Answer / sham

kva/1.73* voltage* % of impedance

why two fuses are used in battery charging room?one in positive line and the other in negative line?do any DC system require two fuses?

1 Answers   HPCL,

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Transmission voltage is kept 11KV,33KV,66KV,132KV,220KV due to form factor. What happen to 400KV and 765KV transmission voltage?

0 Answers  

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Why arc quenching is used in Diode ?

0 Answers  

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How do you select a cable size(cu&Al)for a particular load?

2 Answers  

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In case of delta/delta transformer if the one phase is blown out then what will be secondary line voltage ?

4 Answers  

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In D O l starter motor starts as a star connected ,then in star delta starter also motor initially starts as star how come star delta is preferred from dol

2 Answers  

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what is onan, onaf, ofan, ofaf in transformer?

8 Answers  

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why doesnt the back emf hold the speed of unloaded series motor?

1 Answers  

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One VFD is possible to connect two motors at the same time?

2 Answers  

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how we can use resistance heating for any domestic purpose???

2 Answers  

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Why do we need interlocking in a HT metering or Ring main unit switchgear?

0 Answers  

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Can you explain about pole discrepancy scheme

0 Answers   NCC,

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