Power Systems
Pelton wheel turbine is a

  high head turbine.
  medium head turbine.
  none of above.
  low head turbine.

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Power Systems
Gas coolled reactor

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

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Power Systems
Advantages of shunt compensation is/are

 single unit can be used as both capacitance and inductor by adjusting the excitation
All of these
 smooth voltage regulation is possible by controlling excitation
 It requires less maintanance

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