Ventilation Flashcards
What are the 3 types of ventilation?
Horizontal
Vertical
Positive pressure
Synthetic products cause ignition to flash over how much faster?
30 times
What is the primary responsibility of the 1st due truck on a box?
Life safety
(Entry, search rescue, horizontal ventilation)
What are the 4 position names of a truck crew?
Irons
Hook
AO app operator
OV outside vent
What are the 3 operational modes of a truck crew?
All in for search
All out for ventilation
Splitting
Where should ventilation openings never be created?
Behind an advancing hose line
What is proper timing considered regarding COORDINATED ventilation?
Interior crews breathing SCBA and have a charged hose line in position, making a push or actually hitting the fire
Where is proper placement of a heat hole for vertical ventilation?
As close to directly over the fire as safely possible
Where is proper placement of a horizontal ventilation opening?
On the opposite side of the fire room from the advancing hose line
What should you not do if the location of the fire is unknown?
Do not break windows
What are the responsibilities of the second due truck?
Assist first due truck with unfinished responsibilities
Ladder upper floors for egress
What are the 3 critical radio communications made by 1st due engine specific to horizontal ventilation?
Fire attack is making entry
Location of fire
Take the glass
What is the appropriate tactic if it is believed that Backdraft conditions exist?
Vertical ventilation
What are the 3 kinds of roof holes?
Inspection hole
Smoke indicator hole
Heat hole
What size heat hole should you cut?
4x4 on residential
4x8 on commercial
