Why electric traction is used ??

3 Answers   IOCL,

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how to calculate single phase motor efficiency ?

0 Answers   Bhel,

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single phase for 230 then why three phase are 440 volt

4 Answers   ACIL,

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what happen if generator of micro hydro running at only a small percentage of its capacity, as a comparison, if the diesel generator that runs on only a fraction of its capacity there will be a wet stacking

0 Answers  

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tell me exact relation b/n voltage and current and which one is depend other

7 Answers   HAL,

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which have higher efficiency transformer or induction moter

8 Answers   BARC,

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What happen if a 18 watt fluorescent tube is used on 36watt choke,which one damaged or not damaged, if damaged why that damaged?

2 Answers   Bharat ITI,

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what are the types of 3-ph. generator protection

2 Answers  

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What is the formula of frequency ?

0 Answers  

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There is one 40MVA oil cooled transformer (yet to commission), filled with 95% oil and we are trying to fill 5% Nytrogen in that transformer so that there should not be any foreign component inside. But even though there is no leakage, nytrogen is not withstanding inside transformer, within a day or two pressure guage is showing 0. Why is it soooo? Pls reply.

1 Answers  

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Why we use DC for charging of Batteries??Why not AC Supply???

6 Answers   Emerson, Infosys,

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What is protection for single phasing ?

6 Answers   SISL,

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