REFA Exit Exam • Set 1 Question 3 of 30

Which fire extinguisher is most prone to freezing when stowed in low temperature?

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Direct Answer

Option C: Foam

Water-based chemical solutions in stored-pressure foam fire extinguishers freeze readily in sub-zero marine environments, risking container rupture or operational failure, unlike CO2 or dry chemical agents.

All Options

Halon 1211

Carbon dioxide

Foam (Correct Answer)

Dry chemical

Detailed Explanation & Context

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Elementary First Aid (REFA).

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