SCBA Flashcards
SCBA regulator diaphragm is made of ——- ——- similar to a
level ‘A’ entry suit 1.2
Butyl rubber
The CBRN approval means that the SCBA has met the Niosh and NFPA criteria for exposure to which agents?
1.2
Liquid mustard and Sarin agents
And approved SCBA CBRN regulator can be identified by its ——-background label?
1.2
Orange background label
An approved back frame assembly for your SCBA can be identified by a?
1.2.
CDC NIOSH sticker
T/F because the facepiece does not cover the ears, airborne contaminants can enter the respiratory tract through a punctured or ruptured eardrum. 2.1.3.
True
If a member runs out of air, what is the first thing they should do? 2.1.7.
Remove regulator then notify Officer
Which is wrong?
Definition of confined space are:
Not designed for continuous human occupancy ,
Small enough so a person can enter and work ,
Has limited means for entry and escape 2.2
Large enough so a person can enter and work
Is a windowless building considered a confined space? 2.2.1
Yes
T/F
In terms of confined space members must operate in teams of two. 2.2.4
False
2 or more and maintain contact
Which bullet point is wrong?
1- the SCBA is never to be used underwater.
2- submersion in water will render the SCBA inoperative.
3-if the SCBA becomes submerged, it shall be placed out of service and returned with a completed service tag RT-2 stating the problem to MSU. 2.4
3
It must be placed out of service.
The service life for the air cylinder is
—— years. 3.2.3
Hydrostatic testing is done every ——- years. 3.2.4
15 years
5 years hydrostatic
SOC Escape Cylinders are hydrostatic every 3 years.
The hydrostatic test date for cylinders will be found where on the cylinder? 3.2.4
Top
For example, the number 102 will indicate that the cylinder was tested in January 2002 next retest will be January 2007.
Month then Year
SCBA, the end of service time indicator alarms, Vibralert and HUD actuate when approximately —% of full cylinder pressure remains in the cylinder and valve assembly. 3.2.8
25%
SCBA, inspect all spare cylinders at depot’s high-rise units company and reserve apparatus ——on ——-for full pressure at ——. 3.2.12
Weekly on Monday
4500 psi
T/F SCBA, avoid fully depleting cylinders and leaving valve open. Doing so will allow moisture and contaminants to build up inside the cylinder.3.2.14
True
SCBA designated training cylinders identified with ——- . 3.2.15
Blue top and/or polymer protective sleeve
Do not use for firefighting purposes
SCBA to replace or tighten the nylon O-ring there are two tools you need what are they and their sizes?
3.4.2
1/8 Allen Wrench
7/16 open end wrench
T/F SCBA, a missing UAC dust cover shall be placed at a service 3.5.2
True
SCBA. PRA, is usually mounted on the ——- side of the back frame reduces the high pressure breathing air received from the cylinder. Consistent of two systems the PRA normally reduces its operating pressure to ——-psi before entering the regulator low pressure hose. The regulator then controls the pressure within the facepiece to slightly ————-. 3.6.1.
Left side
100psi
Slightly above atmospheric pressure.
A malfunction of the PRA primary system will automatically direct breathing air into a secondary system. When this occurs the operating pressure will be reduced to ——- psi and cause ——— to activate. 3.6.2.
150 psi
Vibralert alarm
Failure of both the primary and secondary systems in the ——position will activate a ——- ———in the PRA, which will rapidly dischargeable pressure in excess of —- psi into the atmosphere. When the occurs the cylinder valve should be ——- ——-, allowing only a minimal amount of air to release permitting the member to both breathe and conserve. 3.6.3.
Open position
Relief valve in the PRA
Excess of 185 psi
Partially closed
SCBA. If the manual shut off fails to release for any reason, turn the ——- valve in which direction?
How degrees to start the flow of air? 3.8.2. B
Purge valve
Downward
180°
SCBA. When the regulator is correctly positioned on the facepiece, a stem on the purge valve will point ——— and its normal mode. 3.8.4 A
Upwards is normal mode
SCBA. Purge valve. For the following emergencies.
1- failure of the regulator in the ——- position, turn, purge valve ——- - ———-.
2- If failure of the regulator in the open position, air flow can be controlled by opening the ——valve, ——— and partially closing the cylinder valve. 3.8.4.B
1-Closed. Counter -Clockwise
2- purge valve fully
Partially closing cylinder valve
T/F SCBA. Purge valve is used if the facepiece is damaged. 3.8.4 B.
