A petroleum liquid has a flash point of 135°Fahrenheit. This liquid is classed as a grade __________.
Official USCG Answer & Rule Citation
Correct Answer: Option C — D combustible liquid
Per 46 CFR 30.10-22, combustible liquids are categorized based on flash point. A liquid with a flash point of 135°F falls into the Grade D classification, which includes liquids with a flash point above 80°F and up to 150°F. This distinction dictates specific stowage and handling requirements for safety.
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