Class B fires involve which materials?

Class B fires involve which materials?

• A. Flammable liquids such as gasoline and oil
• B. Bedding and paper
• C. Electrical equipment
• D. Combustible metals

Answer: (A)

Flammable liquids are what define Class B fires because these fuels ignite and burn in liquid form and release vapors that can keep flames going. This category covers materials such as gasoline and oil, which have low flash points and spread across surfaces, making them dangerous to confine with water alone. That’s why the option describing flammable liquids like gasoline and oil is the best match for Class B. Bedding and paper burn as ordinary combustibles (Class A); electrical equipment fires involve live electrical sources (often Class C in many systems); and combustible metals are Class D.

Flammable liquids are what define Class B fires because these fuels ignite and burn in liquid form and release vapors that can keep flames going. This category covers materials such as gasoline and oil, which have low flash points and spread across surfaces, making them dangerous to confine with water alone. That’s why the option describing flammable liquids like gasoline and oil is the best match for Class B. Bedding and paper burn as ordinary combustibles (Class A); electrical equipment fires involve live electrical sources (often Class C in many systems); and combustible metals are Class D.