In Power transformer oil temperature or winding temperature will be high

3 Answers  

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What are electric motors?

0 Answers  

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how are reversing the direction of dc motor

0 Answers  

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what are the uses and applications of rectifiers?

3 Answers  

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what is stper motor

0 Answers   Bhel, WAPDA Water and Power Development Authority,

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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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why overload relay is not tripped at time of starting of motor allthough staring current is too high?

5 Answers   TATA,

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what is meant by armature reaction?

13 Answers  

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What is harmonics and how the 1st,2nd,3rd etc harmonic levels

2 Answers  

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what is the importance of creepage distance in disc insulators

1 Answers  

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how to decide the ratings of the MCCB,MCB in electrification.give me the proper thumb rule or procedure.

0 Answers   ABB,

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please send me previose rrb junior engineer qustion papers

0 Answers   RRB,

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