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

Electrical Engineering Interview Questions

Questions Answers Views Company eMail

when generator of a power plant is not connected to grid , by increasing the mechanical torque speed of rotor increases but when it's connected to load instead of increase in speed current increases , why?

1 3829

If the generator will trip, what you will do as an electrical technician in charge.

1 3436

If the circuit breaker will not close or it will trip, what will you do?

3 6537

If the generator will not synchronize, what will you do?

3 5653

What are the types of excitation system?

1970

I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.

1913

wat is mean by HRC fuse... WHY we choose it...?

3 5574

actually i can't understand what is 3dB ? and it's really not clear to me.please any one let it me be cleared.

2209

what is ten delta ?

ABB, Areva,

2 5829

how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?

ABB, Visa,

2171

what mean by analog ,digital,numerical meters and relays? say the example?

ABB,

2243

we all know that in capacitor there will be no ay physical connection between the two electrodes of the capacitor ,and the charge is stored between these electrodes during charging , so with out any physical connection how these charge is transferred from one plate to the another plate during the discharge?????

1 3310

whu the transformer noise during running condition?

NTPC,

1 5178

what relation between transmission line & communication line?

NTPC,

1 5353

Why we did not feel electric shock in electric train?

NTPC,

1 6259

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Un-Answered Questions { Electrical Engineering }

how we decide wire gauge for ac or dc coil and what is the basic diff. B/w these two coil?

2153

what is counter poise conductors

2110

fuel-air ratio in a petrol engine fitted with suction carburettor,operating with dirty air filter as compared to clean filter will be

1017

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

1022

explain the types of drives

1932

the site measured knee point voltage of protection class CTs should be greater than rated knee point voltage? what about meetering class CTs. Should it be below the rated knee point voltage?

2173

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

1908

What is safety of Ht panel

1620

Why do we use center tap transformer that used with portable tools

2223

i am going to give the JSEB,RANCHI exam for power plant,so i need some samples of papers related to that,so please send me these papers by my mail id.

3442

How to calibrate or test an LT Air Circuit breaker 440 volts, 35 KA, 800 Amps ?

2557

What is the use of lag compensator?

1183

In convertor can we use rectifier thyristor in place of invertor thyristor with explain.

1766

What is servo lock in CNC how they work and if any parameter for them in CNC machine

5319

What is the function of NER and NET?

2408

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