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Engine: General Subjects

Question 2,387 of 1,465

Referring to the illustrated psychrometric chart, suppose air at a dry bulb temperature of 60oF and a relative humidity of 52% passes over a heating coil, resulting in sensible heat gain, and the off-coil temperature is now 80oF. What is off-coil relative humidity?

USCG illustration RA-0022 for Engine General Subjects question 2387
Illustration RA-0022
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Appears on the 2026 sample exam for

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