Chart 1a ASHRAE Psychrometric Chart No. 1 (IP) (Reprinted by permission of ASHRAE.) ASHRAE PSYCHROMETRIC CHART NO. 1 NORMAL TEMPERATURE BAROMETRIC PRESSURE 29.921 INCHES OF MERCURY COPYRIGHT 1963 AMERICAN SOCIETY OF HEATING, REFRIGERATING AND AIR-CONDITIONING ENGINEERS, INC. SEA LEVEL HUMIDITY RATIO (W) POUNDS MOISTURE PER POUND DRY AIR 028 024 .020 .016 .012 .008 .004 32 ENTHALPY OF WATER-BTU-PER LB DRY AIR 12.3.4.5.6.7 8 9 1.01.11.2 8 SATURATION 40 50 60 70 90 WET BULB OR WATER TEMPERATURE F 20 50003000 1500 SENSIBLE HEAT TOTAL HEAT b bb ENTHALPY HUMIDITY RATIO " 1000 AW ENTHALPY (h) DTU PER POUND OF DRY AIR ATURATION TEMPERATURE 20. 50 85F WET-BULB TEMPERATURE E HUMIDITY ENTHALPY (h) BTU PER POUND OF DRY AIR 026 020 018 008 60 ·55 50 40 35 30 Air is cooled from 80 F db and 67 F wb until it is saturated at 55 F. Using Chart 1a, find (a) the moisture removed per pound of dry air, (b) the heat removed to condense the moisture, (c) the sensible heat removed, and (d) the total amount of heat removed.