model question paper for supervisor trainee

0 Answers   Bhel,

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How isolater function when installed inelectrical 440V wiring

0 Answers  

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what is the benefit of floating our DC source? if i have two floating DC source of which 1 has a ref voltage of -21VDC and the other of -18VDC. can it be connected in parallel to share a common ref voltage? if not, how do i make both sources to be of common ref voltage? tks

0 Answers  

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What is the minimum IR value of HT/ LT cable? Pls post separetely!!!!!

0 Answers   Bhel,

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Y phase plates are used in transmission line??? what is there need???

0 Answers  

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how to make a solar panel? why solar panel cell connected to serious?

1 Answers  

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1.In two wattmeter method if one wattmeter shows Negative reading then wat is reason? 2.Wat is the reason for low voltage in houses? 3.Wat is meant by current and voltage? wat is difference between the two?

10 Answers   Engineering,

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what is diffrence between neutral and earth wire

23 Answers   Bhel, Esab, MTNL,

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What is the difference between phase, neutral wire and earth cable. if neutral is connected to ground, y we need earthing cable? what difference in hot and cold wire? do neutral wire carry current?

1 Answers  

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what is ratio of copper wire size and current ?

0 Answers  

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On what factors the generating voltage depends ? Generating voltage are (3.3kV, 6.6KV , 11KV, 13.8kV) Why so ?

5 Answers   Bhel,

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which power plant has high load factor?

12 Answers   APTransco,

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