Question
3-54E Superheated water vapor at 180 psia and 500°F is allowed to cool at constant volume until the temperature drops to 250°F. At the final state, determine (a) the pressure, (b) the quality, and (c) the enthalpy. Also, show the process on a T-U diagram with respect to saturation lines. Answers: (a) 29.84 psia, (b) 0.