Safety & Environmental Protection (Deck) USCG Question #1052 (Set 32)

If an engine shuts down due to high jacket water temperature, what action should be taken?

Official USCG Answer & Rule Citation

Correct Answer: Option A — Allow engine to cool gradually

Allowing an overheated engine to cool gradually while running slowly or idling prevents uneven thermal contraction and severe cracking of cylinder heads, liners, and engine blocks caused by rapidly adding cold water.

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