15.5 In an auditorium which is to be maintained at a temperature not exceeding 24°C and a relative humidity not exceeding 60%, a sensible heat load of 132 kW and 78 kg/h of moisture has to be removed. Air is supplied to the auditorium at 18°C. (a) How many kg of air per hour must be supplied? Scanned by CamScan Psychrometry of Air-Conditioning Processes 407 (b) What is the dew point temperature of supply air and what is its relative humidity? (c) How much latent heat is picked up in the auditorium? (d) What is the sensible heat factor?