what is need of air gap in expansion section in busbar?

3 Answers  

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How to do the REF Stability test for power transformers in Site?

1 Answers   Escorts, Siemens,

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what is size of 3phase 4wire cable to be used for 11 ton ductable A.C and how to calculate cable size for different load

0 Answers   Tata Power,

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Wht ar the reason for low voltage on consumer side?

6 Answers  

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Is it possible to get earth resistance value"zero" Ohm practically??? If yes,which type of earthing???

9 Answers   TATA,

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what is the easiest method of short circuit current calculation ? pls. derive with a mathematical example in real life application.

0 Answers   Mepax, NEPCO,

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what is IP 55 & IP 54 ?

1 Answers  

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how test transfomer(3 phase75kva) by megger

0 Answers   HPL,

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Difference between ac parallel circuit and ac series circuit?

0 Answers  

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Hello to all, Please someone can send me HPCL ELECTRICAL Engg. Sample papers to me? Its urjent....my email address is.... raviasiapacific@gmail.com

0 Answers   HPCL,

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what is the relation between voltage & frequency

11 Answers  

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Define newton's law of viscosity.

0 Answers   Godrej,

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