Which of the following BEST describes why firefighters must use SCBA during overhaul?
A) Smoke is not like other flammable gases; it will not burn or explode.
B) Hazardous concentrations of smoke are only present outside the structure.
C) Hazardous concentrations are typically below short-term exposure limits.
D) Volume and density of smoke may be reduced, but the hazard is not eliminated.

Question

Quizplus · Accepted Answer

During overhaul, the volume and density of smoke may be reduced, but the hazard is not eliminated. SCBA (Self-Contained Breathing Apparatus) is necessary to protect firefighters from inhaling toxic gases and particulates that can still be present even after the visible fire is extinguished.

Which of the Following BEST Describes Why Firefighters Must Use