TB 90 Fire Burns Flashcards
Backdrafts occur when oxygen falls between ____%
11 to 15 %
What best describes steam?
Convection
Pain and burns occur when temperatures reach?
280 to 320
What is the most dangerous stage of the fire development?
Flashover
What is rollover?
Flame mixed with smoke
Exposure to steam for___ seconds will cause burns
3
Backdrafts occur when temperatures reach 1,000 to ____ or higher?
1,800
Second degree burns can occur at ____ degrees. Within 1 second at 158 degrees
111
Just inside room a fire room____ feet, members can be exposed to 1000 to 1500 degrees, which will melt face pieces and damage PPE’s in 2 seconds
5
The rate of combustion, fire intensity, and the total combustion product output are governed by ____ major factor
7