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Power Systems

Power Systems
If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is

 50 MJ
 8 MJ
 200 MJ
 400 MJ

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Power Systems
When series reactor is used in generating stations, the fault current magnitude is

 remains unaffected
 reduced
 any of the above
 increased

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Power Systems
Highest pressure generating pump inside the thermal plant is

 boiler feed pump
All of these
 high pressure heater
 low pressure heater

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Power Systems
The time taken by the turbine to fall to 0 rpm speed from 3000 rpm is called

  settling time.
  damping time.
  coasting time.
  stopping time.

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Power Systems
Which of the following statement is/are true regarding infinite line?

 both 2 and 3
 It maintains the constant voltage
 It has infinite voltage
 It has infinite length

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Power Systems
Which of the following is a reaction turbines

  Francis turbine and Kaplan turbine.
  None of these.
  Pelton turbine and Francis turbine.
  Kaplan and Pelton turbine.

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