Answer / ken shirke

That depends upon the diameter of the cable.suppose the dia.of 50sq.mm cable is 20mm Then use 32mm or 38mm dia pipe for road crossing.

Answer / pkgoyal1983@yahoo.co.in

not sure

In which of the following case, the rotating magnetic field is reversed? A regenerative breaking B plugging C dynamic breaking D forward motoring

0 Answers  

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how to revers the direction of single phase motor

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How many losses in generators? how we can reduce them? and also in motors,transformers?

1 Answers  

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one hp 3phase motor what generate power factor

1 Answers  

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How to find synchronous motor speed formula Ns=120f/P ?....

2 Answers   Cranedge,

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Can u tell me design of switch yard

0 Answers   NTPC,

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Procedure for conduting vector group test on power transformers.why it is conducted?

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Define piezo-electric effect?

0 Answers  

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how to find 5 kilo meter long under ground 33 kv cable fault location if IR VALUE shows 0.05 M ohm @5000 volt.and cable fault locator shows some time fault distance 3 kilo meter ,3.7 kilo meter and some time 1 kilo meter? now how to find the fault location that where is leakage. note--it is tested with 5000 kv megger and insulation resistance is 0.05 M ohm. and some time 0.03 M ohm comes.

0 Answers   OPS,

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what is the meaning of neutral displacement ???

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Why battery is always operate on dc supply?

1 Answers   Vikram Ispat Industries,

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If single phase supply is 220v. then why three phase supply is 660?

2 Answers  

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