The concentrate carried by the City of Miami AR-AFFF and used on most types of flammable liquid fires is which foam?

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Prepare for the City of Miami Fire Department Driver-Engineer Test. Utilize our resources with flashcards and multiple choice questions, each with hints and explanations. Get ready for your exam!

Multiple Choice

The concentrate carried by the City of Miami AR-AFFF and used on most types of flammable liquid fires is which foam?

Explanation:
Foam concentrates are classified by the type of fire they fight. Fires involving flammable liquids—like gasoline, diesel, oils, or solvents—use Class B foams. AFFF is a film-forming foam designed for those liquids, and when it’s alcohol-resistant (AR-AFFF) it’s still a Class B foam, just with enhanced effectiveness on polar solvents. So the concentrate used for these flammable liquid fires is Class B foam.

Foam concentrates are classified by the type of fire they fight. Fires involving flammable liquids—like gasoline, diesel, oils, or solvents—use Class B foams. AFFF is a film-forming foam designed for those liquids, and when it’s alcohol-resistant (AR-AFFF) it’s still a Class B foam, just with enhanced effectiveness on polar solvents. So the concentrate used for these flammable liquid fires is Class B foam.

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