Which class of fires typically consists of flammable liquids and gases?

The class of fires that consists of flammable liquids and gases is Class B. This classification includes fires fueled by substances such as gasoline, oil, grease, and other hydrocarbons, which can ignite and produce intense flames. Understanding the nature of these fires is crucial for effective firefighting strategies.

Classes A, C, and D relate to different types of materials: Class A involves ordinary combustibles like wood and paper, Class C pertains to electrical fires, and Class D involves combustible metals. Each classification requires specific methods and agents for extinguishment, emphasizing the importance of accurately identifying the type of fire to apply the appropriate response.