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 we are using starter

5 6416

ELECTRICAL DRIVES: can a motor load system with passive load torque can have equilibrium speed in second quadrant

6097

Why we use stones in switchyard?

Havells, L&T,

3 9600

what is the diffrence between current transformer and voltage trasformer

3 6816

why generaotr rating is in kva and dc motor in kw?

Bhel, NTPC,

7 14699

When generator connected, the circuit ELCB exploded. What is the reson?

3 5330

what is the difference between current voltage transformer and current transformer and where it is used?

2 4597

what is the formula to calculate voltage drop/loss on 66KV Transmission Line?

3500

What is a circuit breaker contact multiplier relay?

2 10830

what is the cause of voltage dipp or swell in the transmission lines?

1891

Whether it is possible to measure energy at the input of rectifier transformer (12 pulse with very high odd harmonics)

1721

why plc need seprate earthing?

ABB, Whirlpool,

2 12007

What is the purpose of earthing Truck ? How does it work for busbar and cables?

1 15782

If I want to lift the water at a height 50m from ground level through two inch(diameter) metal pipe then what is the capacity of motor pump is required? is it possible in single phase supply or not?

1691

what is the difference between thyristor & IGBT?

2 11761

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Un-Answered Questions { Electrical Engineering }

is it possible to say motor horsepower number without seeing name plate(when name plate damaged)

4775

reason of diode failure in alternator

1639

Explain few advantages of electric traction system?

889

how to find the multiplication factor for digital energy meter and analog energy meter

2010

how can i reduce sparking without stepdowning the voltage

2319

Single line diagrams for star to delta and DOL starters.

2073

Why and when NGR panel required. Is it necessary to design a NGR panel for a 6.6kV Alternator paralleling with Grid????

2566

what is interpose? where it is used and why it is used?

880

Define delay time.

908

Why squirrel cage motor can only use with low starting loads ?

1856

TELL ME WHAT IS INDUCTOR AND CAPACITOR WHAT IS IT BASIC OPERATION ANDFUNCTION?

1843

hi frnds...pls send me aptransco previous papers .....pls..pls,,,(madhar.rocking@gmail.com)and suggest me some websites

1944

what shall be no load voltage of 132/33 kV transformer ? is it 33 kv of 34.5 kV

2008

Which do you think is the most significant cause of energy loss in a factory?

2021

I AM GOING TO ATTEND APTRANSCO ON 26TH OCT 08.PLEASE SEND ME ANY MATERIAL OR TYPE OF QUESTIONS OR EXP QUESTIONS.

1763

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