SCBA USE & Maintenance Flashcards

1
Q

BLACKBOARD TEST QUESTION

At what percentage of your bottle is it recommended you should begin to exit the IDLH environment?

A

50%

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2
Q

BLACKBOARD TEST QUESTION

Once the EBSS is connected to the trapped firefighters BA which bottle should be turned off?

A

The bottle of the trapped firefighter

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3
Q

BLACKBOARD TEST QUESTION

How often should you exercise your exhalation valve?

A

Daily (every shift you work)

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4
Q

BLACKBOARD TEST QUESTION

Recent studies have shown that our SCBA facepieces may begin to fail at what approximate temerature?

A

300 degrees

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5
Q

BLACKBOARD TEST QUESTION

How long is the EBSS hose?

A

39 inches

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6
Q

Daily Routine,checkouts-BA? (4x)

A
• Form 20 
• Ensure bottle is filled 
no less than 4000 PSI 
• Exercise the 
exhalation valve on 
the facepiece during 
morning checks 
• Visually inspect the 
BA
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7
Q

Weekly Routine, checkouts-BA?

A
1. Ensure shut-off button and 
bypass valve are in off position 
2. Open bottle to activate PASS 
and lights 
3. Shut off bottle 
4. Observe gauge for 10 seconds 
5. Test low air warning whistle 
6. Bleed all residual air from hose 
7. Allow PASS to cycle to full alert, 
check all lights on backpack 
harness and PASS device 
8. Manually click on/off button to 
turn PASS off
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8
Q

What if the exhalation valve

sticks?

A
  1. Press facepiece to face
  2. Cover Air-Klic opening with
    your palm
  3. Exhale forcefully to unstick
    exhalation valve
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9
Q

What if your exhalation valve

sticks during an incident?

A

• Notify crew members and exit the
building.
• A stuck exhalation valve will not stop
the positive pressure air supply.
• Increased exhalation pressure from the
user will allow air to blow by the skirt of
the facepiece and allow the firefighter to
exit safely.

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10
Q

Backpack Harness and Frame Colors?

A
Black-First Line apparatus
Red-Reserve apparatus
Orange-Battalion spare
Blue-Training
Green-BA Repair shops(Pacoima)
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11
Q
Truth is… 
The improved capacity of the 
cylinders is \_\_\_ intended for 
more time inside the IDLH 
environment, rather, it is designed 
to increase the margin of time 
that firefighters have to \_\_\_\_\_\_the 
IDLH environment.
A

NOT

EXIT

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12
Q

Recommended Rule of Air
Management (R.O.A.M)
1.Make sure your bottle is ______ before you enter
2.Continuously monitor air supply at least every ____minutes
3.Notify Company Officer and/or other company
members when your air supply reaches _____
and begin exiting the building

A
  1. FULL
  2. 3 minutes
  3. 50%
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13
Q

The last ____ of your air supply is specifically intended to be
used as an “emergency air supply.”

A

25%

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14
Q

The amber LED’s will flash once every
___seconds indicating a usable battery.
To indicate a low battery, they will flash
every __seconds.

A

10s

2s

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15
Q
Lack of movement will start the 
staged alarm in approximately \_\_\_\_\_
seconds as the LEDs alternate 
flashing green and red. Once at full 
alert the LEDs will only flash red.
A

20s

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16
Q
• Normal operation= alternating green 
LED’s blink once every second 
• PASS activated= alternating green and 
red 
• PASS full alert= red LED’s will blink once 
every second
A

info in card

17
Q
Recent studies have 
shown that the 
average firefighter 
can last an average 
of \_\_\_\_\_\_\_ minutes 
with a 4500 PSI 
bottle in an IDLH 
atmosphere
A

16.6-18.5 minutes

18
Q

Your audible alarm will begin to sound
when you have _____ of your air
supply left (_____-______psi)

A

23-27%

1035-1215psi

19
Q
When your air pressure 
drops to \_\_\_ a 
corresponding red light 
will blink in the front of 
the HUD to warn others 
your low on air. When 
you reach \_\_\_ of your 
air the light will blink 
noticeably faster
A

25%

10%

20
Q

The HUD will shut off at _____.

A

200psi

21
Q

HUD

• 4 GREEN LIGHTS

A

100%- 75% LEFT

22
Q

• 3 GREEN LIGHTS

A

75%- 52% LEFT

23
Q

• 2 GREEN LIGHTS

A

52%- 50% LEFT

24
Q
Flash = Time to Dash 
• Top left light flashes for 20 
seconds indicating you are now 
are \_\_\_ of your bottle capacity, 
then will go back to continuous 
green 

• At ___ only one light shall be lit
green

• At ___ the only light still lit will
begin to continuously flash

• At ____ the light will begin flashing
significantly faster

A
Flash = Time to Dash 
• Top left light flashes for 20 
seconds indicating you are now 
are 50% of your bottle capacity, 
then will go back to continuous 
green 

• At 27% only one light shall be lit
green

• At 25% the only light still lit will
begin to continuously flash

• At 10% the light will begin flashing
significantly faster

25
Q
“Humm” or R-EBT 
Technique 
• Allows you to inhale as 
you normally would 
• Exhale as usual adding 
the hum noise 
intermittently 
• Promotes consistent 
breaths helping 
circulation in mask
A

USE HUMM breathing Technique not Skip

26
Q

What do you do if you vomit in Facepiece?

A
  1. Dont remove mask
  2. open Red bypass
  3. crack seal just below chin
  4. exit