AFF Exit Exam • Set 7 Question 9 of 30
An extinguishing agent which effectively cools, dilutes combustible vapors, removes oxygen, and provides a heat and smoke screen is:
✓
Direct Answer
Option A: Water fog
Water fog, when applied correctly, has multiple extinguishing properties. It cools the fuel below its ignition temperature, dilutes combustible vapors, displaces oxygen, and provides a screen against radiant heat and smoke.
All Options
A
Water fog
(Correct Answer)
B
Halon gas
C
Dry chemical powder formulation
D
Aqueous film-forming foam solution
Detailed Explanation & Context
Water fog, when applied correctly, has multiple extinguishing properties. It cools the fuel below its ignition temperature, dilutes combustible vapors, displaces oxygen, and provides a screen against radiant heat and smoke.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Fire Fighting (AFF).
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