Each of the following exercises requires evaluating the quality of a two-phase vapor mixture:

(a) The quality of a two-phase liquid-vapor mixture of H2O at 40Oc with a specific volume of 10m3/Kg is

(i) 0, (ii) 0.486, (iii) 0.512, (iv) 1

(b) The quality of a two-phase liquid-vapor mixture of propane at 20 bar with a specific internal energy of 300KJ/Kg is (i) 0.166, (ii) 0.214,

(iii) 0.575, (iv) 0.627

(c) The quality of a two-phase liquid-vapor mixture of Refrigerant 134a at 90lbf/in2 with a specific enthalpy of 90 Btu/lb is (i) 0.387, (ii) 0.718 (iii) 0.806, (iv 0.854

(d) The quality of a two-phase liquid vapor mixture of ammonia at -200F with a specific volume of 11ft3/lb is (i) 0, (ii) 0.251, (iii) 0.537, (iv)0.749