Which type of fire extinguisher would you use for a Class B fire?

A Class B fire involves flammable liquids such as gasoline, oil, and grease. For fires of this nature, it is essential to use extinguishing agents that are effective in suppressing flammable liquid fires without the risk of spreading the flames.

Foam extinguishers are specifically designed to tackle Class B fires. They work by forming a blanket of foam that suppresses the fire by smothering it and preventing oxygen from reaching the fuel. Similarly, CO2 extinguishers are effective for Class B fires as they displace oxygen in the area and cool the burning materials, effectively extinguishing the flames.

Water-based extinguishers are typically not suitable for Class B fires as using water can spread flammable liquids, potentially worsening the situation. However, some specialized water-based extinguishers designed for Class B fires (like some foam extinguishers) can be used in rare cases.

Thus, the comprehensive understanding of these tools indicates that both foam and CO2 extinguishers are appropriate choices for Class B fires, and the inclusion of water-based options under certain conditions implies a broader approach to fire suppression. Hence, indicating that all these types of extinguishers could be utilized, depending on the scenario, aligns with the proper strategy for combating