Using the available references, if the dry bulb temperature is 92° and the wet bulb temperature is 85°, what is the relative humidity in a cargo hold?
Official USCG Answer & Rule Citation
Correct Answer: Option A — 75%
Entering psychrometric charts with a dry bulb temperature of 92 degrees Fahrenheit and a wet bulb temperature of 85 degrees Fahrenheit directly yields a relative humidity value of 75 percent.
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