APM Apprentice Practice Test 2025 – Your Complete Guide to Mastering the Exam!

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What type of fire extinguishers are CMV fire extinguishers classified as?

ABC

CMV fire extinguishers, which are used for commercial motor vehicles, are classified as ABC fire extinguishers because they are effective against a variety of fire types. The classification means that they can extinguish fires involving ordinary combustibles (Class A), flammable liquids (Class B), and electrical equipment (Class C). This versatility makes them suitable for the range of materials that may catch fire in and around vehicles, providing a comprehensive fire-fighting solution.

While other types of extinguishers mentioned, such as CO2, Dry Chemical, and Halotron, serve specific uses, ABC extinguishers encompass the broadest range of applications, which is essential for dealing with the varied fire risks present in a commercial motor vehicle context. This makes the ABC extinguisher the most suitable choice in this scenario.

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CO2

Dry Chemical

Halotron

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