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

2109

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

Bhel,

1 4699

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

1820

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

2296

what is the difference between contactors & relay.

2 5192

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 5768

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

2433

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

2124

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 3608

Why relay connected R phase and B phase.?

1 4286

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

Lafarge,

3 7738

How do you know when the battery is fully charged?

ABB, Pricol,

6 12742

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..

2444

Why is transformer a machine

Grasim,

1 2612

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

2 4856

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Un-Answered Questions { Electrical Engineering }

Which Class insulation is prefered for the sandwich Busducts ? Why?

1986

How to calculate Number of Earthing Pits....???

1537

what is efficient motors and how it is different from normal induction motors

1859

what is excitation/

2143

which connection is safer series or parallel?usually which connection we prefer at home?

9797

what is the minimum voltage require to injure our body?

6738

For high frequency application we use which transformer?

1853

What is the use of oil in transformers?

1036

why motor range is available 22kv,30kv,37kv,45kv and so on? why motor range is not available 21kv,24,25,26,27kv and so on?

2745

what should be the no load current for 3 phase ac motors ranging from 5 kw to 1000kw?

1744

Why it is necessary to isolate fire fighting when you are taking shutdown for lv board.

1582

how can maintain the power factor and why and this is how do work tell us

2031

what is under coal gassification?

2016

How eddy current generation support the idea of train braking?

1922

1.how many types of relays? 2.difference between ATS& STS?

2099

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