AFF Exit Exam • Set 6 Question 14 of 30
As a firefighting medium, CO2 can be dangerous under certain conditions as it can cause:
✓
Direct Answer
Option B: Freeze burns and blistering
CO2 is stored under pressure and expands rapidly when released, causing a significant drop in temperature. This extreme cold can cause freeze burns or blistering on contact with skin, and also reduces visibility by creating fog.
All Options
A
Severe toxic vapor contamination inside boiler loops
B
Freeze burns and blistering
(Correct Answer)
C
Spontaneous flashover due to compression waves
D
Corrosion of sensitive mechanical gears
Detailed Explanation & Context
CO2 is stored under pressure and expands rapidly when released, causing a significant drop in temperature. This extreme cold can cause freeze burns or blistering on contact with skin, and also reduces visibility by creating fog.
Relevant Framework: STCW 2010 Manila Amendments • DG Shipping E-Learning & Exit Exam Standards • Advanced Fire Fighting (AFF).
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