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Tice 2024 Questions > SCBA Manual > Flashcards

SCBA Manual Flashcards

1
Q

All members shall be ____ prior to any utilization of SCBA .

A

Fit-tested

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2
Q

SCBA inspections shall be conducted______.

A

Daily upon assuming duty
After each use
Weekly in conjunction w/ SCBA Sunday sanitation program.

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3
Q

Defective SCBA shall ____.

A

-Removed from service
-Tagged w/ SCBA repair request form
-Returned to mask room for repair

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4
Q

After incident using of SCBA, a journal entry shall be made noting _____.

A

-Number of SCBA used
-Approximate duration of use
-Any malfunction experienced/damage of substances

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5
Q

Can an SCBA be used for under water activities?

A

No SCBA shall not be used for under water activities

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6
Q

By products of the combustion process is _____.

A

Heat
Smoke
Toxic gases

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7
Q

Firefighters should not enter atmospheres with temperatures exceeding ___ without protective clothing and FULL respiratory protection.

A

120 degrees Fahrenheit

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8
Q

List the 7 gases that are the primary cause of fire deaths due to toxic gas inhalation.

A

carbon monoxide (CO)
carbon dioxide (CO2)
sulfur dioxide (SO2)
hydrogen sulfide (H2S)
hydrogen cyanide (HCN)
hydrogen chloride (HO)
phosgene (COCI2)

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9
Q

____ a colorless, odorless, flammable gas, is slightly lighter than air. Carbon
monoxide is present with every fire and is the most abundantly produced fire gas.

A

Carbon monoxide (CO)

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10
Q

SCBA will be utilized
when the concentration of carbon monoxide exceeds_____.

A

35 ppm (.0035 percent.)

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11
Q

_____a colorless, odorless, nonflammable gas, is produced by the combustion process.

A

Carbon dioxide (CO2)

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12
Q

The incomplete combustion of material from living things, such as wool, rubber, and hair yields;_______ it is a colorless gas with the characteristic foul odor of “rotten eggs”; it is heavier than air, very poisonous, corrosive, flammable and explosive.

A

HYDROGEN SULFIDE

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13
Q

The complete oxidation of sulfur-containing materials such as wool, rubber, and some woods are responsible for the formation of __________; has an extremely irritating effect on the eyes and respiratory tract.

A

SULFUR DIOXIDE

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14
Q

_______is a highly toxic colorless gas produced by the incomplete combustion of nitrogen containing materials such as wool, nylon, polyurethane foam, rubber, and paper. This gas, which has a noticeable “bitter almond” odor, can cause gasping respiration, muscle spasms, and an increased heart rate.

A

HYDROGEN CYANIDE

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15
Q

________is a colorless gas produced by the combustion of materials containing chlorine. Polyvinyl chloride (PVC) is the most notable source.

A

Hydrogen chloride/
HYDROGEN CHLORIDE AND CHLORINE

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16
Q

______is a colorless gas produced when refrigerants, such as Freon, used in refrigerators, air conditioners, and beverage coolers encounter flame. It has a “musty hay” odor, which serves as the only indication to its presence.

A

PHOSGENE

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17
Q

_________are formed when products containing carbon and chlorine burn, especially plastic, paper, pesticides, herbicides or other products where. chlorine is used in the manufacturing process; do not typically exist in materials before they are burned. They are inadvertently produced by paper and pulp bleaching, as well as by incineration of municipal wastes. They are also especially prevalent in structure fires and wildfires.

A

Dioxins

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18
Q

The earth’s atmosphere is composed of approximately ___percent oxygen, ___percent nitrogen, and ___percent other gases.

