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Power Systems

Power Systems
Cheapest plant in operation and maintenance is

  nuclear.
  diesel power.
  steam power.
  hydroelectric.

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Power Systems
Keeping in view the cost and overall effectiveness, the following circuit breaker is suited for capacitor bank switching

  oil.
  vacuum.
  air blast.
  SF6.

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Power Systems
One atomic mass unit is equivalent to

 120.4 MeV.
 251.2 MeV.
 180.5 MeV.
  931.4 MeV.

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Power Systems
In load flow studies PV bus is treated as PQ bus when

 voltage at the bus become high
 reactive power goes beyond limit
 phase angle become high
 any of the above

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Power Systems
Deflectors are provided in

 Francis turbine.
 Kaplan turbine.
  Pelton wheel.
 propeller turbine.

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Power Systems
Rankine cycle efficiency of a steam power plant is of

  60 - 80 %.
  45 - 80 %.
  20 - 30 %.
  30 - 45 %.

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