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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

What happen when neutral point connected to core balance current transformer? (Neutral point of an alternator of a 180KVA DG. Neutral point connected to CBCT means enter to the CBCT)

Great Eastern Energy Corporation Ltd,

2290

How to calculate size of HT breaker with the help of Amp (current)? Please provide answers with examples.

2329

IF we have 500kva transformer & know the current on HT & LT side, how can we consider for its breaker?

5 8409

How can we decide cable size from HT panel to Transformer? Please give you reply with some examples.

2214

700KW 6.6KV slip ring induction motor to use VFD to control the speed

3208

1hp= how much rpm

2077

how much earth resistance consider to commissioning the transformer?

Deccan Cements,

3 7218

in transformer the unit of power is in kva why?

Videocon,

4 7222

full form of electrical?

CEAT,

2718

how many synchronous motor are there in any power plant

L&T,

2000

Why HT 11 KV Slipring Motors are connected in star ?

2221

Why usually in all electrical equipment taking more current in Y pahse like pumps,compressor,or any other applications

1 3729

What is difference b/w fuse and breaker?

Jindal,

3 6508

what is dead tank CT AND what is live tank CT

TATA,

2 7960

what the effect will occur if we increase the airgap in induction motor

ONGC,

3 21956

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Un-Answered Questions { Electrical Engineering }

In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?

2173

How to calculate or formula to calculate rhe power in 2 phase system ??

1510

what happen if drive input fail momentry at 48.5 HZ frequency?

1926

how we can calculate the efficiency of a diesel generator ?

1703

how many single tension hardware are required on a double circuit transmission tower?

1938

How to choose size of the cable w.r.to current carrying capacity ...

2207

What is Delta Connection? What is meant by Forward Delta & Reverse Delta & How Will be the Connection in Power Transformers?

2274

Explain mechanical rotational system?

1128

How can I known multiplying factor .without multiplying table

1791

Can any answer me ,What will be the range of C.T coil for L&T energy meter EM301 used for 180 kva DG set

2198

Whether amorphous core transformer is commercialized or not:Name of company making amorphous core transformer and what are different rating?

1799

State the methods of improving power factor?

1147

what is diff btw electric,magnetic & eletromagnetic field

2130

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

2561

how can we select the type of wire.what factors we have to look on it , do we have some formula to calculate it. please guide me on it

1946

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