Which of the Following Statements About Fire Fighting Foams Is

question 11

Multiple Choice

Which of the following statements about fire fighting foams is MOST accurate?

• A) The majority of fire fighting foams are Class A and Class K.
• B) Class A foam is especially effective on hydrocarbon fuels and polar solvents.
• C) Foam works by forming a blanket of foam on the surface of burning liquid and solid fuels.
• D) Foam works by increasing the surface tension of water, making fire streams more cohesive to reach a greater distance.

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