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 is meant by lagging & leading current

TATA,

1 4859

what maximum load will take a aluminum cable of 50mm 4 core.

3 9951

what is inductive voltage transformer? what is its application and how it differs from capacitive voltage transformer?

NRSC National Remote Sensing Centre,

1 2800

what is a bus post insulator? explain its application in a substation.

Enercon, HAL,

1 12537

what is bus post insulator and its applications in substations

1 15103

what are inductive and capacitive voltage transformers.what are their applications

1911

what do you mean by lagging and leading current.explain in detail.

1 4851

what are the compensations considered while designing a transmmision line.

1 3784

why vaccum circuit breakers are preferred over m.o.c.b

2 4600

why are we using multiples of 11 in substation.

2 4970

why we measure ouput of transformers in kva.

1 4381

what do you mean by star point.its importance in ct & pt

2 5721

for any load, what happen if we use the cable rating above its normal rating

2 4911

can anyone plz tell me in 3 phase induction motor, whare we use STAR CONNECTED MOTOR and whare we use DELTA CONNECTED MOTOR

3 5277

What is the difference between split AC and Casste AC?

NTPC,

2 19040

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Un-Answered Questions { Electrical Engineering }

what is the criteria for selecting fuse rating in 1phase, 2phase & 3phase welding sets?

1738

Vibromotor 252MV 1/4HP2P..what is mean by 252MV?

1912

working principle of oil startar

1850

Can anyone explain me about the capacitor calculation

2134

A 3-phase IM is supplied from 50 Hz system. It runs at speed of 1440 rpm and slip equal to 4 %. Calculate number of pole pairs. A 1 B 6 C 2 D 3

1980

What are m circles?

1051

I have a current transformer with 1 main reading meter with transformer outside the building and a control panel having 5 CT reading meters with black round coils inside the building. I want to know, A) when current pass through the Transformers, will the current be reduced or be the same and after that B) when current pass through the CT meters with black round coils, will the current be reduced or be the same. C) in the above process will the reading of the main meter be same or different, from the total reading of all the 5 CT meters.

1775

When lag/lead/lag-lead compensation is employed?

1153

what is allowable ac mixing in dc

2050

what is the formula for efficiency of francis turbine and generator for hydropower? what is best way to select francis turbine and generator?

2464

how the inner and outer body is separated in aircrafts?

1045

On a 6 KVA UPS we have to provide a DC MCB for Battery bank of 16 nos (12 V 42 AH). What Shall be the current rating of DC MCB ?

2588

what is sevice settings for mccb?How can be it setted?

1938

What is meant by coupling capacitor?

1024

how a flip flop can be used as a latch?

1948

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