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Power Systems

Power Systems
India’s largest thermal power station is located at

 Chandrapur.
 Kota.
 Neyveli.
 Sarni.

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Power Systems
A generator has a rating of 10 MVA, 5 kV has a reactance of 0.02 pu. Find the reactance at a new base values of 50 MVA, 10 kV?

 0.25
 0.02
 0.05
 0.025

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Power Systems
Where is the draft tube of a hydroelectric plant that is an airtight pipe located

 In between the runner exhaust and the tail race.
  In between the penstock and runner.
 At the beginning of the penstock.
 Near the surge tank.

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Power Systems
Ferranti effect will not occur in which of the following transmission lines

 short transmission lines
 long transmission lines
 medium transmission lines
All of these

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Power Systems
One Kg of natural uranium gives energy equivalent to about

 5000 Kg of coal.
 1000 Kg of coal.
  10500 Kg of coal.
 100 Kg of coal.

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Power Systems
Buchholz relay is used for protection of

  alternator.
  transformer.
  bus bar.
  none of these.

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