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Power Systems

Power Systems
Which of the following material is not used as fuse element?

  Carbon.
  Silver.
  Copper.
  Aluminium.

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

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

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Power Systems
Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be

 0.15 pu
 0.05 pu
 0.45 pu
 0.25 pu

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Power Systems
For variable heads of near about but less than 30 m, which type of turbines is used hydro power plant

 Pelton.
  Kaplan.
 None of above.
 Francis.

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Power Systems
Which of the following power plants needs highly skilled/qualified engineers for its operation

 Hydro Power Plant
 Nuclear.
 Gas-turbine.
 Thermal.

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Power Systems
Ferranti effect can be compensated by which of the following

 both 1 and 2
 series capacitor
 shunt capacitor
 shunt reactor

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