Why do we pefer VCB over OCB?What are the advantages of VCB over OCB?

0 Answers   CEB,

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What is the technical reason for adopting color coding of three phase system as RYB.

11 Answers   ABB, ERDA,

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can any one tell in easy method for circulating current ??

0 Answers   Quest,

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what does hapen if suddently frequency doubled

1 Answers  

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Does frequency change with increasing voltage i.e 220v to 11kv? explain if not?

6 Answers  

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why the value of k is more in shell typr transformers?

0 Answers  

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in ceiling fan and table fan what is the rotating part and what is the stationary part?

5 Answers  

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I had applied for JE in PSEB, Can you pls send me the Question bank for related to my field

0 Answers  

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What is the difference between voltage and emf ?

3 Answers   DRDO,

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

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what is advantage of using star to delta in place of dol starter

4 Answers  

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WHAT IS THE USE OF PIG TAIL IN WINDOW TYPE CT ?

3 Answers  

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