6.2 Fire Initiation, Classification and Spread Flashcards
What are the 3 components of the fire triangle?
Oxygen
Heat
Fuel
Read the description below and identify the class of fire:
fires involving solid materials
Class A
Read the description below and identify the class of fire:
fires involving liquids or liquefiable solids
Class B
Read the description below and identify the class of fire:
fires involving gases
Class C
Read the description below and identify the class of fire:
fires involving metals
Class D
Read the description below and identify the class of fire:
fires involving cooking media
Class F
Read the description below and identify the class of fire:
Electrical Fires
Class E
(Unofficial Class E): “Electrical fire” is not an
official fire class.
Electricity is an ignition source that will feed the fire until
removed. Following isolation of the electrical supply the fire can
be treated (generally) as Class A.
Read the description below and identify the method of heat transfer:
may occur in solids, liquids or gases, although it is most clearly present
in solids. Heat energy is passed between molecules with heat flowing
away from the source of heat towards low temperature regions.
Conduction
Read the description below and identify the method of heat transfer:
occurs only in liquids and gases and involves the movement of heated
liquid or gas molecules from the source of heat to cooler areas allowing cooler
molecules to replace them before being heated and establishing a circulation of
convection currents.
Convection
Read the description below and identify the method of heat transfer:
does not require an intervening
medium. Behaves in the same way as light in that it travels in straight lines, will cast shadows, and will be
transmitted through some materials and not others.
Radiation
