Engine General (Supplementary) USCG Question #1100 (Set 20)

Referring to the illustrated motor ship fresh water cooling system drawing, what statement is true concerning the main engine jacket water cooling system heat recovery capability as associated with generating fresh water? (MP-CW-06) Illustration MP-CW-06: the U.S. Coast Guard has not released this illustration.

Official USCG Answer & Rule Citation

Correct Answer: Option D — The evaporator itself is used as a main engine heat recovery device for use in generating fresh water at the evaporator.

The evaporator functions as a heat recovery device by utilizing the thermal energy from the main engine jacket water. By passing hot jacket water through the evaporator, the system effectively generates fresh water, maximizing thermal efficiency and reducing the need for auxiliary steam or electrical heating sources.

100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.