Answer / k.prakashchandra

Nil.It is recommended to reduce residual magnetism of pole shoes

what are thw types of turbines use in biogas plant?

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1-What is the difference between absorption factor and polarization factor in insulation resistance test in transformers? and why we inject until ten minutes to get polarization factor?

1 Answers  

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Is LV shorted in magnettic balance test?If yes why?

2 Answers   Hindalco,

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why do we not use equivalent voltage source in negative sequence equivalent ckt.

0 Answers   TATA,

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what is ratio of copper wire size and current ?

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Why single phase induction motors are not self starting ?

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compare between starting charactristics of synchronous motor with those of 3Q Squirrel cage induction motor

0 Answers  

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What is the diff btw Conventional & Addressable Fire Alarm System???

5 Answers   Emerson,

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what is the advantage of Cathodic eathing system and what is the basic principle and how itis working, please explain clearly .

2 Answers   Meinhardt,

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Which rccb 30ma,100ma,300ma sensitivity should be used in domestic line and what is difference, advantage and disadvantage of all three

2 Answers  

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Draw the circuit of clapp oscillator?

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Which theory is used in the analysis of salient pole rotor synchronous machines? Who is credited for this developement? Could the same theory be used for cylindrical rotor synchronous machines?

1 Answers  

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