On a mollier diagram show all the stagnation and static points required to represent the complete flow process in a diffuser. air enters a diffuser with an average velocity of 375 m/s at a stagnation pressure and temperature of 360 kpa and 470 k respectively and leaves at a stagnation pressure of 300 kpa with an average velocity of 120 m/s and a static pressure of 280 kpa. determine (i) the static pressure and mach number of the air at inlet (ii) the diffuser efficiency, (iii) the mach number at exit and the overall entropy increase.