what is the difference b/w permitivity and permeability

1 Answers  

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for testing busbar (33kv) hi-pot .whether we can apply DC r not.and what is the test volt for that .explain

4 Answers   WGPSN,

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we are small scale industry in production of rice & rice bran. Pls let me know how to take contract demand for our industry.. (for information we have total 600.hp)

2 Answers  

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what is the formula for calculating of dielectric strength of transformer oil.

2 Answers   Bhel,

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What are the protections to be used for Generator?

3 Answers  

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what is the form factor of DC?

6 Answers  

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what is the difference between OD and VL

1 Answers   Bescom,

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How to calulate cable size for 200KVA,160KVA& 40KVA load?

1 Answers   ABB,

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what is vA rating and class of a ct.

0 Answers   L&T,

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what is relation between voltage and current and don't take resistance here. if we supose say when there is increase in voltage whwt happens to current?is it decrease or increase?

4 Answers  

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what is servo motor and how it works?

0 Answers   Godrej,

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i have a roll dia aprox.43 inches and gear box ratio is 14.3.so my question is how was decide the kw rating of motor.

1 Answers  

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