what is the function of supervison relay?Draw its wiring diagram.

2 Answers   IBM, R.R. ISPAT LIMITED,

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can we use 400w coke instead of 250w choke in 250w fittings

2 Answers  

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what is the difference between oil surge relay and buchholz relay.

0 Answers   MPPEB, Suparco,

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How grounding is different than earthings?

0 Answers  

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why it is mentioned as 8/10 mva transformer why not directly 8mva or 10mva transformer. please explain me the full detailed reason.

4 Answers   Qatar Gas,

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what is meant by generator differencial protection?

1 Answers  

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What is VSCF windelectrical system?

0 Answers  

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how hazordious area is classified at an oil & gas plant and categorise suitable class of electric equipment in that area like induction motors, LCS, Lighting Fixtures Fluerescent/Flood lights Mercury& sodium lights, J.Bs, Power Cables etc

0 Answers  

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What is Earthing?

16 Answers   Essar,

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How to calculate cable rating for 3 phase supply?

0 Answers  

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how cables go in and come out for distribution from the feeder pillar box?

0 Answers   CESC,

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why starter use to on a motor

6 Answers   Emco,

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