SCBA

Question 1

SCBA regulator diaphragm is made of ——- ——- similar to a
level ‘A’ entry suit 1.2

Answer 1

Butyl rubber

Question 2

The CBRN approval means that the SCBA has met the Niosh and NFPA criteria for exposure to which 2 agents?
1.2

Answer 2

Liquid mustard and Sarin agents

Question 3

And approved SCBA CBRN regulator can be identified by its ——-background label?
1.2

Answer 3

Orange background label

Question 4

An approved back frame assembly for your SCBA can be identified by a?
1.2.

Answer 4

CDC NIOSH sticker

Question 5

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.

Answer 5

True

Question 6

If a member runs out of air, what is the first thing they should do? 2.1.7.

Answer 6

Remove regulator then notify Officer

Question 7

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

Answer 7

Large enough so a person can enter and work

Question 8

Is a windowless building considered a confined space? 2.2.1

Answer 8

Yes

Question 9

T/F
In terms of confined space members must operate in teams of two. 2.2.4

Answer 9

False
2 or more and maintain contact

Question 10

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

Answer 10

3
It must be placed out of service.

Question 11

The service life for the air cylinder is
—— years. 3.2.3
Hydrostatic testing is done every ——- years. 3.2.4

Answer 11

15 years
5 years hydrostatic
SOC Escape Cylinders are hydrostatic every 3 years.

Question 12

The hydrostatic test date for cylinders will be found where on the cylinder? 3.2.4

Answer 12

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

Question 13

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

Answer 13

25%

Question 14

SCBA, inspect all spare cylinders at depot’s high-rise units company and reserve apparatus ——on ——-for full pressure at ——. 3.2.12

Answer 14

Weekly on Monday
4500 psi

Question 15

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

Answer 15

True

Question 16

SCBA designated training cylinders identified with ——- . 3.2.15

Answer 16

Blue top and/or polymer protective sleeve
Do not use for firefighting purposes

Question 17

SCBA to replace or tighten the nylon O-ring there are two tools you need what are they and their sizes?
3.4.2

Answer 17

1/8 Allen Wrench
7/16 open end wrench

Question 18

T/F SCBA, a missing UAC dust cover shall be placed out of service 3.5.2

Answer 18

True

Question 19

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.

Answer 19

Left side
100psi
Slightly above atmospheric pressure.

Question 20

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.

Answer 20

150 psi
Vibralert alarm

Question 21

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.

Answer 21

Open position
Relief valve in the PRA
Excess of 185 psi
Partially closed

Question 22

SCBA. If the manual shut off fails to release for any reason, turn the ——- valve in which direction?
How many degrees to start the flow of air?
3.8.2. B

Answer 22

Purge valve
Downward
180°

Question 23

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

Answer 23

Upwards is normal mode

Question 24

SCBA. Purge valve. For the following emergencies.
1- failure of the regulator in the closed 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

Answer 24

1- Counter -Clockwise
2- purge valve fully
Partially closing cylinder valve

Question 25

T/F SCBA. Purge valve is used if the facepiece is damaged. 3.8.4 B.

Answer 25

False SEVERELY DAMAGED

Question 26

T/F SCBA. Purge valve is used if the manual shut off fails to release for any reason. 3.8.4 B.

Answer 26

True

Question 27

T/F Vibralert and HUD work independently and may not activate at precisely the same time. 3.8.5. B

Answer 27

True

Question 28

T/F The Vibralert alarm will activate if the PRA‘s primary system malfunctions thus activate in the secondary system. 3.8.5 D.

Answer 28

True

Question 29

The Vibralert alarm has a spray bar comprised of ——small holes. 3.8.8

Answer 29

9 This helps with condensation issues

Question 30

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.

Answer 30

4 lights Rectangular for pressure Round Red indicates low Battery.

Question 31

When the cylinder valve is turned on the HUD will initialize and illuminate all five lights for — seconds 3.8.9 A

Answer 31

20 seconds

Question 32

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

Answer 32

Full 2 green lights 3/4 1 green 1/2 yellow flashing slowly 1/4 red light 10 TIMES a second .

Question 33

HUD. Batteries require changing the round low battery indicator at the far right of display will light for — seconds and then begin to flash ——- at ——— a second. 3.8.9 C.

Answer 33

20 seconds Slowly at once a second

Question 34

Face pieces have three different sizes and three different colors. What are they? Small size is? Comfort? Extra Large? 3.9.1

Answer 34

Small is Green Comfort is Black Extra Large is Red

Question 35

SCBA. A break in the control console tube will result in a ——-air leak. 3.10.3

Answer 35

SLIGHT While this leak will not greatly reduce the members breathing air, the member must notify officer immediately and and leave contaminated area

Question 36

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.

