Power Systems
Pump storage schemes are used to improve

 the load factor.
 the power factor.
 the diversity factor.
  the plant capacity factor as well as the load factor of the power system.

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Power Systems
Gas coolled reactor

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

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