Answer / k.prakashchandra

You mean insulation resistance ?As a rough guide,the megger
value should be at least 2 M ohm per KV rating at 60'C for
11 KV and above.The megger value doubles itself for every
10'C fall in temp.

design a 3 bit synchronous and asynchronous counter using T- flipflop

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how to calculate compresor capacity?

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Can without battery on line UPS,off line UPS or Invertor works please brief.

5 Answers  

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what is the use of ballast in tube

2 Answers  

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In a 11kv/433v transformer,at the LT side ie 433 V side why do we need to put 3.5 core Cable upto Panel.The full load rated Amps is 666 at LV side.What value of current will flow through the Nuetral Conductor.Why can't we use 4Core Cable instea of that?

2 Answers  

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What is voltage

5 Answers   TATA,

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1 hp single phase motor is more likely to get hot thsn inone hp 3 phase motor its true or false? If true why?

3 Answers   Focus, Focus Energy,

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Seamless tubes are made by?

5 Answers   Bhel,

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why can not run two different phase circuit in to the same conduite

1 Answers  

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how many typetesting of transformers?

8 Answers   ONGC,

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How do you determine the size of transformer radiators in a transformer?

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How can we deside Short Ckt level of electrical System,Breakers etc.please provide formula to find SC of HV side & LV side

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