Engine Plants (Supplementary) USCG Q#749 (Set 7)

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.

All Engine Plants (Supplementary) Sets Practice Set 7