According to the regulations, what fire safety control feature is required in quick- closing shut off valves?
Official USCG Answer & Rule Citation
Correct Answer: Option B — A fusible link
Title 46 CFR mandates that quick-closing shut-off valves on fuel and oil tanks be fitted with a remote operating mechanism incorporating a fusible link. This link melts at a specific elevated temperature, automatically securing fuel flow during an engine room fire.
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