how do prepare ongc exam.how is it question model.i am electrical. which part covering in electrical.tell me

0 Answers   ME,

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hou we find and calculate the maximum lode capesity of transforer?

1 Answers  

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why core losses and copper losses does not depend on power factor?

5 Answers  

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Can be ammeter and voltmeter used without CT? if not, what is the reason for that?

3 Answers   Elektrotek, Toyo Engineering,

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how fluoresent lamp works??

2 Answers  

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whenewher three phase supply is given to induction motors revolving/rotating field is created & rotor rotates.When the three phase supply is given to three phase transformer then revolving,/rotating field is created or not? if not why?

1 Answers  

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How to know about the rating(voltage and other) of induction motor if its name plate is missing at the manufacturing site.

0 Answers   ABB,

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what do you mean by class PS CT and what are technical details needed for calculating it?

0 Answers  

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What are the different methodes for calculating the short circuit Current?

0 Answers   Equate,

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how to calculate regulation constants for over head lines? and what are the regulation constant for raccoon conductor at different voltage level and different P.F?

0 Answers  

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how define the torque in ac drive. from electrical side in the drive friquency ,voltage and current three factor is there.

0 Answers  

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What is differnce b/w tie breaker and bus coupler?

1 Answers  

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