What are the minimum acceptable insulation resistances of insulation of underground cable suitable for 0.440kV,11kV, 33kV and 66kV?

2 Answers  

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what is the meaning of servo motor. In trains, what type of the motors we are using at the bottom of each compartment

5 Answers  

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How could I get a certificate of competency as Electrical Supervisor? I have completed By BTech in Electrical this year(2012) for VJTI Mumbai Maharashtra. Is it compulsory to be produced while joining?

0 Answers   ONGC,

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what is the difference between old fan regulator and new fan regulator

1 Answers  

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why is one voltage transformers (instead of three ) installed at the entrence of the incoming line in a substation.

2 Answers  

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How many types of isolator is available for H.T.lines? which one is best for sub-station?

4 Answers  

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What are the different towers used in 132kv transmission line? what are the differences between the P,R,S towers used in 132KV and detailed explanation

0 Answers  

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what is the size of trasmission conducatar

2 Answers   TCS,

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WHAT IS THE DIFFERENT BETWEEN MCB & MPCB? & HOW IS USE?

3 Answers   Gandour,

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which oil used in transformer?

5 Answers  

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voltmeter kya hota hy ?

2 Answers  

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Is LV shorted in magnettic balance test?If yes why?

2 Answers   Hindalco,

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