DRRR_M5Fire Flashcards
rapid oxidation of a material in the process of combustion releasing light and heat
fire
temperature when something starts to burn
flashpoint
simple model to understand the ingredients of fire
fire triangle
initial ignition
heat
reacts to each other to generate combustion products
oxygen and fuel
three extinguishment
cooling, blanketing, starving
remove heat
cooling
remove oxygen
blanketing
remove fuel
starving
three ingredients of fire
heat oxygen fuel
the most common natural cause of fire
lightning
it spews hot gases ash and lavas, it can set fire when it contacts a combustible or flammable material
volcanic activities
happens when a substance create sudden fire without cause
spontaneous combustion
pyrophoric substances ignite spontaneously in air at or below how many degree celsius or within how many minutes after getting contact in air?
54 degrees celsius, five minutes
examples of pyrophoric substances
iron sulfide, plutonium, uranium