1.How to calculate backup time from series connected battery of 12v dc with 26Ah for 2battery?

3 Answers  

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What is relation between transmission lines & Communication lines ?

0 Answers   NTPC,

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Why transformer rating in kVA not in kW?

5 Answers   ABB,

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Convert a star connected network into a delta connected network.

0 Answers   Syntel, Visa,

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How we detect the leakage current of 11 KV H.T. motors and waht is the maximim limit?

3 Answers   Ambuja, Pristine,

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what is the function of a commutator in a dc generator?

14 Answers   College School Exams Tests, NTPC, TCS,

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if we convert kw into Ampers,which one formula use by us,pls tell me?

9 Answers   ABB, Essar,

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Which starter can be used for 3 phase verriable speed (2 stator wdg) induction motor ?

2 Answers  

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What is the formula for selecting the cabels according to load? How to calculate what sq.mm cabel to be used?

0 Answers  

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how we calculate the 30 KW 3phase electric motor current on noload

23 Answers   Monnet, Siemens, SSR, Supermac Industries,

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What is difinition of HIGH RESISTANCE FAULT and LOW RESISTANCE FAULT?

3 Answers  

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how can a race around condition be eliminated using master slave flipflop?????

3 Answers  

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