Air at 100 F (38 C) db, 65 F (18 C) wb, and sea-level pressure is humidified adiabatically with steam.

Air at 100 F (38 C) db, 65 F (18 C) wb, and sea-level pressure is humidified adiabatically with steam. The steam supplied contains 20 percent moisture (quality of 0.80) at 14.7 psia (101.3 kPa). The air is humidified to 60 percent relative humidity. Find the dry bulb temperature of the humidified air using (a) Chart 1a or 1b and (b) the program PSYCH.