A

21 percent oxygen
78 percent nitrogen
1 percent other gases

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19
Q

The 3M Scott AP 75 5.5 SCBA assembly consists of the 6 major components:

A
  1. Cylinder and cylinder valve
  2. Harness and back-frame
    Dual EBSS (buddy breathing) with three feet of hose, and RIC/UAC

3.Pressure Reducer Assembly

  1. C5 breathing regulator
    Vibralert Alarm, purge valve, auto air-saver switch and heads-up display
  2. Pak-Alert Distress Alarm
    Sensor module with a built in Pak-Tracker locator transmitter and Control Console with Remote Pressure Gauge
  3. 3M Scott Vision C5 Facepiece
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20
Q

U.S. Department of Transportation (D.O.T.) regulations require that a hydrostatic test is performed on composite cylinders every____by a certified testing facility.

A

Five (5) years

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21
Q

The life span of a composite cylinder is____ from date of manufacture.

A

fifteen (15) years

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22
Q

According to the manufacturer,
the weight of a charged carbon fiber-wrapped cylinder is____.
When installed in the NFPA 1981, 2013 edition compliant 3M Scott AP 75 5.5 Air-Pak assembly, the weight is___.

A

Cylinder 14 lbs
Air-Pak assembly 30 lbs

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23
Q

Two bleed holes are located at_________ to allow air to vent to the atmosphere should the high-pressure cylinder be attached to a low-pressure system.

A

the base of the threaded outlet

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24
Q

The harness and back-frame assembly are designed to carry the weight of the SCBA on the wearer’s_____ to reduce fatigue.

A

hips

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25
Q

The identification for the harness is found on a metal identification tag attached to________.

A

the top of the back-frame and on a sticker on the bottom of the breathing regulator.

The harness back-frame will have a dog tag ID affixed to with the unit that the back-frame and the position that it is assigned.

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26
Q

The harness assembly consists of two shoulder straps and a waist belt made of Kevlar.
The Control Console with Remote Pressure Gauge assembly is located____.

A

the right shoulder strap.

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27
Q

The harness assembly consists of two shoulder straps and a waist belt made of Kevlar.The Control Console with The regulator and Heads-Up Display connector are located______ and can be utilized in emergency situations.

A

on the left shoulder strap

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28
Q

Attached on the left side of the integral waist pad is a storage pouch that is used to store______.

A

the Dual Emergency Breathing Support System (EBSS) and 36” inches. ( 3’ feet) of hose.
(AKA: Buddy breathing)

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29
Q

On the base of the harness on the left side is the quick charge,________ that is covered by a dust cap and is to be utilized during emergency situations.

A

Rapid Intervention Crew/Company
Universal Air Connection (RIC/UAC) System

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30
Q

The pressure reducer assembly is located ______.

A

on the left side of the back-frame

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31
Q

The primary reducing circuit reduces the air pressure to ______, and air is sent through the low-pressure hose to the mask-mounted breathing regulator where it is further reduced in pressure.

A

100 psi

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32
Q

When the air pressure remaining in the cylinder falls to ______or the primary pressure reducing circuit fails in the closed position, a transfer valve opens allowing the secondary pressure reducing circuit to function.

A

33% of the full pressure (1800psi) ; 1/3

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33
Q

The secondary pressure reducing circuit reduces the pressure of the air flowing from the cylinder to the mask-mounted breathing regulator from cylinder pressure to _____.

A

150 psi

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34
Q

The secondary pressure reducing circuit reduces the pressure of the air flowing from the cylinder to the mask-mounted breathing regulator from cylinder pressure to 150psi. The extra ____ supplied by the secondary pressure reducing circuit activates the Vibralert alarm, an audible end-of-service-time indicator.

A

50 psi

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35
Q

the Vibralert alarm, is ________.

A

Vibralert alarm is an audible and tactile End of Service Time Indicator (EOSTI) that warns the user that less than 33% of the full pressure (1800 psi) remains in the air supply cylinder.

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36
Q

The outlet manifold of the pressure reducer assembly is the attachment point for the low-pressure hose, and also contains a resettable over pressure relief valve set at _____.

