Why lightning arrester blast in rainy day?

1 Answers   Eco Cement, Mahaveer, MBDL,

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Enlist four components of electrive drives.

0 Answers  

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why we use copper earthing for neutral while for body GI.

1 Answers   Chennai Metro Rail Limited CMRL, Valeo Lighting Systems India Private Limited,

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what are the main hormonics in ac?

1 Answers  

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What is the resistance of the field winding of a d.c. Shunt generator kept low?

0 Answers  

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short circuit test of transformer gives what?

9 Answers   NTPC,

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If a capacitor bank is having rating 750kvar for 6.6kv. Then for 3.3kv how much will be the rating of capacitor bank.

1 Answers   OCL,

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tell me the various standerd of CT ratio

1 Answers   ICA,

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what is overflexing in transformer? setting?

1 Answers  

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if an induction motor is operated at unity power factor what will happen? will motor run or not? kindly describe a logical answer?

2 Answers  

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How vfd saving power.

0 Answers  

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what is arc flash and what are the hazards involved

0 Answers   Reliance,

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