When applied to solid fuels, Class A foam blankets the fuel, controls flames, then:
A) changes the pH of the water.
B) expands at a ratio of 20-to-1.
C) dissipates into the air, leaving no residue.
D) breaks down, releasing water to cool the fuel.
Correct Answer:
Verified
Q1: High-expansion foam is typically used for:
A) wildland
Q3: Factors to consider in selecting a foam
Q4: Which of the following statements about foam
Q5: Class B foams are especially effective on:
A)
Q6: Class A foam extinguishes and/or prevents ignition
Q7: The degree of foam expansion depends on
Q8: Which classification of foam is used to
Q9: Which foams are required to extinguish fires
Q10: Why are specialized foams designed solely for
Q11: Which of the following statements about Class
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