Pro Board Firefighter Practice Test

Question: 1 / 400

Why should personal protective equipment be dry before engaging in structural firefighting?

Nomex becomes non-flame-resistant when wet

The outer shell becomes brittle when wet

Water in the fabric can cause steam burns

Personal protective equipment, or PPE, needs to be dry before engaging in structural firefighting primarily to prevent the risk of steam burns, which can occur when water trapped in the fabric of the gear turns to steam upon exposure to extreme heat. When firefighters enter a structure that is burning, they encounter high temperatures that can quickly vaporize any moisture in the gear. This steam can expand rapidly and create a burn hazard against the skin, even if the outer layer of the gear appears intact.

Additionally, while considerations of thermal protection and the integrity of the materials used in personal protective clothing are important, the specific risk of steam burns emphasizes the necessity for the gear to remain dry. The health and safety of firefighters are paramount, and preventing such injuries is critical during operations in hazardous environments.

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Water enhances thermal protection

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