Question 15 of 30
As a firefighting medium, CO2 can be dangerous under certain conditions as it can cause:
A
Severe toxic vapor contamination inside boiler loops
B
Freeze burns and blistering
C
Spontaneous flashover due to compression waves
D
Corrosion of sensitive mechanical gears
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Answer & Explanation
The correct answer is 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.