what is relay type VDG,CDG,VTT ect?

1 Answers   Bhel,

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who & how the notations given as RYB to 3phase power supply.

1 Answers  

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What will happen if the interpoles in case of a generator have opposite polarities to that behind it in the direction of rotation ?

1 Answers  

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Why dc shunt motor in lathe, compound motor in rolling mills

1 Answers  

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What should be the earth pit resistance value?

7 Answers   BARC,

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heat can flow from a body at low temperature to a body at higher temperature only when ........ is supplied from an external source A). Voltage B). Current C). work D). Mass

7 Answers   BMRCL,

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why we use to transmit the power in three phases intead of single phase ?

5 Answers  

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Mention what are the different colors on wires indicates?

0 Answers  

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which is batter in construction job,ELCB or RCCB?

7 Answers   HCC,

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what is the function of open delta System?

1 Answers  

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what is settable hystersis protection? If any body knows plz kindly post the answer..

0 Answers  

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Does induction motor start with dc power supply????

4 Answers   Essar,

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