Answer Posted / hiranmoy chatterjee

Contact resistance of SF6 CB will be less than 40 micro ohm.

Define super node?

1145

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why impudance relay used for medium transmission power system? why not others?

1405

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What are the characteristics of negative feedback?

1003

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how is positive, negative, zero sequence is happen.. how is effect on 3 phase system

1751

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What is d main advantage of using double circuit 3 phase transmission ?

1877

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Please explain, how to test vector group of tranformer(Delta y1) . Thank

1657

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How CFL &T5 tube light glows?

1974

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how to calculate the change over time for star delta starter for different KW motor?

4174

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What is excitation in case of dc motor?

1109

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What is the type of earth fault protection used in battery? explain.

2233

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how does a liquid starter reduce the starting currents?

2081

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what is p.s impedance measurement test in earthing transformer?

2344

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why we take movement of rotor always in counter-clockwise direction in 3-phase induction motors?

1894

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Define unilateral circuit?

1155

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What does the a,b,c of 95a,95b,95c relays denotes?

2579

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