NFPA Portable Fire Extinguishers (NFPA 10) Practice Exam 2025 – Comprehensive All-in-One Resource for Exam Success!

Question: 1 / 400

Which action should be avoided when maintaining fire extinguishers?

Regularly checking pressure gauges

Keeping extinguishers near heat sources

Keeping extinguishers near heat sources is an inappropriate action during maintenance because extreme heat can compromise the integrity and effectiveness of the extinguisher. High temperatures can lead to the pressure inside the extinguisher increasing, which may cause the cylinder to rupture or the discharge mechanism to fail. Additionally, heat can degrade the agent within the extinguisher, rendering it ineffective when needed in an emergency. Proper placement of extinguishers is essential for ensuring they are ready for use and function as intended.

In contrast, regularly checking pressure gauges, inspecting for blockages, and using labeled extinguishers for specific classes of fire are all essential maintenance actions that help ensure the reliability and effectiveness of fire extinguishers in an emergency situation.

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Inspecting for blockages

Using labeled extinguishers for specific classes of fire

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