what is the requirement regarding earthing of Single conductor with AWA

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A current of 2A flows for 10 hour through a 100 ohm resistor. The energy consumed by the resistor is:(a) 0.5 kWh(b) 4 kWh(c) 2 kWh(d) 0.02 kWh

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In domestic supply, when neutral touches earth the earth leakage trips. Does this mean that if the star (neutral) point of an alternator is earthed that power will flow to earth i.e. a direct short to earth?

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If anyone would like to know or practice for FEWA papers contact me on mohamedrashad2@hotmail.com Just completed the supervisor exam in April 2021

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does frequency affects the load? if yes elaborate it.

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what is sustainable current of any conductors . a bare busbar or pvc cable has different sustainable current .

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wich timer i have prefred for pusher operation fwd & back?

2 Answers   AluChem,

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How to find the maximum load(in KW)in a big industry, having motors,lights,lifts etc..?

2 Answers   ME,

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why capacitors cant used in genset to maintain power factor..??

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application s to shunt coil

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All the socket in a room become very hot, the Wall was also became very hot and the earth conductor also became live, what in your view might be the possible causes?

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how u select control transformer for a mccb panels or any panels?for expample we hav 440 volts maim supply and control volts is 230v?

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