Is there a standard depth of gravel fill in Substation Switchyard? Please give a design/drawing. Thank you.

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What are the applications of autotransformers?

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suppose a fan is running with phase and neutral. if its neural is touched to body. then fan get stopped. if this fan is connected to phase and ground supply..then why it runs?

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i need to give section engineer (electrical engineer) for RRB. Please suggest some book

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Why choke coil is connected in series with starter in tubelight??why starter is connected in parallel to tubelight??

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wht is embedded systems? what is new inthis field?

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How many types of electrical earthing are there?

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i need list of swg(standard wire guage) or area of conductor v/s current carrying capacity of conductor copper & alluminium...

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a induction motar has 30-35% exciting current at no load but in transformer it is only 2-3% ofbrated current why any reason?

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what are factors to be consider to design a HT & LT motor?

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what is the means of dedicate earthing?

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In convertor can we use rectifier thyristor in place of invertor thyristor with explain.

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