Multipurpose Class B foams are normally mixed at a 6 percent rate when:
A) applied to polar solvents.
B) applied to hydrocarbon fuels.
C) thinner (wetter) foam is desired.
D) fuel is burning near a body of water.

Question

Quizplus · Accepted Answer

Multipurpose Class B foams are normally mixed at a 6 percent rate when applied to polar solvents, as they are designed to form a barrier on the surface of polar solvent fires, which are not miscible with water.

Multipurpose Class B Foams Are Normally Mixed at a 6