Deck General USCG Q#673 (Set 21)

You are on a multiple product tankship and carrying methyl acrylate, diethanolamine, and triethylamine. Which statement is TRUE?

Official USCG Answer & Rule Citation

Correct Answer: Option A — The heating coils to the cargo tank loaded with methyl acrylate must be blanked off.

Methyl acrylate is a polymerizable product susceptible to hazardous self-reaction when exposed to elevated temperatures. Per 46 CFR and the Chemical Data Guide, heating coils in tanks containing this cargo must be securely blanked off to prevent polymerization.

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All Deck General Sets Practice Set 21