Question 2548Deck General70% to pass
According to the regulations, what fire safety control feature is required in quick- closing shut off valves?
AI Explanation
The correct answer is C) A fusible link.
According to U.S. Coast Guard regulations, quick-closing shut-off valves on fuel lines are required to have a fusible link as the fire safety control feature. The fusible link is designed to melt at a specific temperature, typically around 165°F, causing the valve to automatically close and shut off the fuel supply in the event of a fire. This helps contain the fire and prevent it from spreading through the fuel system.
The other options are incorrect because they do not match the specific regulatory requirement for a fusible link. A manual cut-off switch (A) or an electrical cut-off switch (D) would require a person to actively engage the valve, whereas the fusible link provides an automatic shut-off mechanism. A water spray actuator (B) is not the standard fire safety control feature specified for quick-closing shut-off valves.
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