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6. One of the steam turbines within the starship Enterprise supplies shaft work to a generator in order to produce power for the ship.

6. One of the steam turbines within the starship Enterprise supplies shaft work to a generator in order to produce power for the ship. The inlet state of the steam is 600 C and a pressure of 50.0 MPa. The outlet state is 200 C and 5MPa. Determine the isentropic efficiency of the turbine assuming heat loss to be negligible.

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