A steam turbine produces 3000 hp with a mass flow rate of 20,000 pounds per hour. The steam enters at 1000 °F and 800 psi and exits at 2 psi. Calculate the: a. Quality of the steam at the turbine exit b. Isentropic turbine work c. Actual turbine work (Btu/lbm) d. Isentropic efficiency of the turbine.