Motor Plants & Auxiliary Boilers USCG Question #1139 (Set 22)

Using a cooling water temperature of 225°F (107.2°C), instead of 180°F (82.2°C) in an auxiliary diesel engine, will __________.

Official USCG Answer & Rule Citation

Correct Answer: Option C — reduce the opportunity for the formation of sulfuric acid in the cylinder bore exhaust passages

Under USCG National Maritime Center examination standards, the accepted correct answer is: reduce the opportunity for the formation of sulfuric acid in the cylinder bore exhaust passages.

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