Referring to the illustrated psychrometric chart, if the measured dry-bulb temperature oo is 80F and the measured wet-bulb temperature is 70F, what is the determined relative humidity? GS-RA-22 Illustration GS-RA-22: the U.S. Coast Guard has not released this illustration.
Official USCG Answer & Rule Citation
Correct Answer: Option B — 60%
Under USCG National Maritime Center examination standards, the accepted correct answer is: 60%.
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