Why we use stones in switchyard?

3 Answers   Havells, L&T,

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how to calculate the battery Ah? what is the formula.

10 Answers   Cushman Wakefield,

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How we can calculate the Amps for the cable Ex:- For 1sqmm wire how many amps we can draw (calculation)

0 Answers   TATA,

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why do we use star-delta starter. what is its need?

6 Answers  

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how can we change the supply voltage?

4 Answers   Areva,

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What will happen if the d.c. Shunt motor opened accidentally running on no-load has its shunt field winding?

0 Answers  

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what are the functions of fuse ?

1 Answers  

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why we are caling 440 volt 3 phase supply instead of 660 volt 3 phase supply? because each phase as a voltage of 220 volt. if anybody know the answer for my question please send it to my mail id. thank you.

3 Answers   College School Exams Tests, Jindal Steel and Power, JIOL, NEC,

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can we identify the direction of power flow in transmission line by after only looking the tower

7 Answers   TNEB Tamil Nadu Electricity Board,

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What is the formula to calculate the rating of a three phase trnasformer

1 Answers  

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Draw a Block diagram of TWO UPS systems connected in Parallel in Paralled mode?

0 Answers   HSL,

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magnetic circuit consume energy

3 Answers  

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