Safety & Environmental Protection (Deck) USCG Question #1090 (Set 34)

Gasoline tanks should be filled __________.

Official USCG Answer & Rule Citation

Correct Answer: Option D — to near the top with some space allowed for gasoline expansion

Gasoline tanks should be filled near capacity while leaving adequate ullage space to accommodate liquid expansion from temperature increases. Overfilling risks forcing liquid fuel through tank vents into enclosed spaces, creating severe fire and pollution hazards.

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