A

225 psi

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37
Q

The mask mounted C5 breathing regulator contains 5 components:

A
  1. Auto air-saver switch
  2. Spray bar
  3. Purge valve
  4. Vibralert alarm
  5. Heads-up display
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38
Q

With the facepiece properly sealed to the face, the breathing regulator produces a pressure of approximately_____above atmospheric pressure inside the facepiece.

A

.036 to .054 psi

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39
Q

The auto air-saver switch is located on the____ of the mask-mounted breathing regulator.

A

right side

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40
Q

The regulator is equipped with a spray bar, comprised of _____in the upper part of the regulator assembly. When a user breathes in, air passes through the spray bar and is directed towards the lens, helping to keep the facepiece clear of condensation.

A

9 holes

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41
Q

The red knob located on the left side of the mask-mounted breathing regulator is the ______,a manual flow control used to bypass the internal mechanisms of the breathing regulator in the event of a breathing regulator failure.

A

purge valve

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42
Q

During normal operation of the unit, the purge valve shall be in the _____ position, with the indicator on the knob pointing to the _____ position.

A

OFF; twelve o’clock

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43
Q

A constant flow of at least ______(125 liters per minute), can be obtained by rotating the knob one half turn counterclockwise.

A

4.4 cubic feet per minute

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44
Q

The Vibralert Alarm is an audible and tactile warning device that signals the user by noise and vibration, indicating______.

A

➢ The air supply remaining in the cylinder is less than 33 percent of the rated capacity of the cylinder. (1800 psi)
and / or

➢ The primary reducing circuit has failed closed, and the secondary pressure reducing circuit is now in operation.
and / or

➢ The primary reducing circuit has failed open, and air at more than 225 psi has entered the outlet manifold. In this case, the relief valve on the outlet manifold will open and there will be a loud sound of escaping air.

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45
Q

If the Vibralert Alarm activates when the SCBA is in use, the wearer must immediately _______.

A

notify their Officer and/or partner and
leave the contaminated atmosphere.

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46
Q

The heads-up display consists of four rectangular lights to represent ____.

A

“THE CYLINDER PRESSURE”

-FULL Cylinder=two (2) green lights

-THREE-QUARTERS Cylinder= (1)single green light

-ONE-HALF Cylinder= yellow light flashing slowly at once a second.

-ONE-THIRD Cylinder= end of service time indicator is indicated by the red light at the far left of the display rapidly flashing at ten (10) times a second.

If this light is flashing when the SCBA is in use, the wearer must notify their Officer or partner, and must immediately leave the contaminated atmosphere

47
Q

A fifth battery-shaped red light, found to the right of the rectangular lights, indicates______.

A

LOW BATTERY.

48
Q

When the 3M Scott AP 75 5.5 SCBA is turned on, the heads-up display will initialize and illuminate all five (5) lights for _____seconds.

A

twenty (20) seconds.

49
Q

To avoid radio frequency interference members shall keep antennas of hand-held radios at least _____ away from the Control Console with Remote Pressure Gauge, and the Sensor Module of the Pak-Alert distress alarm.

A

six (6) inches

50
Q

The Pak-Alert-SE Distress Alarm is a Personal Alert Safety System (PASS) Device integrated into the Scott Air-Pak 75 5.5 SCBA. The device can be placed in monitoring mode either automatically by turning on the SCBA, or manually by pressing the manual alarm button on the Control Console with Remote Pressure Gauge, and then resetting the alarm by pressing the yellow reset button _____.

A

twice

51
Q

If the motion sensor does not sense motion of the SCBA for ____the Pak-Alert will signal a pre-alarm condition

A

20 seconds,

52
Q

If the motion sensor does not sense motion of the SCBA for 20 seconds, the Pak-Alert will signal a pre-alarm condition. If there is still no motion of the SCBA in the next ____, the full alarm will sound.

A

12 seconds

53
Q

How long do it take for the Pak-Alert to go into full alarm?

A

32 seconds total.

