A petroleum liquid has a flash point of 85°F. This is a grade __________.
Official USCG Answer & Rule Citation
Correct Answer: Option C — D combustible liquid
Title 46 CFR classification standards define Grade D combustible liquids as those petroleum products possessing a closed-cup flash point ranging from 80°F up to 200°F. A flash point of 135°F places the liquid squarely into this Grade D combustible classification.
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