8-154 Steam enters a turbine steadily at 4 MPa and 400°C and exits at 0.2 MPa and 150°C in an environment at 25°C. The decrease in the exergy of the steam as it flows through the turbine is a) 58 kJ/kg b) 445 kJ/kg c) 458 kJ/kg d) 518 kJ/kg e) 597 kJ/kg | |
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