FIRE BEHAVIOR
Important point to remember when cutting an opening in a roof
What is do not cut joists or other structural supports
Fire Phase when portable fire extinguishers may be most effective
What is incipient phase
Number of firefighters it takes to raise a 35 foot or larger ladder
What is at least three
A short fold or reverse bend in the hose, used to change the location of a coupling or direction of hose in a hose bed
What is dutchman
Involves opening the roof or existing roof openings to allow smoke and heated gases to escape
What is vertical ventilation
Classes of fire extinguishers to which numerical ratings are not assigned
What is class c and d
Long extension ladder having stay poles to provide added stability
What is Bangor Ladder
Caused by an excessive buildup of heat, the flames fully involve an entire area or surface
What is flashover
Used to seal small leaks in hose caused by cuts or breaks, or to connect damaged or mismatched couplings of the same size
What is hose jacket
Involves venting through wall openings such as windows and doors. May be useful in single story structures when fire has not involved the attic or if the roof has been weakened, on multistory structures when fire is below the top floor
What is horizontal ventilation
Symbol associated with a class D fire extinguisher designation
What is Yellow star
Single ladder which has hinged rungs which allow it to be folded so one beam rests against the other. This provides for ease of carrying or for use in small, confined areas
What is Attic Ladder
Can occur when oxygen is introduced into an oxygen starved atmosphere during the smoldering phase of a fire
What is backdraft
Used to connect two hose lines with different diameter couplings
What is reducer
Symbol associated with a class C fire extinguisher designations
What is blue circle
Adjustable length ladder consisting of two or more sections
What is extension ladder
When aligned, allows easy positive connection of threaded hose couplings and appliances
What is higbee indicator
Three basic shapes of roofs
What is Arched, Flat, Pitched
Symbol associated with a Class B fire extinguisher designation
What is Red Square
Adjustable in length, it can be adapted to use as an extension, single or a frame ladder
What is combination ladder