25kva,63kva,110kva,150kva .........so on Q) Why transformer are not manufactured having ratings in between or other than these standard ratings ?

3 5918

Define liftable weight of a transformer? Does the total weight of transformer include oil weight?

2499

ACCORDING TO IEC WHAT SHOULD BE THE MINIMUM HEIGHT OF G.I. STRUCTURE OF CT, PT, ISOLATOR, LA?

2208

what is the MF if CT ratio is 500/5 and in meter specification is 3.75 REVS/KWH? Thanks and Regards Selvendran.N

1 3702

Why relay connected R phase and B phase.?

1 4393

which part of transformer heats up the most and why? windings, core or oil .

Lafarge,

3 7915

How do you know when the battery is fully charged?

ABB, Pricol,

6 13003

If I want to connect a capacitor bank on the HT side of a 11kV/415V, 3 phase delta-star distribution transformer to supply Reactive power to it..what practical specifications of a Capacitor bank that can i've??please reply..

2499

Why is transformer a machine

Grasim,

1 2700

Why are the voltage levels in a powersystem are 11KV,33KV etc., why not 10KV,30KV?

2 5000

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Un-Answered Questions { Electrical Engineering }

what is the difference between earth leakage and earth fault?

2332

what is allowable ac mixing in dc

2108

In how we connect watt meter for open & short circuit test of a single phase transformer.

6721

what is the principle of operation of tungstun bulb ??

1831

what are the condition that makes hooter blow?

2453

What is the estimated total hydropower potential of india?

1138

we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?

1790

how could we calculate the no of outgoings from a 800 watt distribution board

1828

is there any chart showing the suitable cable size according to AMP and length ? for three phase motors

1398

What is the difference between electronic regulator and ordinary rheostat regulator for fans?

1034

How can I model an open-delta ground transformer for a network supplied by 4 unit GTG and power transformer in ETAP?

13767

Hi everyone. Some Generators uses 3-Pole breakers with extra contactors for Neutral. Some uses 4-Pole. Why so? What is the idea behind this? Thanks in advance for the solution. Kr.

2083

Can anyone tell me some hints about what type of questions are asked by the interviewer by an Electronics engineer when company is installing an IPP and wants a team of engineers?

2204

why is the power generator connected as star earthed or star earthed through reactance and what its features ?

1690

what is difference between 2 pole structure and 4 pole structure in transformer yard

6065

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