enters a nozzle steadily at 50 psia, 1408F, and 150 ft/s and leaves at 14.7 psia and 900 ft/s. The heat loss from the nozzle is estimated to be 6.5 Btu/lbm of air flowing. The inlet area of the nozzle is 0.1 ft2 . Determine (a) the exit temperature of air and (b) the exit area of the nozzle.