in ct secondary one terminal is connected to earth why?

1 Answers  

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how can i determine the gear ratio for a rack and pinion system if an electronic gate operated by an electric motor is to travel a distance of 5meters in 15 seconds.

0 Answers  

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why only 11kv level is used for transmission purpose? why not 230v?

7 Answers  

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What is spike & surge.

2 Answers  

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725KW Three DG set Synchronised but DG no-1 power showing 750KW DG n0-2 power showing 500KW DG no-03 showing 500KW. DG is Shynchronised but why this different power showing?

3 Answers  

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In a 3 phase,400v,4 wire system, 2 incandescent lamps, one having 230v,100w and the other 230v,200w are connected between r phase- neutral and y phase-neutral respectively. If neutral wire breaks which lamp will fuse first and why?

3 Answers   Eskom, SSC,

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depending on what we can choose the rate of mccb considering that we know the total load

2 Answers  

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why transformers are sometimes kept on concrete benches..?

2 Answers  

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25 kva load,

1 Answers   Voltas,

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For some transformers we are using solid neutral earthing while some others we are using resistance earthing why ?

0 Answers  

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what is mean by marshalling box in transformer?

8 Answers   Reliance,

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are you hear the meaning of burden , excat meaning of burden in only one word

4 Answers  

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