A liquid having a flash point above 80°F, but below 150°F, would be termed a grade __________.
Official USCG Answer & Rule Citation
Correct Answer: Option A — D-combustible liquid
Under 46 CFR 30, combustible liquids are classified based on flash points. A liquid with a flash point above 80°F and below 150°F is specifically designated as a Grade D combustible liquid.
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