how to select a air/vacuum circuit breaker.is there any thumb rule???

1 Answers  

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why humming sound occured in h HT transmission line

3 Answers  

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Neutral CT for 45MVA 132/11 KV YNd11 Transformer. NCT REF CLASS-PS or 5P20 with 20VA burden which is suitable.

1 Answers  

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why there is a fault occurs, if a phase wire touches ground.. and the fault not occurs when we connect a bulb between phase and ground..??

1 Answers  

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what is the difference between cable routing and scheduling?

4 Answers   Techno Labs,

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sir i am apearing for nic exam.i dont know exam pattern.can you please send me some model papers

0 Answers  

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why in some trains in India Electric equipment such as Fans , tube light not work until locomotive or engine is attached to the train ??

1 Answers  

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what is the difference between ground, earth and neutral?????????....

1 Answers  

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fundamentals of transformers.

5 Answers   Adani,

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whether the battery is voltage source or current source?

2 Answers  

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Comparing to AC transmission, corona & R in DC transmission is……. a) lower b) higher c) same

3 Answers  

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Why the earth terminal pin is larger than phase and neutral in three pin plug top>

8 Answers   TVS,

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