Engine CO OPS ✅ Flashcards
The 904K Piercing Nozzle flows what GPM at 100 PSI?
175 GPM.
13
The hole for Bresnan Distributors should be placed where?
How big should the hole be?
Placed directly above the fire.
Hold should be 12” x 12”.
14
The Elkart Brass R.A.M. XD has a hydraulic stability system that uses reaction force to stabilize it. How many GPM are needed to activate this system?
Approximately 350 GPM.
15
After initial knock down, what size hose lines can be extended off of the Mercury Quick Attack Monitor?
1-3/4” hose off the end of the 1-1/4” stacked tip.
2-1/2” hose off the outlet base of the unit.
16
Water cans have a discharge time of how many seconds?
55 seconds.
17
What type of an extinguisher should be used on sensitive electrical equipment?
CO2. It leaves no residue behind.
17
CFD’s standard water can has a UL rating of 2A. Each A of this rating system is equal to the fire suppression capability of how many gallons of water?
1.25 gallons.
17
With Class B foam, what is the application rate for Hydrocarbons (gasoline & diesel)?
3%.
21
With Class B Foam, what is the application rate for Polar Solvents (alcohol or acetone)?
6%.
21
What is the most common cause of Foam Eductor failure?
Excessive back pressure.
21
What is the correct PSI for the Elkart Inline Eductor & the PRO/Pak?
Elkhart Inline Eductor = 200 psi.
PRO/Pak = 100 psi.
Pg 21-22
What is the maximum length of 1-3/4 hose that can be used between the Elkart Brass Inline Eductor 125 gpm and the nozzle?
200 feet.
23
State Farm Blockers / ODOT freeway assistance vehicles can be contacted on what radio channel?
D06-FSP, One click past 9 Police Fire.
27
Smooth Bore Nozzles are designed to operate at what nozzle pressure?
50 PSI
32
What is the ideal nozzle pattern in a large commercial space?
Sweeping motion at the ceiling level.
50
What are the areas where the Split Stretch has the most benefit?
Tight urban environments.
Hotel / Motel style residences that have a common access hallway.
62
To estimate a stretch, the Length, Width & Set Back of a structure is added together. How many feet are added if there is a one story change in elevation?
50 feet
Pg 63
If an attack line must be extended, what type of roll offers the fastest deployment because it keeps both couplings in the same place?
The double donut roll.
72
A single 3”, (vs a 5”) supply line with a shorter lay, can provide up to how many GPM?
800 GPM.
82
Each CFD apparatus mounted pump is rated for how many GPM at draft?
1,500 GPM.
90
When Pumping in Series, the Supply Pumper should be placed as near the hydrant as possible. This should preferably be within how many feet of the hydrant?
25 feet.
91
What is the actual discharge capacity of a two-stage pump while in Pressure Mode?
70% of the total capacity of the pump.
70% 0f 1,500 GPM is 1,050 GPM.
Pg 99
Are CFD apparatus pumps kept “Wet” or “Dry”? Regardless of ambient temperature?
Wet.
116
During prolonged parking during cold weather runs. The pump should be engaged. What 2 valves should be opened?
Tank to Pump
Tank Fill
116
If the pressure transducers fail on a Pump Boss it will not operate above idle in Pressure Mode. If this happens on scene what is the only option?
Use RPM Mode
117
What is the starting pressure when supplying the turntable of a Tiller Ladder?
150 PSI. Starting point.
119
45° of a door CLOSEST to the Engine is?
The inside of the door
PG 69
45° of a door FARTHEST away from the engine is?
The outside of the door.
PG 69