what is the contact resistance of vacume circuit breaker??

1 Answers  

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What is the name of powder which is used in inner side of a cable? and purpose?

1 Answers  

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during installation time of transformer and alternator which points we have to observed?

0 Answers  

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What happens if we give ac supply to dc shunt and series motors individually

4 Answers   Essar,

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what is the path of thunderlightening? once both a buffalo and a person were standing 5m apart but lightening hit and killed buffalo not person?

0 Answers  

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how oti and wti connections are different from each other?

0 Answers  

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A well system is when , no. of bus bar is less or more. Tell me the concept of it.

0 Answers  

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if grounding is notdone at regular intervals for long distance transmission, will the load connected at distribution end receive voltage during negativehalf cycle of the sine wave?

0 Answers   First City,

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2. If 8.35%Z means the percentage impedance of 132/11kV transformer self,will like to reconfirm the percentage impedance that is supplied from power company?

2 Answers  

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why insulators colour is BROWN?

1 Answers  

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the total iron closs in a transformer core at normal flux density was measured at 25hz and 5ohz and was found to be 250w and 800w respectively.the hysteresis loss at 50hz would be................?????

1 Answers   ABB,

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what will happen if u run induction motor beyond its rated speed

13 Answers   Adani, BARC, Bescom,

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