Fire Behavior
What is the forth element in the fire Tetrahedron?
Chemical reaction
What does VEIS stand for?
Vent, Enter, Isolate, Search
What tools are known as the "irons" and what are they primarily used for?
Axe and Halogen
Used for forcible entry
When arriving to a residential fire that is mid-block, without any indication of fire location where would you place E2 and why?
Past the house to get a look a 3 sides of the structure and leave room for the aerial
What is burning in a class D fire?
Combustible Metals
At What temperature can flashover occur?
a. 300-400 C
b. 500-600 C
c 900-1000
b. 500-600 C
When pulling up to a fire that is venting out of a window on the front of the house what attack tactic should you prepare to initiate at the Captain's request?
Transitional attack
What are 2 appliances we have on E2 that could be used for exposure protection that once set up wouldn't require a fire fighter to operate?
Curtain and Blitz fire
What is the order of operations from truck placement to flowing water for a pump operator at a fire scene?
5 of 7
Parking brake
Engauge Pump
Transmission in gear
Pull hose
Charge hose
Set pump Pressure
Connect High Vol
What is burning in a class C fire?
Energized electrical equipment
What does PASS stand for in your SCBA?
Personal Alert Safety System
With a 4 person crew who is responsible at a high rise fire for hooking up the FDC and establishing water supply?
What would be your order of operation?
3 of 5
T3 driver.
1. Truck in pump gear
2. 65mm hose from E2 to FDC
3. Charge line
4. Set pump pressure
5. Hook up and charge hydrant
What are the different functions of our MSA 4 gas detectors (what are they used to detect)?
Measure: CO
LEL
O2
H2S
What should you set the pump pressure at for 1 - 45mm cross lay?
900Kpa
What is the leading cause of death for fire fighters?
Cardiac related issues - >40%
(Overexertion, stress, medical, etc.)
Followed by:
Vehicle accidents - 25% approx.
What does dark (black) turbulent smoke indicate?
High heat, vent limited fire with potential for flashover.
What attack line option would you use for a fire greater in size than a typical room and content fire?
65 mm hose line or master stream
What is the nozzle pressure for our nozzle's?
525 Kpa
Hint: This number is helpful in figuring out pump pressure after calculating Friction Loss
How many feet of preconnected hose are on E2?
700'
Trash line: 100'
45 mm cross lays: 2X200'
65 mm: 200'
What does BLEVE stand for?
Boiling
Liquid
Expanding
Vapour
Explosion
When smoke is showing out of the eaves of an older home 1970's era and older, what areas do you want to check for fire location?
Attic and Basement
List 5 tasks for a pump operator at a residential structure fire.
Truck placement
Pull attack hose to front door
Pump Ops
Water Supply to the truck
Equipment to the front door
Accountability
Ladder the building
Where is our "Decon Pak" located?
Second last compartment on drivers' side of T3.
FL=C X (Q/100)2 X L/100
What is the Friction Loss for 60m of 45mm hose flowing at 500L/min?
C=15.5
Q=(500/100)2 = 25
L=60/100 = .6
FL= 15.5 X 25 X .6 = 232 Kpa
What is the steepest roof pitch (slope) that is safe to walk and work on?
4:12
Rise:Run (ratio in inches)
5:12 and above requires use of a roof ladder, aerial devise or harness and tie off