what is the IEC standard for Power Cable installation in onshore (like in direct buried ground or above groung)

0 Answers   L&T,

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Explain UPS

1 Answers   Powerica,

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why we use ac?why we use dc? why we we cannot use only ac/dc for all the applications?what happen if we use?

0 Answers  

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I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id: vsujith_rajan@yahoo.co.in

3 Answers   RRB,

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Which one hurts more AC or DC Current ?

10 Answers  

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what is the advantage of using 3 phase line rather than using 2 phase line?

2 Answers   Havells,

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Define what is difference between fuse and breaker?

0 Answers  

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why the earth pin is thicker than other pins in a plug? If it is for reducing resistance, then why the copper earth wire is not so thick as earth pin of socket?

5 Answers   Omax,

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What do you mean by turns ratio of instrument transformer?

0 Answers  

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I have a 33 KV sub stn with two mother transformers 33/11 KV of capacity 3150 and 1600 KVA respectively. The total connected load 16809 KVA(11/0.433KV).how i calculate the max current & how i decided the CMD.

2 Answers  

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In a house wiring why we are using only one neutral wire and so many phase wires from the main board, when the load is common for both wires?

3 Answers  

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What is the difference between ARC & SPARK?

4 Answers   OPTCL,

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