Which class of fires uses extinguishers suitable for ordinary combustibles such as wood and paper?

Which class of fires uses extinguishers suitable for ordinary combustibles such as wood and paper?

• A. Class A
• B. Class B
• C. Class C
• D. Class D

Answer: (A)

Fires involving ordinary combustibles like wood and paper fall under this category. The extinguishing approach for these fires centers on removing heat from the fuel, which is typically done with water-based extinguishers. Cooling the material below its ignition temperature stops the flame from continuing and helps prevent reignition. The other fire types involve different fuels and require different agents: flammable liquids, energized electrical equipment, and reactive metals each need specialized tactics. So, extinguishers designed for ordinary combustibles are best suited for this kind of fire.

Fires involving ordinary combustibles like wood and paper fall under this category. The extinguishing approach for these fires centers on removing heat from the fuel, which is typically done with water-based extinguishers. Cooling the material below its ignition temperature stops the flame from continuing and helps prevent reignition. The other fire types involve different fuels and require different agents: flammable liquids, energized electrical equipment, and reactive metals each need specialized tactics. So, extinguishers designed for ordinary combustibles are best suited for this kind of fire.