Vol3 Flashcards
High pressure air (up to 5,000 psi) is reduced down by the first and second stage regulator to?
a breathable pressure
What will the SCBA NOT provide protection against?
gasses, mists or vapors which are skin absorbed (e.g. hydrocyanic acid)
The SCBA consists of how many major components?
10
The backpack has three integrated carrying handles with carabiner attachment points rated at what?
1000 lbs
The backpack is designed to transfer what percent of the load to the hips for less shoulder fatigue?
60%
The backpack harness and cylinder weigh approximately how much?
30.25lbs
The SCBA is powered by what type of batteries?
4 “C” Duracell batteries only
Amber LED’s located on the PASS device and backpack indicate battery status. A LED flash every ___ seconds indicated a good battery. A LED flash every ___ seconds indicates a low battery. No LED flash indicated a dead battery.
10, 2
The air cylinder has a maximum working pressure of what?
4500psi
The gauge on the cylinder graduates in 1000psi increments ranging from 0 to _________ psi
6000
A 45 min SCBA bottle carries how much cubic feet of air when full?
65.6
A 60 min SCBA bottle carries how much cubic feet of air when full?
87
Both 45 and 60 min SCBA bottles will supply air at that time at a user rate of what?
40 liters per min (depends on user demand)
The air cylinder is hydrostatically tested how often?
every 5 years
The first stage regulator lowers cylinder air pressure to what?
115 psi
The relief valve activated to protect the SCBA system when pressure exceeds what?
200-225 psi
The low pressure SCBA audible alarm activates at what? Will continue to sound until pressure drops below what psi?
1035 to 1215 psi, 200 psi
(HUD 1/4 will start to flash)
The HUD display consist of how many green LEDs and what do they represent?
4
Full, 3/4, 1/2, 1/4
When the pressure drops below 50% of cylinder capacity, the LED representing 1/2 starts to flash, and continues for approximately how long before turning continuously lit?
20 seconds
When the pressure drops to 1/4 of cylinder capacity, the last green LED turns what color and begins to flash?
red
When the pressure drops to __% cylinder capacity, the red LED begins to flash noticeably faster and continues until air pressure drops below approximately 200psi when HUD turns off.
10
The Amber Low Battery LED is located where on the HUD?
bottom right side
Lack of movement for __ seconds will activate staged alarm with LED lights alternating green and red. Volume increases every 5 seconds of inactivity until full alarm reached in how long?
20, 30 to 45 seconds
PASS device minimum requirement is how many decibels?
95, warrior provides between 97-103 in full alarm
The buddy breather system consists of an intermediate pressure hose with “Y” block male and female quick connect fittings, how long is it?
39”
The VAS requires how many and what batteries?
Three AAA
The escape cartridge is a single-use, air purifying respirator designed to protect your respiratory system for up to how long?
15 min “one time use only”
If escape filter is deployed member must do what?
F225 and F80 to Emergency Services Bureau
What color are practice, reusable, escape filters from battalion office?
red
What are two methods of donning SCBA?
- Over the head method
- Double should strap method
When performing emergency buddy breathing procedures, who completes the connection of buddy breathing hoses?
Out of air member
Member supplying donor air leads out
Repairs by members are limited to replacement of batteries and what else?
“O” ring nipple connection on first stage regulator to air cylinder connection
Air pressure indicators on each side SCBA cylinder should read within how many pounds of each other?
500psi
When checking SCBA, after closing air valve, check air pressure gauge for approximately ___ seconds, a drop in PSI indicates a leak in the system.
20
When full the 45 min air cylinder has how many liters of air supply?
1800 liters
When using 45 min air cylinder during high demands, it is possible to use 100 liters per minute reducing cylinder durations to how many minutes?
18
Per Vol3 The LAFD uses what SCBA?
Sperian Warrior
LAFD aerial ladders are _____’ in length. They consist of three or four sections and are constructed of metal with beams of a truss bridge type construction.
100’
Trucks carry a complement of ground ladders exceeding how many feet?
200’
A Task Force provides a high degree of _______________ since it allows for the coordinated use of personnel and equipment.
flexibility and efficiency
LAFD operates how many fireboats?
5
Before the heavy streams of a boat are directed toward a fire, _____ short blasts are sounded on the air horn. This is a signal for members in the fire area to take cover, as these streams are extremely powerful and can be dangerous.
four
Fireboat 2 is 99’ in length and has a pumping capacity in excess of _______ gpm @ 150 psi.
16,000
Fireboats 1, 3, and 5 have a rated pumping capacity of ____ gpm @ 150 psi.
750
Fireboat 4 is 78’ in length and has pumping capacity of approximately ______ gpm.
9,000
LAFD operates how many helicopters?
6
FIRE 3 & 5 may be equipped with a 350 gallon water tank and can carry a __________ pound external load on the hook.
5000
FIRE 1,2,3,4,5 can seat up to how many members?
15
Crash fire rescue foam (CFR) The apparatus carries 3000-4000 gallons of water and approximately 500 gallons of AFFF (light water). A _______ nozzle with Piercing tip.
boom
Crash rapid intervention vehicle (RIV) A liquid foam system is the primary firefighting component of this apparatus, It carries 1585 gallons of pre-mixed AFFF. It has a ______ lb. dry chemical system on board that is discharged through handlines.
700
Foam tenders carry approximately 300 gallons of AFFF in their tank plus ____ - five gallon containers
50
Hazmat support unit and decon trailer has enough equipment/capability of deconing how many people?
150
Helicopter tender carry from 580 to _________ gallons of jet fuel.
2000
Emergency lighting provide electrical power up to 30,000 watts. Includes a ___ ‘ telescoping boom connected with 8 lights, 4 roof mounted lights
25’
How many high pressure, large capacity compressors does rehab air tender (RAT) rig have?
two
Crew bus has total capacity of how many people including driver?
