what is the difference b/w neutral and earth?what is the need of earthing and what are the different methods for earthing?

4 Answers   NTPC,

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what is the power factor

13 Answers   Heidelberge Cement,

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I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id: vsujith_rajan@yahoo.co.in

3 Answers   RRB,

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Why charcoal and salt add in earthing pit.

6 Answers   Garware, NTPC, Sterling Wilson,

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WHAT IS THE USE OF TERTIARY WINDING IN A STAR/DELTA TRANSFORMER ?

3 Answers  

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how many voltage or current enough to kill a person?

12 Answers  

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Briefly describe means used by electricity suppliers to influence the flow of active and reactive power in power networks (one for each type)?

0 Answers  

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how to select automotive wire by mathematical equation with given current, vlotage and resistance

0 Answers   Tyco,

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When will you multiply and devide with derating factors to the actual value while sizing the cable?

0 Answers  

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control diagram of star delta starter

5 Answers  

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Power systems

0 Answers   LB Engineering,

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why they were using TRIAC instead relay in some controllers and what is the advantages.

0 Answers  

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