Answer Posted / gupta

it is 2 Mohm/kv

pls tell me function of closing coil of A.C.B.

3368

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Is MEN and RCD related to each other ?? IF yes then how??

1867

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HOW TO SET THE EARTH FAULT SETTINGS IN ACB????????????

2149

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Is potential difference materials property ..? if yes tnen how.. explain brifly.

2033

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What are operating procudures & Safety precautions to be observed while operating OLTC in manual mode ?

1940

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I have 2 KW electric water heater.I am gonna use it in controlling water temp.so I needed to increase or decrease the heating capacity.is there any electrical-electronic circuit for varying the resistance & so current?

3249

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How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?

2122

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What is the difference between the relay and the circuit breaker?

1110

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We are designer please help me calculate the size of 11kv cables from step up transformer to M.V panel, total load is 5 mega watt distance 900 feet (used aluminum type cables) please provided formula for calculate the cable with example.

1634

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What are the functions of temperature scanner in power transformer?

2167

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what is meant by re-rolling motor? how it differs from standard motor?

2012

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What is time invariant system?

1144

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what is the effect of un-synchronized power.

2035

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What is the meaning of HT Trivector Meter ?

2435

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It is desired to flood light the front of a building 42 meters wide and 16 meters hig.Projectors of 30 degree beam spread and 1000 watt lamps giving 20 lumen/watt are availabl.If the desired level of illumination is 75 lumen/m and show a suitable scheme.Assume the cofficient of utilization, deprecitation factor and waste light factor are 0.4, 13 and 1.2 respectively.

3855

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