Steam leaves the boiler of a Rankine cycle power plant at 3000. psia and 1000.°F. It is isenthalpically throttled to 600. psia before it enters the turbine. It then exits the turbine at 1.00 psia. Neglecting the pump work, determine
a. The maximum thermal efficiency of this plant.
b. Its maximum thermal efficiency if the boiler is operated at 600. psia and 1000.°F and no throttling occurs at the entrance to the turbine.