Question 20 of 30
Foam tends to extinguish fire by
A
A) Chemically absorbing the oxygen
B
B) Smothering the burning material
C
C) Releasing large amount of CO2
D
D) None of the above
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Answer & Explanation
The correct answer is Option B: B) Smothering the burning material.
Foam extinguishes fires primarily by smothering. It forms a vapor-suppressing blanket over the surface of the burning liquid, preventing oxygen from reaching the fuel and stopping the combustion process.