How to select the cable size for the given load ?Pls explain the Formulae

3 Answers  

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1-What is the difference between absorption factor and polarization factor in insulation resistance test in transformers? and why we inject until ten minutes to get polarization factor?

1 Answers  

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What is Diff. btw Cat-5 & Cat-6 Network Cables???

3 Answers   Emerson,

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which is the slowest motor? and wt is speed ?

1 Answers  

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When a square wave is applied to primary of a transformer then what will be output wave form of secondary ?

2 Answers   Sail, TCS,

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some time we open engine breaker 8.0 MW load but plant not trip. and another time engine open 4.0 MW load engine trip why? individually engine breaker open & individually emergency stop why difference?

0 Answers  

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what is the advantage of connecting capacitors in delta than in star?

0 Answers  

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For having nonavailablity of 10 Amps fuse, a lineman replace the same with 5Amps two strand, Do he correct ?

4 Answers  

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static chagre

0 Answers  

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what is the difference between LT & HT Motors

11 Answers   L&T,

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how to check a transformer insulation?

3 Answers   Kirloskar, Kirloskar Chillers,

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How many straight through joint is permissible in single core 33kv XLPE cable for a length of 985 mtr.

3 Answers   DMRC,

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