Power Systems
The power station that does not requier any moving part is

 Wind power generation.
 Solar power generation.
 Tidal power generation.
  Thermonic convertor.

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Power Systems
In a pressurized water reactor

 heavy water is used as both coolant and moderator.
 water is used at high pressure so that it is available is liquid from at about 280° C.
 the coolant water boils in the reactor core.
  both B and C.

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Power Systems
Which of the following statements is/are true? The elements of each row of a Y bus matrix for load flow studies in power system add up to zero

 if both 2 and 3 are satisfied
 if the shunt admittances at the buses are ignored
 always
 if the mutual couplings between transmission lines are absent

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Power Systems
A thermal power station needs space

 less than that required by a gas turbine power plant of same output.
 less than that required by the diesel power station of same output.
 less than that required by atomic power station of the same output.
  less than that required by hydro-power station of same capacity.

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