Answer Posted / kalpesh

the earth resistance can be checked by using earth tester
04 spike method.

as far as minimum earth resistance value is concern, it
depends on teh type of gazet connected to this earth pit.
however the resistance should be as low s possible

what is mean by descripiency relay? & wht is its ansi code?

3162

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Is it required to do earthing in 2nd shop if earthed armoured cable is laid from 1st shop ?

1916

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WHAT WOULD BE THE FORMULA OF WIRE GAUGE FOR A FULL LOAD CURRENT

2302

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I have a small system with two motors that are running on 380 vac, 60 hz. These motors are expensive and I usally get them from Brazil. I am adding another motor to the system, but I want to purchase a 480 vac, 60 hz motor to use. It will be on a VFD that is rated fro 380 thru 480. Is this posible and will I have to use a larger motor and derate it?

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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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why it is so called as xlpe(cross linked poly ethyline) cable?

2078

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What are conduct on the testing in cf in ur site?

1655

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

1978

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what is the circutor?why we use it ?

2320

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2137

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how can you calculate fault level ?

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what is the maintaining Cf in UPS.

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For group 1 , 2 whather i have to prepare my technical or general studies etc? and im graduate in ee engg. for wht posts im eligible for? please tell me!

2189

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what is the function of capacitor duty contactor in an capacitor panel???

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