Engine Refrigeration (Supplementary) USCG Question #610 (Set 9)

Referring to the illustrated psychrometric chart, under what conditions are the dry- bulb, wet-bulb, and dew point temperatures for air all equal in value? 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 C — When the air is completed saturated with moisture and the relative humidity is 100%.

Under USCG National Maritime Center examination standards, the accepted correct answer is: When the air is completed saturated with moisture and the relative humidity is 100%..

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