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 happens to the synchronous generator when reverse power is given to it?

1 4749

If you know per phase current and phase to phase voltage; what is overall KW of the circuit?

ABC, GAS,

1 4258

I want to measure resistance between Neutro and earth conductor for 3 phase Transformer what should i do

1 3742

which type of motor is suitable for water pump?

IIM,

1 5945

what kind of battery is used in laptops

Pepsi,

4 7896

WHEN WE TOUCH THE BOTH TERMINALS OF BATTERY WHY NOT THE D.C BATTERY GIVE US SHOCK SUCH AS A.C SUPPLY?

3 5811

WHAT IS DIFFERENCE BETWEEN POTENTIAL DIFFERENCE AND E.M.F?

2 5334

In separately excited m/c,we excite the field by a dc source,what not with ac source?

1 4129

what are the protections in 132 kv class electrical systems.....? hw u define that in elctrical terms..? . . .pls answr

ABB,

2 4853

WHAT IS THE COOLANTS IN TRANSFORMER?

Bhel,

7 10409

WHY TERTIARY OF POWER TRANSFORMERS IS LOADED WITH EQUIPMENTS LIKE CT,PT,ISOLATOR AND CB

1869

What is meant by a linear circuit and what is a non- linear circuit?

5 8674

What is vcb?

3 5781

why high voltage is reqiured or L.T. panels? what type of tests should be taken for electrical panels?

2 8336

What is the accepted limit to increase the choosen transformer capacity over the load and why ?

Asec,

2 3986

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Un-Answered Questions { Electrical Engineering }

What is the reason behind current flow(20 A) in amain earth cable of an SMDB? Is cuurent flow(45A etc) through a neutral cable acceptable?

1935

Why the efficiency of generator is more than motor in swinburne's test

1985

HOW CAN WE DECIDE THE SUPPLY VOLTAGE FOR MOTOR ACCORDING TO ITS RATING(IF ANYONE KNOWS GIVE IT WITH EXAMPLE AND ITS CALCULATIONS)

1911

How is the speed of a DC shunt motor related to the armature current?

1138

in ACB breaker requireding 3200Amps. buscoupler getting OFF mode and again it reset and getting normal position give me a required answer?

2307

How to measure the earth resistance value in a concrete pavement(flood light area)?

2162

Why synchorised generators are used for the production of electricity?

1147

what is the efficiency of thyristor

1555

why we setting 95 deg and 105 deg in wti and oti of distibution transformer ? give the reson for that ?

3106

What is George phenomena to start the synchronus machine?

4101

what the function breaker failure scheme, how is it operated

1874

At what factor resistance r of a conductor depends?

1073

Write masons gain formula.

1161

How i can calculate current of cable according to ares?

1948

Ceiling Fan and Storage type water heater. Discuss

1912

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