False
SEVERELY DAMAGED
T/F SCBA. Purge valve is used if the manual shut off fails to release for any reason. 3.8.4 B.
True
T/F athe Vibralert and HUD work independently and may not activate at precisely the same time. 3.8.5. B
True
T/F The Vibralert alarm will activate if the PRA‘s primary system malfunctions thus activate in the secondary system. 3.8.5 D.
True
The Vibralert alarm has a spray bar comprised of ——small holes.
3.8.8
9
This helps with condensation issues
The HUD consists of how many lights do represent the cylinder pressure? What shape are those lights? A fifth light is what shape and what color and indicates low battery. 3.8.9.
4 lights Rectangular for pressure
Round Red indicates low Battery.
When the cylinder valve is turned on the HUD will initialize and illuminate all five lights for — seconds 3.8.9 A
20 seconds
HUD the lights,
Full cylinder is how many lights and what color?
Three-quarter cylinder indicates how many lights in a color?
1/2 cylinder indicates what color light flashing —- at once a second .
1/4 cylinder is what color light flashing rapidly at —- times a second ? 3.8.9 B
Full 2 green lights
3/4 single green
1/2 yellow flashing slowly
1/4 red light 10 TIMES a second .
HUD. Batteries require changing the round low battery indicator at the far right of display will light for — seconds and then begin to flash blank at blank a second. 3.8.9 C.
20 seconds
Slowly at once a second
Face pieces have three different sizes and three different colors. What are they?
Small size is?
Comfort?
Extra Large?
3.9.1
Small is Green
Comfort is Black
Extra Large is Red
SCBA. A break in the control console tube will result in a ——-air leak.
3.10.3
SLIGHT
While this leak will not greatly reduce the members breathing air, the member must notify officer immediately and and leave contaminated area
T/F the vent holes on the back of the control console should be plugged or sealed if a suspected air leak has occurred. 3.10.3.
False
Never plug those holes
How many lights are in the back of the pak alert SE7 ?
They are called ——— lights and flash green in normal mode and red in alarm mode. 3.10.3.
2 lights
Buddy
The Scott pak alert SE7 monitors for motion. If the sensor modular does not detect motion of the SCBA for
—- seconds the pack alert will signal a pre-alarm condition if there’s still no motion for the next —— seconds then full alarm will sound. 3.10.5.
20 seconds Pre Alarm Condition
12 seconds Full Alarm
Once your pak alert, SE 7 goes into full alarm condition, what is the way to clear the alarm? 3.10.7.
Cleared by manually, pressing the reset button twice located on the side of the CONTROL console.
The Pak alert SE 7, if while using the SCBA the batteries begin to approach the end of their useful life. The sensor module will begin to sound a chirp every ——- seconds and a ——- light control module will go out. 3.10.10.
2 seconds
Green Light
Battery test. Pak alert SE 7 is in the off condition. The batteries can be checked by pressing and holding the ——- button on the console. A ——- light will illuminate on the console to indicate sufficient battery power remaining. A —- light indicates that the batteries must be replaced before the SCBA is used again. 3.10.11.
Reset Button
Green Light
Red Light
When replacing batteries on the
SCBA, what type screwdriver will you need? How many batteries and what size batteries. Remember, do not mix battery brands. 3.10.12.
Philips
6 batteries
AA
PS this is the only maintenance that can be done by firefighters
Is the Pak alert in intrinsically safe?
Yes
If the nose cup or voicemitter becomes damaged or missing who was the officer notify?
Letterhead Report to Chief of OPS via the chain of command stating full particulars.
Officer will interview members
In the event, a member cannot achieve a good seal with any face pieces available, who do you contact immediately by telephone? 4.2.3 E.
Safety Command and MSU
Member is not to operate in areas required SCBA until problems is resolved.
Inspect cylinder valve threads for damage or missing threads, what is a good indicator for damage in the threads? 4.2.4.
Cracks are indicated by BRIGHT silver line along the cylinder threads.
T/F If a cylinder is found defective, it shall be immediately and fully depressurized. Placed out of service, tagged with RT-2 to MSU 4.2.4
False
A Slight Positive Pressure should be left in the bottle
How long do the five lights on the HUD illuminate when turning the mask on? Page 27
20 seconds
PS the same number before mask goes into pre-alarm
HUD Lights?
