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- Master (Oceans or Near Coastal (Uninspected Fishing Industry Vessel)) »
- Q181 - Deck Safety
234. How would the exhaust of a properly operating diesel engine appear?
A properly operating diesel engine exhibits efficient combustion, resulting in essentially colorless, clear exhaust. Visible exhaust smoke, regardless of color, indicates incomplete combustion, burning lubricating oil, or improper fuel/air mixture, signifying a malfunction. Therefore, the correct answer is perfectly clear.
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