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NTPC Electrical Engineering Interview Questions
Questions Answers Views Company eMail

Explain What will happen when direction of field current is changed (i.e, field excitation is reversed) in the following machines? 1) Alternator 2) Synchronous Motor 3) D.C Generator ( Shunt or Seies ) 4) D.C Motor ( Shunt or Seies )

3 16493

can we make a electric generator,which can not use any type of fuel,air,solar,gas,thermal,coal,petrol,etc and able to produce electrical energy (or self electricity generating generator)

 1492

why in india the voltage generate multiply by 11,,,like 220v,440v,11kv,33kv,66kv,220kv,

3 11090

What will happen if induction motor is supplied with capacitive load?

 1 4531

For 300MW and over a distance 250 km, what voltage be selected? and no. of circuit?

 5 6634

What is the distance b/w R&Y phase in 33kv T.line,11kv &440v

 1 9041

why are u join ntpc

1717

what is the resistence of human body?

 3 6825

A ceiling fan moves Counter clockwise & a pedestal fan clockwise.....y the difference????

 5 9915

what is necessity of using isolation transformer?

 4 5632

WHAT HAPPEN IF TRANSFORMER HAS GIVEN SQUARE WAVE SUPPLY

 3 5824

what are the problems are there if power factor is leading

3 5495

HI,how to know that the MEGGER which i am using is working properly,reply....thankyou

 2 5276

what diff. between earth nd neutral?

 3 6900

what is the meaning of Ring Mean Unit in a substation or trasformer also tell me its oerpuse?

 4 48009

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NTPC Electrical Engineering Interview Questions


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