Question 808Deck Safety70% to pass
Foam is a very effective smothering agent and _______________.
AI Explanation
The correct answer is B) Foam provides cooling as a secondary effect.
Foam is an effective smothering agent that works by cutting off the oxygen supply to the fire. As a secondary effect, the water content in the foam also provides cooling to the burning materials. This cooling effect helps to further suppress the fire.
The other answer choices are incorrect:
A) Foam is not effective for combustible metal fires, which require specialized extinguishing agents.
C) Foam does not work well on electrical fires, as the conductive properties of the foam can actually spread the electrical fire.
Related Questions
#806 When compared to low-expansion foam, a high-expansion foam will _______________.#807 Extra chemicals for producing chemical foam should be stored _______________.#809 One of the limitations of foam as an extinguishing agent is that foam _______________.#810 Semi-portable extinguishers used on inspected vessels are sizes _______________.#811 How do you operate a portable CO2 fire extinguisher?