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

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

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Power Systems
In Rankine cycle, the work output from a turbine is given by

  change in internal energy between inlet and outlet.
  change of enthalpy between inlet and outlet.
  change in temperature between inlet and outlet.
  change of entropy between inlet and outlet.

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