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Power Systems

Power Systems
For large plants of capacity for more than 15 MW, what type of cooling is used

  Water.
  Air.
  Liquid.
  Hydrogen.

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Power Systems
Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is

 125 MVA
 100 MVA
 400 MVA
 500 MVA

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Power Systems
Which of the following is not a secondary nuclear fuel

  U235.
 None of above.
 Pu239.
 U233.

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Power Systems
Length of the cable is doubled, its capacitance C will be

 one-fourth.
 doubled.
 unchanged.
 one-half.

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Power Systems
Pelton wheel turbine is a

  high head turbine.
  low head turbine.
  medium head turbine.
  none of above.

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Power Systems
A hydroelectric power station is commonly found in

 desert areas.
  hilly areas.
 grasslands.
 swamps.

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