what are smoke detectors ?

4 Answers   Indian Military Services,

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what will happen if u run induction motor beyond its rated speed

13 Answers   Adani, BARC, Bescom,

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Arrangement of earthing materials.like what we put first charcol,then salt.then plate. Plz answer me about that.

1 Answers  

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Can anybody tell me what the breakdown voltage is for air and what it is for transformer oil please?

4 Answers   Pooja Cables,

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1)What will happen when 240 VDC supply is connected to 240VAC supply(DC supply +ve is connected to phase of AC supply & DC supply is to neutral of AC supply). 2)Also what will happen when 240 VDC supply is connected to 240 VAC supply in reverse polarity as of Sr. No 1.

2 Answers  

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what is the chemical name and formula of refrigarent R-134a.

0 Answers   Blue Star,

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What is OLTC in a transformer, specify its fuction.

35 Answers   Bhel, Isgec, L&T,

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How power factor of electric system improved?

6 Answers   Nalco,

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Why the brushes used in dc machines are made of carbon not from other metal?

3 Answers  

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why we can stote dc? why we cant store ac?

0 Answers  

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Maintenance of transformer???

0 Answers   Adani,

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how to work droop ct in generating station

0 Answers  

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