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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

why stone used in Transformer yard.

Birla, Eskom,

9 34971

what i the full form of ABS 111 in transformer.

Birla, Ford,

1 4660

why not use capacitor in Dg sets.

Birla,

10 14548

whta is difference between contactor and breaker.

6 9770

what is difference between single phase and three phase.

Birla,

2 6336

what is difference between DC and Ac

Birla,

5 7603

induction motor. we have a three phase supply from diffrent source like R= transformer. Y = DG sets. B = ups. if motor is runing.

Birla,

4 7522

how capacitor active and reactive.

Birla,

1 4613

what is phase and neutral.

Birla,

2 5725

what is IDMT relay.

Birla,

4 14317

what is the full form of FRL (3/20,7/20 EARTH WIRE)..????

Aster, Divis Laboratories, FRL, Gasco,

3 14972

Where is the center of magnetic field in alternator

GMR, Siemens,

1 5912

what is the method to calculate the voltage drop for number of meters Example 250volts I/p at one end if the cable length is 50 meters what could be the drop?, after 100 meters how much? needs formulae.

1 4199

why corona loss is less with negative polarity?

3 16721

hi pot test principal

NTPC,

1 4894

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Un-Answered Questions { Electrical Engineering }

WHY SEPARATELY EXCITED MACHINE NEEDS EXCITATION BY DC SUPPLY WHY NOT BY AC

1908

What is Harmonics how it is produced and what is the method to control the same

2301

Discuss the effect of sudden loading of an induction motor

1887

Is there any Electrical supervisor license which gives permit to work whole India rather than individual state??

1885

Importance of fault current in power transformers and how to monitor the same? How is it different from winding temperature?

1853

While testing LA mast,What are the parameter limits ?

1919

Can we transmit digital signal to long distance ?

1970

what is the meaning of number in (11, 31, 61,14, etc. CDG11, CDG31, CDG61, DDT32

1451

is it necessary to earth the rmu before cutting off the transformer winding?if yes why?

1949

What is the difference between security constraint unit commitment and security constraint optimal power flow?

1725

What is true sine wave or pure sine wave inverter?? Is it sine wave or step wave?? If it is step wave, waves with how much step is considered as pure sine wave? Is it possible to produce pure sinewave using power electronics?

1884

DRAW ACIRCUIT DIAGRAM OF 100 KVA 415V/55-0-55V DELTA TO STAR TRANSFORMER

2050

With a phasor diagram show the effect of increasing the field current of a generator supplying a constant real power and connected to a grid system.

1990

I Want randstand placement papers

1842

Define stepper motor. What is the use of stepper motor?

1235

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