Practice question

When operating a foam system, the driver/operator should ensure the foam concentrate matches:

  1. The fuel type (Class A for ordinary combustibles, Class B for flammable liquids)
  2. Whatever is on the apparatus regardless of fuel
  3. Only the apparatus manufacturer's part number
  4. Any foam labeled as fire-fighting

Answer: A — The fuel type (Class A for ordinary combustibles, Class B for flammable liquids)

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