Full?
3/4?
1/2?
1/4?
2 green
1 green
1 yellow flashing slowly
1 red flashing rapidly
SCBA
Emergency procedure from being entangled or trapped. What is next step? 6
Must transmit Mayday
If you are in an entanglement situation, which pocket is the best to be used for a cutting tool? 6.1.7
Right pocket of Bunker coat
Damaged facepiece
1 Leave facepiece on
2 Conserve as much air as possible by covering the damaged area with
—— hand or hands
3 if the leak is more than can be controlled with one hand
A -continue to cover as much of the damaged area as possible
By pressing the manual shuttle switch after each breath to further limit the loss of breathing air
C- if damaged area is too large to allow the regulator shut off to release, then use the purge valve in an off and on motion for each breath. This action helps to conserve the limited amount of breathing air necessary to escape.
6.5.3
1 hand
If a member runs out of air, the member should remove ———.
6.5.3
The regulator
The donned facepiece will provide some protection to the skin
A member experienced a failure of the facepiece lens, which results in bubbling or a hole must? 6.5.5.
Must not touch or attempt to cover the opening
If it is not possible to remove a member or civilian from the contaminated atmosphere, then you have the following options that can be used.
Trapped members?
Civilians?
Trapped members or Civilians?
6.6.3
Fast Pak for members.
Fast Pak OTHER than the one assigned to the Fast Unit.
Spare SCBA
When using the handie-talkie place the microphone ——— the voicemitter.
7.2.2
Directly on
What is the universal sign that another member knows of an emergency and should promptly follow in that direction? 7.4.1
4 distinct blows on the SHOULDER and then pulls that member in a specific direction
Emergency distress, when a pass alarm is activated in the ——— for — seconds the member hearing the alarm should immediately notify the —.
7.5
Full Alarm for 10 seconds
IC
Cleaning and disinfectant of SCBA -/- cup of household chlorine bleach to ——-gallon of water(1:100 dilution) is recommended by the Center of Disease Control. Tech services distributes bleach packages, use blank package to 1 gallon of water. 8.2.1.
1/4 cup of chorine bleach
1 gallon of water
Never increase concentration of bleach.
Gross Decon of SCBA procedures are
1-Double sealed in a ———plastic bag with a biohazard label attached.
2-tag shall be attached to the bag Noting details of incident include known and suspected contaminants.
3- head back to quarters bag placed in a ——traffic area.
4- notify ?
1-Clear
3-light
4- SOC for pick up
Facepiece cleaning, immerse facepiece in hydrochloride solution for 5 minutes wipe in lens with cloth. Never allow face piece to remain immersed for longer than five minutes. 8.5.3.
Never longer than 5 minutes
Regulator disinfecting procedure supplies needed
Percentage of isopropyl alcohol in a spray bottle?
Drinking potable, water running or in a spray bottle. 8.6.1
70%
T/F If excessive dirt or soil is present in the regulator, return the entire SCBA with a completed RT-2 to MSU note in the reason. Do not insert any foreign objects into the opening 8.6.4.
True
To properly clean the regulator —— manual shut off, ——- the purge knob by turning fully ——and spray a minimum of ——-full pumps of 70% isopropyl alcohol into the regulator opening 8.6.5
Depress manual shutoff
Close purge valve
Clockwise
6 full pumps
Cleaning regulator allow — minutes of contact time to disinfect prior to rinsing. 8.6.5
10 minutes of contact time.
Remember never allow facepiece to remain immersed for longer than 5 minutes
T/F Alcohol and water can be used directly into the spray bar ports. 8.6.5.
False
T/F
Rinse regulator with drinking water, using a spray bottle or softly running water. 8.6.6
True
What is the only acceptable way to remove water from the regulator. 8.6.7.
Shaken and OPEN the purge valve.
SCBA, PRA where is the month and the year of the last service date recorded? 9.1.2.
It is recorded where the HIGH pressure hose connects to the PRA. So that would be at the bottom of the PRA. Month then year.
The PRA and all SCBA’s are labeled with both unit and ID and sequential number within the unit.
Engine order is as follows officer, chauffeur, nozzle, back up, control, door.
Truck order is as follows officer chauffeur, Roof, OV, Irons and Can
