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Question 48

The most effective extinguishing device known for dealing with Class A and B fires is:

    Correct Answer: C

    Dry powder extinguishers are highly effective for both Class A and B fires. They work by suffocating the fire and interrupting the chemical reaction, which makes them versatile for tackling a range of fire types involving combustibles like wood, paper, and flammable liquids.

Discussion
Darioarg78

Foam: These extinguishers work on both Class A and B fires. The foam agent works on Class B fires by separating the fuel and the oxygen by creating a seal on the surface of the flammable liquid. However, these extinguishers will only be effective when the flammable liquid is not free-flowing.

mysteryyOption: C

I thought no water on class B? So wouldn't answer be C?