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230. The introduction of outside air to the air conditioning system is 90°F with a relative humidity of 60%. The air has been conditioned to 70°F with a relative humidity of 80%. Using the psychrometric chart, shown in the illustration, determine the quantity of moisture removed from one pound of the conditioned air
The air conditioning system removed 40 grains of moisture per pound of dry air. The entering air contained approximately 120 grains of moisture, while the conditioned air contained approximately 80 grains, resulting in a difference of 40 grains.
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