Answer / k.prakashchandra

Earth wire should be capable of carrying at least ,the full
load current . It can be of cu ,Al or GI.

Answer / kathiravan

actually the earth conductor capacity not lees than twice
that of FLC of connected load.In india normally cu and GI
flats are used more than 35kw where as open cu wires and GI
wires.The motto of earthing is that "Human Protection" means
the fault current has to be earthed in safe manner.

what happened if power factor is "1"

9 Answers   Reliance,

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what is pressure relief valve?where it is used????

4 Answers   Mecon,

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In all analog voltmeters or ammeter showing some small size symbols. as well as a star and in star 2no. digit, resister symbol,and other. what is that's meaning ?

1 Answers  

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will a bulb glow connected to two phases of a delta connection?

6 Answers  

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In a d.c circuit, if current and resistance are known, power (P=I*I*R) can be determined. This relationship also applied to an a.c circuit. Comment the reason for this.

3 Answers  

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in alternator why on load terminal voltage is less than no load teprminal voltage

1 Answers  

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What do you mean by distribution transformers?

0 Answers  

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

0 Answers   PSEB,

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In a star to star transformer can we use a common neutral for both star connected primary and secondary

1 Answers  

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Waht will happened if reactive power increase in the line? waht about active power increase too?

3 Answers  

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if we convert ampers into kwh or mwh ,which one formula use by us,pls tell me?

3 Answers  

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. Is there a simple method to measure the horsepower of a small motor (1-3 hp) for a non-technical person

2 Answers  

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