previous year paper of ntpc bhel for degree in electrical enng

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what is LUX?

4 Answers   NTPC,

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which mm cable should be used for 1.hp immersible pump motor for the distance of 330 metres?

0 Answers  

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wat is the advantage of increse in frequency?how the powersupply range decreses as the frequency increses?like in america,it uses 110 ac and 60 hz?

4 Answers  

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what is 2 phase motor?

4 Answers  

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resistivity of copper

1 Answers  

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WHAT IS DIFFERENCE BETWEEN PHASE CONVERTER AND VFD

1 Answers  

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Which are resistive loads & which one are inductive loads : Refrigerator, Split air conditioner, ceiling fans, well pump, fluoresecent bulbs, T.V, CRT Monitors, Adsl Routers, C.P.U, Printers, Deep Freezers, Speakers, DVD Players, Microwave oven etc. ? Output Power for these Appliances Would be same like this : P = V * A * P.F Or would be changed ? thanks

0 Answers  

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What is Isolation Current transformer and what purpose to use it in REF relay ?

1 Answers  

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3-PHASE 15KVA dg IS EQUIVALENT TO 12 KW,hOW?

2 Answers   TATA,

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how can we change the polarity of Alternating current rapidly? how frequency of ac can be controlled and changed easily?

0 Answers  

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what is the Earth Voltages in Power Plants, Sub-stations, Industries, Residential & Commercial Buildings.

0 Answers   Power Grid,

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