superheated steam, with a state of 450 ∘c, 1.8 mpa , flows into an adiabatic mixing chamber at a rate of 0.31 kg/s . a second stream of dry, saturated water vapor, at 1.8 mpa , enters the chamber at a rate of 0.15 kg/s . there is no pressure loss in the system and the exit pressure is also 1.8 mpa .