Refresher Exit Exam • Set 3 Question 13 of 30

Automatic fire dampers in ventilation systems are operated by use of

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Direct Answer

Option A: Fusible links

Fusible links are heat-sensitive components designed to melt at a specific temperature. When they melt, the tension holding the damper open is released, allowing the fire damper to close automatically and isolate ventilation ducts to prevent fire spread.

All Options

Fusible links (Correct Answer)

Remotely operated valves

Heat or smoke detectors

CO2 system pressure switches

Detailed Explanation & Context

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Course for STCW Modular Courses (Refresher).

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