Answer Posted / ranjan maithan

fault level depends on your system's percetage impedance.In
general practice we are using 28KA for 3 secs. or 40KA for
3 secs.

Its possible to use 3core 2R of 240 sq.mm cable for 3phases & separely 50sq.mm 3core cable fully for Neutral for connection of PCC to MCC 3ph..4wire system?

2095

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sir, i'm preparing for hpcl exam officer trainee pls tell me how the exam ques paper pls pls

2245

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1.What is captive power plant? 2.What is national grid?Give brief idea.

2149

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what is mean by dry frequency

2450

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what is the difference between "Rotary bypass isolation switch and Normal bypass switch" pls share indepth techs?

2054

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1.what is difference between ATS & STS main use. 2.what is difference between ACB& VCB With symobles,and main partes, manimum range. 3.How many types of relays and main function.

6296

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What is the tube exial fan?

2204

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What is PEC??Applications........

1967

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why u r living from presentaly working.

2558

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What are the main significances of root locus?

1225

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i have install 750 kva distribution transformer at my site and want to do neutral earthing. what calculations should i follow to determine earthing conductor material and size?

2056

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What is meant by reverse polarity and how it can be fixed?

1258

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What types of question are done for diploma students in aptitude test

1639

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what is the diference between the 4pole & 6pole DC Motors & what is advantage 6pole over the 4pole ?

1998

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How would you calculate power loss in a resistor?

1060

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