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Room air at 20°C DBT and 60% RH is mixed with outdoor air at 40°C DBT...

Room air at 20°C DBT and 60% RH is mixed with outdoor air at 40°C DBT and 40% RH in the ratio 4:1. The mixture is passed through a cooling coil whose temperature is maintained at 9°C and whose bypass factor is 0.25, Find the following: a) Condition of air entering the coil b) Condition of air leaving the coil c) If 250 m3 /min of air is supplied to the room, find the refrigeration load on the cooling coil

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