Class B foams are especially effective on:
A) wildland and brush fires.
B) unignited hazardous liquids.
C) fires of ordinary combustibles.
D) hydrocarbon fuels and polar solvents.

Question

Quizplus · Accepted Answer

Class B foams are specifically formulated for use on flammable liquids, including hydrocarbon fuels (like gasoline and oil) and polar solvents (such as alcohols and ketones), making them effective in suppressing these types of fires by creating a barrier between the fuel and the air.

Class B Foams Are Especially Effective On