why does rotor rotets?

0 Answers   IBM,

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Why material of brush is carbon in motors why not other material.

5 Answers   NTPC,

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We have 3 Gensets 1.500kva,2.380kva,3.250kva How can we connect in common busbar&we have variable load.

4 Answers  

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what is the maximim current drawn by 1 phase and three phase welding machine

0 Answers  

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I am shobana from Chennai. I am having my personal interview on 19th Dec at Chennai.kindly mail me the questions to mail id shobana.shanthi@gmail.com

0 Answers   Avalon, KK Capital,

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If the capacitor bank is installed in switchyard say 132/22kv then on LT side say 22kv/0.433kv is it necessary to install capacitor bank for maintaining power factor. if pf is maintained on HT side then will that be maintained on LT side as well.if not then how&why??????/ please explain...........

3 Answers   MacLellan,

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How dc generators direction can be reversed ??

2 Answers   GPSC Gujarat Public Service Commission,

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800a siemens vcb in our company can not be closed electrcally an mechanicaly cc and oc coils are found ok. why?

2 Answers  

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How to distinguish between the armature wires with the field wires of a Dc motor ?

5 Answers  

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what is the difference between line voltage meter and relays

4 Answers   TCS,

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What Should be the rating of transformer used in 33KV substation?

3 Answers  

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Why does the power consumed is always constant even if a fan speed is altered?

5 Answers  

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