What is the primary purpose of a fire blanket?

The primary purpose of a fire blanket is to smother flames. Fire blankets are specifically designed to extinguish small fires, particularly those involving clothing or a person who is ablaze. When thrown over a fire, the blanket cuts off the oxygen supply, effectively suffocating the flames. This action is particularly important in emergencies when a quick and immediate response can prevent serious injury or further escalation of the fire.

While the other options may relate to other safety and survival scenarios, they do not capture the primary function of a fire blanket. Providing warmth is a function of thermal blankets or bedding, insulation is related to protecting against temperature change in building materials, and aiding in evacuation pertains more to escape routes and protocols in a fire rather than extinguishing a fire itself. Understanding the direct role of fire blankets can be vital in emergency response situations.