14
The two air bag systems currently in use are a THREE bag system and a SEVEN bag system, which are rated as a ___-ton and ___-ton respectively.
56, 236
What is size of aluminized ceramic blanket?
6’ x 8’ (can conduct electricity)
When cutting through wood lath and plaster walls with axe, follow down the ______ of the stud to prevent excessive damage to adjoining plaster. On drywall, cut just to the ______ of the stud.
center, inside
When breaking glass with axe, Stand to one side and strike the panel near the top, keeping the axe handle above the ________ to eliminate the danger of glass sliding down the handle and cutting the hands
horizontal
When cutting, the axe should strike the wood with an angle of about what?
60 degrees
The pickhead axe is one of the most useful tools carried on Fire Department. Its uses include cutting, prying, striking, and ________ operations
digging
The single-bit axe is used primarily for cutting operations. It is very useful in clearing brush, trees and shrubs from firebreak areas. The single-bit axe is sharper and its blade ground _____ than a pickhead axe, making it well suited far cutting both hardwood floors and plywood.
finer
To breach brick walls with the battering ram, first remove one brick with a pickhead axe or other suitable tool. After the first brick has been removed, use the forked end of the battering ram to remove the rest of the bricks, giving a slight lifting motion just as it strikes the brick. Remove the bricks one at a time, starting just below the first brick removed and working downward. The hole should be ______________ so as not to excessively weaken the wall. Before breaching a wall to reach the seat of the fire, place charged hose lines in position for immediate operation.
diamond-shaped
What are two size bowers used?
18” and 24”
Brush hook: The main cutting edge can be used to cut branches up to ___ inches in diameter. Cut the stem at about ___ degree angle.
3”, 45
Mcloud: The hoe edge should be kept sharp, maintaining surface of approximately what?
45 degrees
Pulaski is about the size of what?
double bit axe
Bullhorns are normally carried where?
Chief officer’s sedans
Canteens come in what sizes?
one and two quarts
What can a chock block be used for besides preventing apparatus from rolling?
shoring objects during physical rescue operations and as a door stop when space between bottom of door and floor is excessive
Claw tool is also known as what?
Hayward
What are two sizes of claw tools?
30” and 42”
Floor runners are made of what and what size?
waterproof cotton duck, 6’ x 18’ (folded to 3’ width and rolled)
Hydraulic jacks will function in the horizontal position when the valve is in what position?
down
Quartz lights are how many watts?
500
Light cords are how long?
50’
What size maps are used on LAFD?
400’, 800’, 1200’
What is size of mattress carrier?
6-1/2’ x 9-1/2’
Pneumatic power chisel will cut through ___ thick mild steel plate, mild steel bolts to ___ in diameter and various thickness sheet metal
1-1/4”, 3/4”
Portable generators, various models in field ranging up to how many watts?
3500
The ram bar operates on the principle of a slide hammer. The ________ holding the bit in place should be maintained tight at all times.
set screws
Redwood plugs are tapered down to less than ____ at the tip.
1/2”
What are the sizes of the rescue air cushion?
70’ - 15’ x 20’ x 8’
100’ - 18’ x 25’ x 9’
Bk 29 states 100’ - 20’x50’x9’
Air cushion can be deployed by a TF in how long?
two minutes
Gauntlet gloves are exchanged and tested by DWP how often and to what volt?
10,000 volts every 60 days
What is size of rubbish carrier?
4-1/2 feet square
What are two types of salvage covers used?
rubber-coated cotton duck and lightweight plastic coated nylon
What size are salvage covers?
12’ x 18’
Salvage hooks are heavy gauge wire preformed into basic shape of what?
number 2
What is the size of salvage pan?
32-1/2” x 18” x 5”
What handsaws are used on this department and what are they for?
crosscut caw - wood
plumbers saw - sheet metal, nails, etc
hacksaw - iron bars, bolts, etc.
Which shovels are used to best advantage on flat surfaces during over hauling operations when moving loose debris?
square point
Which shovel are designed for digging, considered to be an effective tool for use in fighting brush and grass fires?
round point
Which shovel is best for spreading and removing sawdust, carrying debris, digging in loose bulky material and removing water from floors and floor coverings?
scoop
Which part of the sledge hammer is most effective for breaking concrete?
the edge
Sledge hammers should not be used to strike what kind of material?
hardened steel
Sprinkler heads vary in temperature with average being what?
165
What type sprinkler head wrenches does the department provide?
flush-type wrenches, pipe wrenches, spud wrenches and crescent wrenches
What size squeegees are used on the department?
36” curved push only
24” straight push/pull
What are the two types of staple guns on the department?
squeeze and hammer
What are the size of nylon straps?
1” (ladder strap)
How do you secure ladder strap?
pass bitter end back through buckle and a half hitch tied around the entire strap
Submersible pump “prosser” has what size male hose connections at both ends?
1 1/2”
Submersible pump “prosser” shall not be operated from a portable generator less than how many watts due to starting currents?
2500
When shall swift water equipment be carried on the apparatus?
year round
where are spare blades for the utility knife kept?
in the handle
What is the capacity of the water vacuum holding tank?
8 gallons
Porter wire cutters are used on ordinary steel rods and wire up to what size? Not used on electrically charged wires, padlocks or case hardened metal.
3/16”
Light water is more than ___ times as effective as protein type foams on open surface gasoline fires.
three
Wet water proportioner has what size gallon pressurized refill tank?
2-1/2 gallon
Wet water anit-siphon sprayer is normally used by attaching to a garden hose. metering disk is normally set at #1 and approximately ___ psi is supplied to sprayer.
40
Monitors are normally provided with what size intake manifold with clapper valves?
2-1/2”
