Discussion
Consider the following statements about air conditioning by cooling.
1. Cooling below the dew point removes water from the air.
2. The air leaves saturated at the coil temperature if contact is complete.
3. Reheating afterwards adds water back to the air.
Answer: B
The first two are correct and describe the standard cool then reheat arrangement. The third is wrong, since reheating raises the temperature and lowers the relative humidity but adds no water. The absolute humidity is unchanged by the reheat.
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