some oils have self ignition temps as low as what
450 degrees
smoke is fuel, what percentage of smoke is particulate
70%
4 key smoke attributes
volume
velocity
density
color
term used to describe high volume, high velocity extremely dense black smoke
BLACK FIRE
true or false
turbulent smoke is ready to flash
true
floor temps are past human life thresholds
black/thick/fast smoke =
heat and explosive
black/thin/fast smoke =
flame is near
white with speed =
hot but fire is distant
uniform speed/color (steady flow and light color from many places) =
deep seated
brown =
unfinished wood being heated
turbulent =
flashover