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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 2774

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

1 2490

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

3 4837

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

3 4233

What are the types of excitation system?

1297

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.

1278

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

3 3961

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

1523

what is ten delta ?

ABB, Areva,

2 4284

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

ABB, Visa,

1448

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

ABB,

1529

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 2402

whu the transformer noise during running condition?

NTPC,

1 4118

what relation between transmission line & communication line?

NTPC,

1 4329

Why we did not feel electric shock in electric train?

NTPC,

1 5281


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Un-Answered Questions { Electrical Engineering }

what is auto re-closer?

1778


For an induction motor wat is the loading/unloading cycle duration or interms of L/UL ratio/ percentage?

1381


I am shobana from Chennai. I am having my personal interview on 19th Dec at Chennai.kindly mail me the questions to mail id shobana.shanthi@gmail.com

1662


Draw the single line diagram of the power station?

447


What is “pu” in ee?

469






TO CALCULATE THE RESISTANCE OF GRR OF HT MOTOR 400KW WHEREAS STATOR VOLTAGE 6.6KV AND ROTOR VOLTAGE 705V AND ROTOR CURRENT IS 346A.

4684


What is control system?

528


how to enter inverter parameter? without manaual?

1386


Why L.T.Cable voltage rating is 1.1kV,where as system voltage is 0.415kV?

1667


given data are load current & power factor cable core size? plz any one update the calculation formula

1213


Define bibo stability.

483


whats the differece between Exd and Exe

4066


what is destructive and non-destructive testing of welding

1033


PLEASE ANYBODY HAVE ELECTRICAL CIRCUIT DIAGRAM FOR CHMER PULSE CD 60M SPARKING MACHINE.PLEASE MAIL ME SUPRIYAAYYAPPAN@YAHOO.CO.IN.

2113


How to Decide the Location of Earth pit for Compressor in Oil Depo? and How to measure the resistance of earth pit Pls explain me with the help of Circuit Diagram?

1691