Answer Posted / anita

is always constant..

What do you mean by an instrument transformer?

1072

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When calculation of fault current and fault Kva is to be done,why always we use per unit value and why we consider the base kva?

1899

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Make a list observation on Transformer?

2423

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What is the polarization index value ? (Pi value)and simple definition of polarization index ?

1203

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for a 400kv t/m line with 10 ampere current will corona occur?

2186

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Why have to use copper cable for local isolator to motor ?

2095

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Difference between a pilot wire and a normal conductor?

2044

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What is the difference between shortcircuit current, rated current of cable & MCB with example? What will be the size of cable required for 5.5 KW motor (Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.

2042

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can any tell me why slope 40% and 80% is calculated in differential protection?

1881

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if any body have question paper of railway (section engineering),then plz send me .i will thank of him/her.

1988

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Is there any relevant technique to produce power from light and heat energy of the sun simultaneosly from same rays of light?

1870

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Define newton's law of viscosity.

1200

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what is arc flash and what are the hazards involved

2149

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given data are load current & power factor cable core size? plz any one update the calculation formula

1886

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As i want some model question paper in basic computer science and history please send me immediately sir

1874

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