To avoid arcing what we connect in earthing.

4 Answers   HAL,

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I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id: vsujith_rajan@yahoo.co.in

3 Answers   RRB,

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What is auto reclose system in Circuit breakers??

4 Answers  

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From the point of view of accuracy in the Measurement of Electrical energy should we select a potential transformer or a capacitor voltage transformers?.Kindly support your reply with reason and justification.

1 Answers  

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I don't understand why when we connect high voltage source in DC to electronic motor , we must add capacitor and resistor in parallel ? (I know that we use capacitor because we want to absorb the current that in the first second electronic motor in opposed with current course produce. ) what are the feature of Resistor and in such situation ?

0 Answers  

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if suplly 11kva its give 440volts then if suplly is given 10kva whats the volts given

3 Answers  

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what is PDU in transformer?? which company manufacture??

0 Answers  

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What is meant by power factor correction?

5 Answers   Aspire,

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what is mean by power factor

9 Answers  

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How to calculate the cable size in sq. mm. when the load is given in KW?

3 Answers  

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armature is that part in which current is induced since in dc motor we supply current to the conductor so why we call it armature?

0 Answers  

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i want to know that what is the eligibility critaria for ongc exam?

0 Answers  

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