tell me working of air circuit braker.

2 Answers  

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what is rise time and half time

1 Answers   NHPC,

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How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?

0 Answers   HAL,

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How to do maintenance of transformer feeder.

0 Answers   KSEB, L&T, Siemens,

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why onlyseries motors are used as universal motors? why not shunt?

4 Answers   TCS,

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what is voltage ?

7 Answers  

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I am inpecting a 10kVA UPS what tests should i do and should i observe?

0 Answers  

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if AVR fails in D.G set, what will be the effect?

7 Answers  

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what is reactive power (MVAR) and how it is control? how it is generate in powerplant?

1 Answers  

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where to use 3.5 core and 4 core cables, will this vary for type of loads

1 Answers   KSBC, Medreich,

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why are we adopting 132kv,220kv for transmission rather than using 440kv at all transmission lines as it gives lower losses?

2 Answers   APGenco,

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how to calculate the size of cable for 100 kva load,?can somebody tell me with a formula

7 Answers   Apollo,

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