289. Compute the specific volume of an air-vapor mixture in cubic meter per kg of dry air when

the following conditions prevail: t = 40°C, w = 0.015 kg/kg, and Pt = 90 kPa.

A. 0.99 m3

/kg B. 0.89 m3

/kg C. 0.79 m

3

/kg D. 0.69 m3

/kg