Power Systems
Pump storage schemes are used to improve

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

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Power Systems
Gas coolled reactor

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

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