54
Q

With fresh alkaline batteries, the Pak-Alert will stay in monitoring mode (green flashing light with no sound) for about 1000 hours. With fresh alkaline batteries, the Pak-Alert will last in full alarm (red flashing light) for about ____.

A

8 hours.

55
Q

Facepieces are issued to each
member of the Department in one of three sizes: Small, Medium, and Large. Differences between the sizes are determined by _____as the polycarbonate lens is the same for all facepiece sizes.

A

the rubber gasket

56
Q

To transmit on a portable radio when wearing the 3M Scott Vision C5 facepieces, place the radio microphone about ___ away from,and in line with a speaking diaphragm, and speak normally

A

½”

57
Q

Damaged facepieces, or those with loose or missing hardware, must not be used, and must be tagged with the SCBA Repair Request Form and taken to the Mask Room for repair or replacement. If the defective facepiece cannot be immediately repaired, loaner facepieces are available through the on-duty ______.

A

Safety Battalion Chief

58
Q

The Pak-Tracker Locator Transmitter is mounted on the ___ of the SCBA back-frame and is activated with the PASS alarm.

A

bottom

59
Q

The Pak-Tracker HHR can detect a signal up to ____ in a straight line of sight and has the capability of penetrating through thick smoke in a structural fire.

A

nine hundred feet (900’)

60
Q

Each Pak-Tracker Locator Transmitter has been programmed to transmit a code that enables search
teams to identify up to ____ locator transmitters simultaneously in alarm mode.

A

thirty-six (36)

61
Q

Turn on the Handheld Receiver by ___ simultaneously

A

pressing both the SELECT and SCROLL buttons simultaneously

62
Q

The Handheld Receiver is powered and operates on one rechargeable NiMH battery. In non- tracking mode, the batteries will last approximately ____.
In tracking mode, the batteries will last approximately ______.

A

In non tracking 12 hours.
In tracking mode 6 hours.

63
Q

When the battery in the Handheld Receiver has
approximately _____ of its life remaining, the
“Low Batt” indicator light on the display panel will glow yellow.

A

twenty percent (20%)

64
Q

When the battery in the Handheld Receiver has
approximately twenty percent (20%) of its life remaining, the “Low Batt” indicator light on the display panel will glow yellow. The Handheld Receiver will continue to operate for approximately____in the low battery condition

A

forty-five (45) minutes

65
Q

When operating the HHR, Upon receiving a signal, slowly sweep the receiver from________ to locate the strongest signal.

A

side-to-side and/or up-and-down

66
Q

The LCD panel could display information from ____ personal transmitters at a time and is able to scroll up to 36 transmitters.

A

two

67
Q

Transmitter signals will usually pass through the following type of materials or openings:

A

• Openings such as gaps, holes, stairways, windows, or elevator shafts
• Glass
• Wood
• Light building materials

68
Q

Transmitter signals will reflect off the following types of materials:

A

• Metal, including structural framework
• Large metal objects
• Concrete walls or floors
• Brick or concrete block construction

69
Q

The transmitter signal will be absorbed by

A

the human body.

70
Q

The Pak-Tracker locator transmitter system ____ operate in other jurisdictions when providing Mutual Aid to departments equipped with the same transmitter system.
Explain!!

A

can

The technology behind the Pak-Tracker HHR consists of a “UNIVERSAL” high frequency 2.44 GHz RF signal that is tracked using the hand-held receiver

71
Q

cylinders shall be changed when the pressure gauge indicator falls below _____.

A

5000 psi

72
Q

Damage to composite cylinders is assessed on 3 levels.

A

Level 1–Cuts or scratches involving the outer surfaces
only.

Level 2–Cuts that have penetrated through outer layers of plastic and have cut the fiber over-wrap threads.

Level 3–Cuts greater than Level 2 or cuts that exposed bare metal.

73
Q

Check the batteries by depressing the ____, located on the side of the control console with remote cylinder gauge

A

reset button (yellow button) once,

74
Q

A green light will flash twice (once when the button is depressed and once when it is released) on the control console with remote pressure gauge if the batteries are ___.

