In the engine shown in the illustration, the part labeled 'W' is cooled by __________. Illustration MO-0003
Official USCG Answer & Rule Citation
Correct Answer: Option D — sea water
In large marine crosshead diesel engines, sea water is universally utilized as the ultimate cooling medium in raw-water heat exchangers to dissipate accumulated thermal energy from auxiliary systems and specific engine components.
100% Free & Open Access — No daily limits, paywalls, or gated answers on BrightMariner.