Steam enters a turbine at 30 bar, 300 C (u = 2750 kJ/kg, h = 2993 kJ/kg) and exits the turbine as saturated liquid at 15 kPa (u = 225 kJ/kg, h = 226 kJ/kg). Heat loss to the surrounding is 50 kJ/kg of steam flowing through the turbine. Neglecting changes in kinetic energy and potential energy, the work output of the turbine (in kJ/kg of steam) is______.

Steam enters a turbine at 30 bar, 300 C (u = 2750 kJ/kg, h = 2993 kJ/k

1.	Steam enters a turbine at 30 bar, 300 C (u = 2750 kJ/kg, h = 2993 kJ/kg) and exits the turbine as saturated liquid at 15 kPa (u = 225 kJ/kg, h = 226 kJ/kg). Heat loss to the surrounding is 50 kJ/kg of steam flowing through the turbine. Neglecting changes in kinetic energy and potential energy, the work output of the turbine (in kJ/kg of steam) is______.
A.	1417 kJ/kg
B.	2717 kJ/kg
C.	2728 kJ/kg
D.	2564 kJ/kg
Answer» C. 2728 kJ/kg

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