what is the differents and advantages of Electro magnetics relay and static relay ? what is the numerical relay ? advatages?......

7 Answers   CAT, L&T, TCS,

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how to calculate diesel consumption of a D.G.Set?

4 Answers  

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what is the best transformer oil breakdown voltage?

0 Answers  

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how many bulb of 60watt at 300volt is used to maintain 0.25 amp.with valid reason?

4 Answers   Cords Cable, TATA,

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why the generator will take 8 to 12 hours to start after it got interrupted due to technical problems in case of power plants.

1 Answers   NTPC,

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How much of the total hydro power potential has been exploited so far in india?

0 Answers  

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Under Ground Power cable earthing is required at both end or single end? and reason for the same

3 Answers  

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what is the reason of current flow in nutral although load is balanced (three phase equal current)

3 Answers  

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sir, What is the purpose in Generating power plant is operated Lagging PF and Above 0.9 lag PF?

3 Answers  

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why can't we provide dc supply to a transformer?

2 Answers  

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Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha

0 Answers  

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why motor starting current is High ?

11 Answers   Bhel, Jindal,

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