The degree of foam expansion depends on the type of foam concentrate, accurate proportioning, quality of the foam concentrate and:
A) method of aeration.
B) outside air temperature.
C) length of discharge hose.
D) wind direction and velocity.

Question

Quizplus · Accepted Answer

The degree of foam expansion is significantly influenced by the method of aeration, as this process introduces air into the foam solution to create the foam.

The Degree of Foam Expansion Depends on the Type of Foam