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Power Systems

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

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

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Power Systems
The function of reflector is to

 reduce the speed of the neutrons.
 stop the chain reaction.
  bounce back most of the neutrons that escape from the fuel core.
 none of above.

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Power Systems
For 132 kV system, the reactance and capacitance up to the location of the CB is 3 Ω and 0.015 μF respectively. The maximum value of RRRV is

  9.01 kV / μs.
 10.01 kV / μs.
 12.2 kV / μs.
 2.0 kV / μs.

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Power Systems
If sparsity of a 5 bus transmission line is 0.4. Find the number of transmission lines?

 5
 3
 6
 4

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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

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

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Power Systems
Which type of connection is employed for current transformers for the protection of delta- star connected 3-phase transformer?

 star-delta
 star-star
 delta-delta
 delta-star

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