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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

Multimeter show phase to neutral volt 230 the per phase but phase to phase 415 not show 460 why.

Intas,

1 5720

What happens if we run alternator on under frequency?

SRHHL,

2061

What is the reason that the humming sound is coming from the induction furnace panel?

SKS Microfinance,

2559

40 HP motor how many square mm size wire use for stator to motor & aluminium wire use ?

SSPL,

1 4379

Why capacitor is blow when I am starting motor ?

1 4276

What is ignitor and why it is use in Hpmv lamp ?

2 9321

What mean power grid fail. why power grid fail.

Intas, Tech Mahindra,

1 5686

Can anyone please provide me details of MCCB/Contactor/SFU rating calculations for a motor feeder..for example 50 kw.. not from type-2 cordination chart. i want manual calculations..

2549

lenz law application and define

2787

If we have use two power cable for incomer, that time how many use cbct for earth leakage protection? 1 or 2 if 1 way? If 2 way?

REM Electromech Pvt Ltd,

2075

how does grading rings & spacers in transmission line works? Working Principle?

2045

why Square root 3 used for three phase?

2 6096

How Grading Rings & spacers in transmission lines works?working principle?

1 4532

how is calculated the quantity of weight in hot test xlpe?

Hirbodan,

2472

I have 3 1000 kva single phase transformers and I wish to replace them with one three phase transformer. What is he kva rating of the new three phase, is it 1000 kva also or 3000 kva.

Central Moloney,

5 8433

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Un-Answered Questions { Electrical Engineering }

write circuit diagram for a motor rotate in forward direction once it started and when pressed the same button it should rotate in anticlockwise.

2505

how to find motors H.P. whout any rating? (only give you a motor and multimeter)

5989

what are the different kind of cables used for transmissions?

1185

difference between the applicability of nortons and thevenin theorem

2047

what is negative d.c. voltage, why this voltage is used in base transciever station.

2130

how electrical earthing maintenance done in industry?

1556

what causes contact chatter when there is no demand on the air conditioning unit?

2001

How much costly in percentage wise is sandwich busduct costly than air insulated busduct of any rating?

1744

What is the formula to calculate distribution transformer De-rating on iron losses basis

1805

List the advantages of star-delta starter with induction motor?

962

comparision between ACB and VCB

2320

my question is how to answer the question "you are from b.tech eee background and why do you want to go for banking

1300

What are merits & De-merits of State-Space Method? What is series programming, parallel programming, general programming & direct programming ? And, difference between these programmings Techniques ?

2375

Which are resistive loads & which one are inductive loads : Refrigerator, Split air conditioner, ceiling fans, well pump, fluoresecent bulbs, T.V, CRT Monitors, Adsl Routers, C.P.U, Printers, Deep Freezers, Speakers, DVD Players, Microwave oven etc. ? Output Power for these Appliances Would be same like this : P = V * A * P.F Or would be changed ? thanks

3914

what questions will be asked for 11/33KV licence interview APSEB hyderabad. Can any one share question and answers.

18392

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