On a hot day a sweaty athlete stands in a breeze of air at

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Reference no: EM13622083

1) Air has a humidity of 0.04 lbs H2O / lb BDA and a wet bulb temperature of 105oF. What is the temperature of the air?

2) Air has a dew point of 75oF and its relative humidity is 40%. What is its humidity?

3) Air at 90oF has a wet bulb temperature of 80oF. How much more water can it hold?

4) Saturated air leaves a spray chamber at 45oF. The air is heated to 75oF. How is its final percentage humidity?

5) A person is drying hair with a hair dryer. The air in the room is at 70oF, 50% relative humidity. The dryer heats the air to 180oF. What is the temperature of the hair which is being dried?

6) On a hot day, a sweaty athlete stands in a breeze of air at 100oF, 70% relative humidity. To what temperature is the surface of his skin cooled?

7) Based on problem (6), to what temperature would the surface of his skin be cooled if the humidity had been 10%?

Reference no: EM13622083

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