RAFF Exit Exam • Set 4 Question 11 of 30

Class D fire involves

✓

Direct Answer

Option A: Fire involving metal

Class D fires involve combustible metals such as magnesium, titanium, sodium, and lithium. These materials react violently with standard extinguishing agents, requiring specialized dry powder compositions that suppress combustion without causing explosive chemical reactions.

All Options

A

Fire involving metal (Correct Answer)

B

Fire involving liquids

C

Fire involving gas/electrical

D

Fire involving solid materials

Detailed Explanation & Context

Class D fires involve combustible metals such as magnesium, titanium, sodium, and lithium. These materials react violently with standard extinguishing agents, requiring specialized dry powder compositions that suppress combustion without causing explosive chemical reactions.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Refresher Advanced Fire Fighting (RAFF).

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