Answer / poonam yadav

this is the method of extracting silver and gold from their
ores by dissolving them in a dilute solution of sodium
cyanide or potassium cyanide.

Answer / vaibhav c

case hardening

What is the distance b/w R&Y phase in 33kv T.line,11kv &440v

1 Answers   NTPC,

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why can we use cosine wave instead of sine in ac supply as both have same rms vale and ripple factor

0 Answers   Indcoil Transformers, Power Grid,

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As per principle we say in three phase supply ,the voltage is producing by phase angle between two phase so two phase is needed means then why we using three phase ?

2 Answers  

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how many methods for starting an induction motor?

7 Answers   Hindustan Unilever Limited, Hyundai, TPL,

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Difference between EDO and MDO breakers?

10 Answers   ACB,

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According to ohms law voltage proportional to current, then why should current rating is low with high voltage rating in transformer?

5 Answers   KEC,

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what are the problems are there if power factor is leading

3 Answers   NTPC,

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what must be the mf for a meter with the following conditions. line ct ratio-100/1 line pt ratio- 220kv/110v meter pt ratio- 3X63.5V meter CT ratio- -/1 A

1 Answers  

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what is meant by unity power factor?unity means one why dont call 2,3,4......?

6 Answers  

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In case you don't have coal and salt for earthing, how can you achieve good temporary earthing?

1 Answers   Focus Energy, NHPC, ONGC,

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which site/city in India has all three(thremal,Hydal and Nuclear)power generaton facilities?

2 Answers  

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What is the suitable rating of MCB for 1.5 Ton A.C and why? 1Ton= how many amperes?

5 Answers   BARC,

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