how caculate the pump head to maintain perticuler pressure of water and what would be the motor size in hp for the same?

1 Answers  

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If my sfu is 64 Amp & its link is 32 Amp then at what amp.my sfu will trip???

2 Answers  

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what is the meaning of harmonic in AC waves and when which are prduce and what is the effects on line and give any other information about harmonics

1 Answers  

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Explain Need of a starter in a dc motor.? Also explain any two starting and speed control method of dc motor?

0 Answers  

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what is rotor earth fault protection scheme in hydro generator & what is dc field flashing ?

2 Answers   NHPC,

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What it the purpose of parallel phasing transfomers??

4 Answers   ABB, Reliance,

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why rotor resistance starter is not suitable for squrielcage induction motor?why it is suitable for slipring induction motor?

5 Answers  

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1. What is differential relay? How it operates?

3 Answers  

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in trains i have seen the terminal which is connected at the top of the train is positive .where is negative ? track? i dont think so

9 Answers  

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What is the form name of 'c' license, I want to download in web

0 Answers   BMM, Ceebros Hotels,

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what does hapen if suddently frequency doubled

1 Answers  

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What is the safe limit of voltage between earth and neutral in india.

2 Answers   Incepta Pharmaceuticals,

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