Question 12: For a temperature of 300 K and assuming other parameters if necessary, calculate the speed of sound in the two-phase air and water mixture according to the Homogeneous Model and draw a qualitative graphic of the variation of the speed of sound with the gas void fraction (4 marks). Question 13: Discuss the result and the pertinence of the adoption of the Homogeneous Model to this problem (3 marks).

Fig: 1

Fig: 2