Dial it in #7 Flashcards
What are the normal and deficient levels of oxygen?
20.9 is normal
19.5 is deficient?
What is the buffer zone?
The space between the incident and the apparatus
Error code 7 on the pulse ox means
Low battery
What may close when activated by a fusible link?
Fire door
A fusible link on a swinging fire door depends on the heat from a fire to close so
A significant amount of smoke may flow through the door before it is released
CFD webbing is
25mm wide
7.4 m in length
What pressure is low air
1575 PSI
Half air alarm/ 49% pressure is
2250 psi
What is the first step of VEIS?
Search????? (Davey)
The FIRST priority of the firefighter entering the compartment is to ISOLATE the room by closing the door. (Textbook)
Which way do you push a chainsaw to turn it off?
Forward (away)
44mm/65mm saberjet nozzle pressure is
350kpa
A blitzfire with stacked tips pressure is
550 kpa
What are the three types of valves?
Ball/slide/rotary
Where is the 77mm hose found?
Engines and quints
What are couplings for CFD made out of?
Pyrolite
What are the three types of couplings?
quick connect
threaded
sexless(storz)
What size of couplings does CFD have?
25mm
38mm
65mm
125mm
Blitz fire with fog tips pressure is set at…
700 kpa (standard)
420 kpa (low pressure)
What are three methods of rolling hose?
Service roll (straight roll)
Damaged roll
Donut roll
Apparatus hose is to be changed every how often?
3 months
When should hose testing be done?
Annually
After repairs
Suspicion of damage
Level 1 elevator stage is with a key; true or false
True
What are cutting pliers
needle nose AND linesman pliers
Where do you stage in a highrise fire?
2 floors below fire floor
What is “shelter in place”?
Usually minor hazard, safer to do so, or victim cant be moved
What is the building safety factor?
2:1
Do fire doors stay open or closed?
Closed???
Class D fire extinguishers use
special dry powder
Co2 fire extinguishers work by
displacing oxygen and smothers the fire
(B and C)
Class K uses a sopy film that is known as
Saponification
