What is balance beam relay ?

2 Answers   Roman,

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why we used star delta starter for above 5hp motors

2 Answers  

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In a house wiring why we are using only one neutral wire and so many phase wires from the main board, when the load is common for both wires?

3 Answers  

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what is meant by VFD ?where its useful ?

7 Answers  

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why DG,Transformer,UPS capacity will be tell in KVA but not in KW?

4 Answers   Godrej,

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230v 1 phase Phase and Neutral insert in Bulk water what happens.

1 Answers   IVRCL,

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Why current leads the voltage in case of capacitor load? Why voltage leads the current in case of inductive load? Why both are with in phase in case of restive load?

3 Answers   TATA,

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why measure the gravity in battery?

2 Answers  

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what is mean by D.O. in distribution line poles?

0 Answers  

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Motor and transformer working with same principle so why motor rotates while transformer not?

7 Answers  

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why does the magnetic balance tests at transformers? how to provide earthing in flight?

1 Answers  

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what is the difference between Resin Cast CT and Oil cooled CT?

1 Answers  

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