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Power Systems

Power Systems
Location of a surge tank, in an hydro electric power station is near

 tail race.
 dam.
  turbine.
 reservoir.

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Power Systems
Which one of following fuels is used by slow thermal nuclear reaction for power generation

 U238.
 Th232.
 Pu239.
  U235.

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Power Systems
The steam power plant efficiency can be improved by

 using large quantity of water.
  using high temperature and high pressure steam.
 burning large amount of coal.
 decreasing the load on the plant.

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Power Systems
What is the approximate efficiency of a normal thermal power station?

 30-40%
 60-70%
 20-25%
 45-55%

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Power Systems
A hydraulic turbine having rated speed of 250 rpm is connected to a synchronous generator. In order to produce power at 50 Hz, the numbers of pole are required in the generator

 12.
 6.
 16.
  24.

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Power Systems
In a steam power plant, the feed water coming to the economizer is heated plant the feed water coming to the economizer is heated using

 HP steam.
 direct heat in the furnace.
 LP steam.
  flue gas.

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