How can we findout the maximum efficiancy of Transformer? At which load?

0 Answers   HAL, Tanfac,

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How reverse power relay sense the power is reverse in the system.

2 Answers  

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How would you supply a single house hold load from a 3-phase supply coming out of a sub-station?

4 Answers  

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i need 24v dc from 230v ac supply how we can getit ? what are the devices &its rating requied for that ? plzz i need answer urgently .thank u

3 Answers  

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How we find the size of cable if we know the current

2 Answers   Gemscab,

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A logic circuit that provides a HIGH output if one input or the other input, but not both, is HIGH, is a(n)?

0 Answers   Ittiam Systems,

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what is the d/f b/w dol & star delta starter.

2 Answers  

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Why is shaft current insulation required on large motors & when should it be checked i.e. before or after assembly?

2 Answers   Aramco,

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Why only mesh earthing is used in G.S.S.?

2 Answers  

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How to calculate Number of Earthing Pits....???

0 Answers  

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As per the theory current doesn’t flows in Neutral, but practically it is not applicable, explain why?

3 Answers  

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describe your self.

2 Answers   Amazon, Bechtel,

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