Question 16 of 30
What are the core physical/smothering characteristics of Carbon Dioxide (CO2) when used for firefighting?
A
It displaces oxygen
B
It is in itself not dangerous (not toxic/poisonous in low levels)
C
It is heavier than oxygen
D
All of the above
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Answer & Explanation
The correct answer is Option D: All of the above.
Carbon Dioxide is an effective fire extinguishing agent because it is heavier than air, displaces oxygen, and is non-conductive, making it suitable for electrical fires; however, it is an asphyxiant requiring caution.