Power Systems
The essential requirement(s) for power plants to be operated as peak load plants are

 Quick response to load variation.
All of these
 Capability of quick starts.
 Low capital cost.

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Power Systems
In order to have lower cost of power generaion

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

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Power Systems
Gas coolled reactor

 use heavy water as coolant as well as moderator.
 use CO2. or helium as coolant and graphite the moderator.
  both B and C.
 use coolant at pressure of 14-28 Kg/cm2 and at temperature of 700°-800° c.

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