Power Systems
The conversion ratio of a breeder reactor is

  equal to unity.
  more than unity.
 less than unity.
 none of above.

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Power Systems
The draft tube is provided to

 raise the water surface of the stream to create an artificial head.
 reduce the effect of water hammer.
None of these
  increase the acting head on the water wheel.

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Power Systems
A sodium graphite reactors use

  sodium as coolant and graphite as moderator.
 a mixture of sodium and graphite as coolant.
 a mixture of sodium and graphite as moderator.
 sodium as moderator and graphite as coolant.

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