Why we did not feel electric shock in electric train?

1 Answers   NTPC,

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What is genrally the % Impedance of a Dg set? How can we calculate Earthing conductor size for a DG set?

0 Answers  

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What will happen if supply frequency change in Transformer KVA rating ?

1 Answers  

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Define newton's law of viscosity.

0 Answers   Godrej,

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how is reactive power controlled on the transmission system

2 Answers  

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we can use airconditioner for cooling the winding of transformer ,if not why?

3 Answers  

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Why HT 11 KV Slipring Motors are connected in star ?

0 Answers  

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What is the difference between earth and neutral

3 Answers  

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what are the difference between protection class CT and Class PS CT

13 Answers  

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why US countries maintains 110v and 60HZ

0 Answers  

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Which are the types of breakers used in High Tension (HT) side?

1 Answers  

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what types battery chargers are there?wanted with details.

3 Answers   SCS,

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