A

OK

75
Q

Two red lights (top and bottom of the LED display) will flash if the battery power is _____.

A

low and the batteries must be replaced.

76
Q

Checking the Pak-Alert alarm, Check the batteries by depressing the reset button (yellow button) once, located on the side of the control console with remote cylinder gauge. At the absence of any light indicates that the Pak-Alert is _______.

A

defective, or that the batteries are either completely discharged or missing.

77
Q

Reset the Pak-Alert alarm by pressing the reset button (yellow button) ____.

A

twice

78
Q

Inspect the steel wire frame. Locate the colored flow test date sticker. Ensure harness has been tested within ____remove the SCBA harness from service and report to the Mask Room.

A

the last year of the current date.
If test date is past 1 year,

79
Q

Check the heads-up display that all five lights light for ____ after which the two green lights, indicating full, should be lit

A

20 seconds

80
Q

the 3M Scott AP 75 5.5 SCBA to remain motionless for _____the unit will enter the pre-alert mode, indicated by red lights alternating once a second.

A

20 seconds.

81
Q

Inspect the pressure reducer.
Look for colored flow test date sticker.
Ensure RIT-Pak has been flow tested within____,

A

1 year of current date.

82
Q

The weight of the SCBA is designed to be carried on the hips, not on the shoulders. Fully adjusting the ______will result in the weight of the unit resting on the shoulders instead of on the hips, causing increased fatigue.

A

shoulder straps prior to adjusting the waist straps

83
Q

‘The ABC’S acronym may be used to perform an organized assessment:

A

Airway
Breathing
Cylinder
Straps

84
Q

RIT Pak high pressure hose with RIC/UAC connection is______in length.

A

25’ High Pressure Hose

85
Q

RIT Pak low pressure hose with standard Dual EBSS
connection is _____ in length.

A

20’ Low Pressure Hose

86
Q

RIT Pak cylinder gauge with low air whistle activates at _____cylinder pressure.

A

25%

87
Q

RIT Pak as a two-person team with specific
responsibilities. The team shall consist of the _______and _______.

A

“air management firefighter”
“packaging firefighter.”

88
Q

When a user has an intact and functioning SCBA with a low air supply, the RIC/UAC connection may be utilized to _____compressed air from the RIT Pak cylinder to the cylinder needing air.

A

“TRANSFILL”
This allows the pressure in two cylinders to be
equalized under high pressure.

89
Q

If the downed firefighter is breathing but not forceful enough to start the flow of air the purge valve may be closed and the regulator _____by quickly striking the outside (on the red Scott label) to trip the diaphragm to start on-demand airflow.

A

“bumped”

90
Q

When a user requiring air (Vibralert activated) is supplied from another SCBA via the Dual EBSS to Dual EBBS method, both users’ Vibralerts will activate. An automatic switch in the pressure reducer allows both users to deplete the lowest cylinder first. Once the air pressure in the low cylinder has been depleted (less than ____PSI),

A

500 psi

91
Q

The Dual EBSS to Dual EBBS method together gives users ____combined length of EBSS hoses to allow for maneuverability.

A

72”

92
Q

Dual EBSS to Low Pressure Quick Connect, creates the potential exists to expose the firefighter to the contaminated atmosphere. Upon making the connection, members will have approximately ____ of low-pressure hose connecting them

A

four feet

93
Q

In the case of a failure, the user must immediately leave the contaminated atmosphere with their partner and must immediately notify their Officer. If unable to leave the IDLH immediately, the user must declare a _____.

A

MAYDAY

94
Q

The mnemonic for a sudden loss of air supply to the facepiece is “high, low, and away.” Meaning_____.

A

High refers to the left hand going high to the purge valve,

low refers to the right hand going low to the cylinder valve,

away refers to both valves being turned away from the wearer.

