Answer Posted / monalisa jena

kitkat- for domestic,
catridge-for industrial
HRC fuse-for transformer protection

what is a power factor?

1794

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Explain the fundamental difference between emf (electro motive force) and pd (potential difference) ?

1122

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any one please tell taht what type questions will be asked in BHEL interview, i am having interview on 24th Dec, please send this to mail pradeepsistam@yahoo.co.in

1977

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Proviiding the Dedicated N earth and individual Body Earths ,Finally these all looped /Now my Question :- will it not harm in case of Transformer Fault current flows in Dediacted N Earthing to Looped Body Earthing.

2193

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what is the operating time for LBB and how does the LBB relay realise whether cb is opened or not?

1968

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I want to ask that is there any relation between current denesity of copper and material purity. also is ther any standard which defines the standard current denesity of material.

1943

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What is signal flow graph?

1092

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I am having a 1500 KVA transformer whose secondary current is 2086A and my connected load is 1000 KVA, I am having 400 KVAR APFCR for PF improvement what ratio of CT should i install in LT EB Bus to get optimum PF improvement?

1736

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at which voltage level arcing ground is occurs ??????????

2033

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WHAT IS THE DIFFERENE IN ACTION OF MCB,MCCB,RCCB

2411

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1.what is the difference between transformer differential and busbar differential.2)why we are using 2 slope for trafo diif and 1 slope for busbar diff.3)what is the purpose of metrosil and stabilizing resistor in high impedance relay circuit.4)how metrosil reduce the peak volage.5)what is the funtion of stabilizing resistor

4845

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what is the meaning of neutral displacement ???

2726

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HOW TO CALCULATE EARTHING SIZING?

2138

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why sometime we get electrical shock while touching the ballon of dish tv connection ? which we should not get.

1969

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What is the settings of distance protection relay in 400 kv line

1673

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