In illustration D039SA below, which fire control plan symbol(s) represents the agent or device best suited for extinguishing a class "B" fire?

Correct Answer: Option C — 16 and 36

Symbols 16 and 36 designate foam and carbon dioxide (CO2) systems respectively, which are the primary extinguishing agents for Class B flammable liquid fires. Smothering agents remove oxygen or isolate fuel vapors, preventing reignition of petroleum products.