Answer / student skill

Parrafinic or naptha

Answer / som

Transformer oil or insulating oil is usually a highly-refined mineral oil that is stable at high temperatures and has excellent electrical insulating properties. It is used in oil-filled transformers, some types of high voltage capacitors, fluorescent lamp ballasts, and some types of high voltage switches and circuit breakers. Its functions are to insulate, suppress corona and arcing, and to serve as a coolant.

Answer / sameer sehgal

Polychlorinated Diphenyl

why it is important to earth neutral of 3 phase transformer?

9 Answers   IBM, ITC Indian Tobacco Company, RRB, UDS,

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What is Earth Fault and Over current Fault.

1 Answers  

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what is the difference between earthing and grounding?

6 Answers   Bhel, Wipro,

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lamination figures

0 Answers  

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How much no load current of synchronous motor

0 Answers   Nirma, Sulphur Mills,

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why to use freewheeling diode ( diode in revers bias mode) across dc coil

2 Answers  

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If I have a motor of 1MW with 6.6kv, running at 35% load, how can i save energy without reducing the load ?

2 Answers   Reddy Labs,

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What is single break or Double break related to MCB?

2 Answers  

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how to measure dc earth leakage current?

0 Answers  

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1. what is the power factor and whatis his losses 2. what is the working procedure of 51RNB AND 87 relay

3 Answers   ABB,

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what is mean by hormonics & surge? and it's effects?

1 Answers   TCS,

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In my home i am getting too much electricity bill (more than 4000) but I am very much sure that we are not consuming that much. How i can check this ?

6 Answers  

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