Power Systems
The power output from an hydroelectric plants depend on

 type of dam, head, system efficiency.
 type of dam, type of catchment area and discharge.
 type of turbine, type of dam and type of catchment area.
  discharge, system efficiency.

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Power Systems
Gas coolled reactor

  both B and C.
 use CO2. or helium as coolant and graphite the moderator.
 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.

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