Answer 36

False Never plug those holes

Question 37

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.

Answer 37

2 lights Buddy

Question 38

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.

Answer 38

20 seconds Pre Alarm Condition 12 seconds Full Alarm 20+12=32

Question 39

Once your pak alert, SE 7 goes into full alarm condition, what is the way to clear the alarm? 3.10.7.

Answer 39

Cleared by manually, pressing the reset button twice located on the side of the CONTROL console.

Question 40

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.

Answer 40

2 seconds Green Light

Question 41

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.

Answer 41

Reset Button Green Light Red Light

Question 42

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.

Answer 42

Philips 6 batteries AA PS this is the only maintenance that can be done by firefighters

Question 43

Is the Pak alert in intrinsically safe?

Answer 43

Yes

Question 44

If the nose cup or voicemitter becomes damaged or missing who was the officer notify?

Answer 44

Letterhead Report to Chief of OPS via the chain of command stating full particulars. Officer will interview members

Question 45

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.

Answer 45

Safety Command and MSU Member is not to operate in areas required SCBA until problems is resolved.

Question 46

Inspect cylinder valve threads for damage or missing threads, what is a good indicator for damage in the threads? 4.2.4.

Answer 46

Cracks are indicated by BRIGHT silver line along the cylinder threads.

Question 47

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

Answer 47

False A Slight Positive Pressure should be left in the bottle

Question 48

How long do the five lights on the HUD illuminate when turning the mask on? Page 27

Answer 48

20 seconds PS the same number before mask goes into pre-alarm

Question 49

HUD Lights? Full? 3/4? 1/2? 1/4?

Answer 49

2 green 1 green 1 yellow flashing slowly 1 red flashing rapidly

Question 50

SCBA Emergency procedure from being entangled or trapped. What is next step? 6

Answer 50

Must transmit Mayday

Question 51

If you are in an entanglement situation, which pocket is the best to be used for a cutting tool? 6.1.7

Answer 51

Right pocket of Bunker coat

Question 52

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

Answer 52

1 hand

Question 53

If a member runs out of air, the member should remove ———. 6.5.3

Answer 53

The regulator The donned facepiece will provide some protection to the skin

Question 54

A member experienced a failure of the facepiece lens, which results in bubbling or a hole must? 6.5.5.

Answer 54

Must not touch or attempt to cover the opening

Question 55

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

Answer 55

Fast Pak for members. Fast Pak OTHER than the one assigned to the Fast Unit. Spare SCBA

Question 56

When using the handie-talkie place the microphone ——— the voicemitter. 7.2.2

Answer 56

Directly on

Question 57

What is the universal sign that another member knows of an emergency and should promptly follow in that direction? 7.4.1

Answer 57

4 distinct blows on the SHOULDER and then pulls that member in a specific direction

Question 58

Emergency distress, when a pass alarm is activated in the ——— for — seconds the member hearing the alarm should immediately notify the —. 7.5

Answer 58

Full Alarm for 10 seconds IC

Question 59

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.

Answer 59

1/4 cup of chlorine bleach 1 gallon of water Never increase concentration of bleach.

Question 60

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 ?

Answer 60

1-Clear 3-light 4- SOC for pick up

Question 61

Facepiece cleaning, immerse facepiece in hydrochloride solution for 5 minutes wipe the lens with cloth. Never allow facepiece to remain immersed for longer than five minutes. 8.5.3.

Answer 61

Never longer than 5 minutes

Question 62

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

Answer 62

70%

Question 63

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.

Answer 63

True

Question 64

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

Answer 64

Depress manual shutoff Close purge valve Clockwise 6 full pumps

Question 65

Cleaning regulator allow — minutes of contact time to disinfect prior to rinsing. 8.6.5

Answer 65

10 minutes of contact time. Remember never allow facepiece to remain immersed for longer than 5 minutes

Question 66

T/F Alcohol and water can be used directly into the spray bar ports. 8.6.5.

Answer 66

False

Question 67

T/F Rinse regulator with drinking water, using a spray bottle or softly running water. 8.6.6

Answer 67

True

Question 68

What is the only acceptable way to remove water from the regulator. 8.6.7.

Answer 68

Shake and OPEN the purge valve.

Question 69

SCBA, PRA where is the month and the year of the last service date recorded? 9.1.2.

Answer 69

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.

Question 70

The PRA and all SCBA’s are labeled with both unit and ID and sequential number within the unit.

Answer 70

Engine order is as follows officer, chauffeur, nozzle, back up, control, door. Truck order is as follows officer chauffeur, Roof, OV, Irons and Can