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CFD > MSA G1 SCBA > Flashcards

MSA G1 SCBA Flashcards

1
Q

What are the 10 main components of your SCBA?

A
  1. Face piece
  2. HUD
  3. Regulator w Bypass
  4. Speaker Module
  5. Harness and Carrier Assembly
  6. Cylinder w Gauge and Valve
  7. Pressure Reducer w UAC and Low Air Warning Bell
  8. Power Module
  9. Control Module w TIC
  10. Quick Fill Pouch
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2
Q

What is the purpose of Function A Test?

A

To see that the face piece and regulator can hold negative pressure.

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3
Q

What is the purpose of Function B test?

A

To check the speaker and regulator function.

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4
Q

What is the purpose of Function C Test?

A

To check Control Module, Power Module, HUD, and Primary Low Pressure Warning Device.

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5
Q

What are the 3 Pre-Entry Checks?

A

Tug Test, By-Pass, Negative Pressure

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6
Q

What is the minimum pressure your cylinder should have at the beginning of your shift?

A

4000 PSI

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7
Q

What pressure range is 4 green lights on the HUD?

A

75-100%

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8
Q

What pressure range is 3 green lights on the HUD?

A

50-74%

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9
Q

What pressure range is 2 yellow flashing lights on the HUD?

A

36-49%

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10
Q

What pressure range is 1 Red Flashing light on the HUD?

A

0-35%

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11
Q

At what pressure does the low warning bell engage?

A

1575 psi

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12
Q

At what pressure does the low pressure warning bell cease operation?

A

200 psi

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13
Q

The pressure reducer brings air psi to…

A

102-113 psi

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14
Q

What is the litre volume of a 45 minute psi cylinder?

A

1870 litres

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15
Q

What is the percentage of oxygen in normal air? IFSTA p203

A

19.5% but can range to 21%

19.5 would be the minimum.
Above 23 would be oxygen rich.

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16
Q

What pressure is (psi) the half air alarm (49%)?

A

2225 psi

17
Q

What does the acronym IDLH stand for?

A

Immediately dangerous to life and health

18
Q

The yellow buddy light indicates what?

A

1/2 air

19
Q

The lights on the right side of the HUD indicate what?

A

Air level indicator

20
Q

The primary low pressure warning will alarm (bell goes on) if the cylinder is below what psi and percentage…

A

1575 psi or 35%

21
Q

The PASS device goes into full alarm after how many seconds of motionless activity?

A

30 seconds

22
Q

What side is the quick fill pouch on?

A

Right side

23
Q

During a negative pressure test, negative pressure should be hold for how many seconds?

A

10 seconds

24
Q

What is the first step in donning the SCBA?

A

Slide the left arm through the left shoulder strap

25
Q

The pressure reducer warning signal (bell turns off) will stop if the cylinder pressure goes below:

A

200 psi

26
Q

Two yellow lights on the HUD indicate what pressure reading?

A

36%-49% or known as half air

27
Q

The red back light on the control module indicates system pressure is below what percentage and psi…

A

35% or 1575 psi

28
Q

To reset the full PASS alarm you must…

A

Double press either of the green buttons on the control module.

29
Q

The battery is housed in….

A

The middle of the back plate.

30
Q

The battery should be removed using the…

A

Battery removal tool

31
Q

During emergency RIT procedures, the RIT cylinder should be opened…

A

Prior to entry with hand wheel fully open

32
Q

After attaching the RIT airline to a downed firefighter you should…

A

Do a tug test

33
Q

During self rescue the first step when crawling through a wall is…

A

Ensure there is floor on the otherside

34
Q

What must you have in order for a function test to be valid?

A

A full (4000 psi) cylinder of air

35
Q

What are all the colors of buddy lights in the HUD?

A

Green, Orange, Red, Blue.

36
Q

When testing the control module, lay the control module down flat to check the white light illuminating the pressure gauge and to check the graphical display and analog gauge are within a _____% range or ______ psi with the cylinder pressure.

A

5% or 225psi

37
Q

The regulator has two buttons, a top and bottom button. The top button houses an LED buddy light. What colors does this buddy light flash and what do they mean?

A

The top button houses an LED buddy light. Yellow=1/2 air and Red=low air or the PASS.

CFD (37 decks)

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