What do u understand voltage reg. of an alternator?

0 Answers   IOCL,

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Does power factor vary with speed?If yes, how?If not, why?

4 Answers   Genco,

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how many current required for hypo test

0 Answers  

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What is the unit of charge and current?

0 Answers  

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Why effective AC resistance is more than DC resistance of a transmission line?

9 Answers   HCL, ONGC,

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Rotor resistance starter is used to obtain= A increased starting torque B decrease starting current C decrease starting loss D increase efficiency

1 Answers  

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why the desirable efficiency for a motor is 60%, but in case of transformer, it is above 90%?

1 Answers  

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what is the temperature rise test? explain in brief.with formula.

1 Answers  

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is it possible for different brand of H.V transformers to run or operate in parallel to each other? if so how much disturbance can this affact the H.V bus bar?

0 Answers   Unitech,

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BRIEFLY EXPLAIN THE STORAGE CLASSES AND THEIR TYPES IN C

0 Answers  

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What are eddy current and define rms value?

4 Answers   NTPC,

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operation principle of a generator? Gss, Diesel and HFO which is better and why?

1 Answers  

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