what is servo motor & how does it work.

0 Answers  

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What is the ratio of true power to apparent power in an ac circuit?

0 Answers  

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if two transformers are parallel & both have fault short ckt. impedance of 50KA in each case will it increase or decrease show example?

1 Answers  

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How does a tertiary winding filter harmonic(espcially 3rd one) from entering into load system?

0 Answers  

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What should be the voltage between Neutral and Ground in secondary side of the step down transformer (230 V to 110 V) with no load condition?

4 Answers  

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Why we use three phase world wide why not four phase or five phase being used?

8 Answers  

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differtiate between energy consevation and energy efficiency..

1 Answers   L&T,

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how can we know the size of cable cross-section from current rating ?

3 Answers  

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why in an industry; machine having rated 200 h.p stopped after power factor is maintained above 0.97 lag by control panel in view-of energy saving

0 Answers   HCL,

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wheather the size of windings in motor and generator are the same

0 Answers  

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can we use relay in fan?

0 Answers   NTPC,

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how to find the resistance

3 Answers   Saint Gobain,

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