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Power Systems

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

  Hydrogen.
  Air.
  Water.
  Liquid.

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Power Systems
A thermal generating station has an installed capacity of 15 MW and supplies a daily load of 10 MW for 12 hours and 5 MW for remaining 12 hours. The plant capacity factor for the station is

 0.5
 0.75
 0.6
 1

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Power Systems
Pumped storage plant is a

 both 1 and 2
None of these
 base load plant
 peak load plant

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Power Systems
In kaplan runner, the number of blades is generally of the order of

 12 - 16.
 1 - 2.
  16 - 24.
  3 - 6.

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Power Systems
Surge impedance loading of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading is

 800 MW
 400 MW
 200 MW
 1600 MW

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Power Systems
A thermal protection switch is used to provide protection against

 short circuit.
 over voltage.
  overload.
 temperature.

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