Power Systems
Half life is defined as

 the time required for full of atoms in a specimen disintegrate.
 none of above.
  the time required for one half of isotope to decay.
 the time required to spiliting of a heavy nucleus.

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Power Systems
In a pressurized water reactor

 water is used at high pressure so that it is available is liquid from at about 280° C.
 heavy water is used as both coolant and moderator.
  both B and C.
 the coolant water boils in the reactor core.

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Power Systems
In order to have lower cost of power generaion

 the load factor and diversity factor should be low
 the load factor should be low but diversity factor should be high
 the load factor should be high but diversity factor should be low
 The load factor and diversity factor should be high

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