95
Q

CLEANING AND DISINFECTING THE FACEPIECE ASSEMBLY, Remove the facepiece from the mask-mounted breathing regulator. Webbing should be cleaned with_____..

A

with soap and water.

96
Q

CLEANING AND DISINFECTING THE FACEPIECE ASSEMBLY, Disinfect the facepiece by spaying the facepiece with _____ on the both sides of the
facepiece. Allow ____of contact time prior to rinsing.

A

Fresh-Gear
10 minutes

97
Q

CLEANING AND DISINFECTING THE FACEPIECE ASSEMBLY, Rinse the facepiece assembly with water, NEVER wash the facepiece with hot water.
Use ____water to clean the unit.

A

tepid / lukewarm to touch.
never use water warmer than 110 degrees Fahrenheit

98
Q

The 45-minute compressed air cylinder of a 3M Scott Air-Pak 75 5.5 SCBA contains ___ cubic feet of air pressurized to 5500 psi.

A

66 cubic feet

99
Q

The cylinder contains a copper disc used as an over
pressure relief valve. The disc can be damaged by corrosion with the use of detergents. The only
cleaning materials that are to be used to clean the air supply cylinder are _______.

A

Fresh-Gear and liquid dish detergent.

100
Q

‘The Department maintains five (5) air compressors, there are located_____.

A

-Four are located at fixed facilities, Engine
Co. 4, Engine Co. 8, the Fire Training Academy and Adams Place Warehouse.
-Fifth is mobile and is carried on Mobile Air Unit

101
Q

The Air Units shall maintain a minimum of ____ready for service harnesses on the unit at all times.

A

5

102
Q

Each Air Unit shall maintain an inventory of ___ exchangeable hoods. Hoods are to be exchanged one for one.

A

30

103
Q

The purge knob on the side of the mask mounted regulator is a manual override allowing the user to create a constant flow of air into the facepiece at a flow of up to ______.

A

225 liters per minute

104
Q

Rapidly filling a breathing air cylinder, also known as ____ generates excessive heat and can result in a loss of pressure as the cylinder cools, leaving the user with reduced breathing air.

A

“hot filling”

105
Q

Air unit technicians shall maintain ___harnesses on the unit at all times.

A

five (5)

106
Q

Cylinders that show damage or evidence of exposure to heat or flames should ______.

A

be removed from service,
emptied of air,
tagged with an SCBA Repair Request Form and reported to the Mask Room.

107
Q

When the air supply cylinder is empty, or the pressure remaining has fallen below ____, the cylinder must be replaced with a full cylinder.

A

5,000 psi

108
Q

If a malfunction occurs with SCBA assembly on the fireground, _____ to prevent re-use by personnel unaware of the malfunction.

A

tie the harness straps into a knot

109
Q

The air management firefighter will be the ____ position on the truck unlessotherwise directed company and be responsible for carrying the RIT Pak, performing the assessment, and making all air connections.

A

Hook

110
Q

The “packaging firefighter” will be the ____position on the truck responsible for doing all downed firefighter packaging (waist/shoulderstraps/webbing) and securing the RIT Pak to the downed firefighter for extrication from the IDLH.

A

Barman

111
Q

Emergency air supply can be broken
down into two main categories: ______.

A

supply of compressed air for breathing,
and component replacement to remedy a failed or missing component.

112
Q

Since the weight of an SCBA is designed to be carried on the _____, the _____ to avoid causing fatigue.

A

hips;
waist straps must be adjusted prior to the shoulder straps

113
Q

The sensor module of the Scott Air-Pak 75 5.5 is outfitted with lights. The lights will flash red alternately when the _____.

A

Personal Alert Safety System (PASS) pre-alarm is sounding

114
Q

The sensor module of the Scott Air-Pak 75 5.5 is outfitted with lights. The lights will flash orange alternately when the _____.

A

cylinder is low on air (1/3 cylinder)

Tice 2024 Questions (14 decks)

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