OCTCO/OCTF Exit Exam • Set 4 Question 11 of 30

Foam extinguishes a fire by?

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Direct Answer

Option B: Smothering or oxygen exclusion

Foam extinguishes flammable liquid fires primarily by blanketing the surface, thereby smothering the fire and excluding oxygen from the fuel vapours.

All Options

Heat removal or cooling

Smothering or oxygen exclusion (Correct Answer)

Flame inhibition

Chain reaction

Detailed Explanation & Context

Foam extinguishes flammable liquid fires primarily by blanketing the surface, thereby smothering the fire and excluding oxygen from the fuel vapours.

Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Oil and Chemical Tanker Cargo Operations (OCTCO/OCTF).

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