Engine Safety (Supplementary) USCG Question #541 (Set 7)

Which set of valves will be opened intentionally to remove heat from the main engine jacket cooling water system shown in the illustration? Illustration MO-0111

USCG Exam Illustration MO-0111
USCG Examination Diagram: Illustration MO-0111
Official USCG Answer & Rule Citation

Correct Answer: Option D — "A" and "C", "L" and "M"

Valves 'A', 'C', 'L', and 'M' configure the circuit to route jacket water through the central heat exchanger for proper heat rejection to seawater.

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