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SCBA and Personal Protective Clothing Questions and Correct Answers | Latest Update
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Positive-Pressure SCBA keeps pressure in the face piece _____ atmospheric pressure -:- Slightly higher than Positive-pressure SCBA keeps pressure in the face piece slightly higher than atmospheric pressure. The positive pressure helps by: -:- Keeping outside contaminants from getting into th...

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  • September 20, 2024
  • 22
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • scba and personal protective clothing questions an
  • positive pressure scba keeps pressure in the face

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  • SCBA
  • SCBA

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2024 /2025 | © copyright | This work may not be copied for profit gain Excel!




SCBA and Personal Protective Clothing
Questions and Correct Answers | Latest
Update
Positive-Pressure SCBA keeps pressure in the face piece _____ atmospheric pressure


✓ -:- Slightly higher than




Positive-pressure SCBA keeps pressure in the face piece slightly higher than atmospheric

pressure. The positive pressure helps by:


✓ -:- Keeping outside contaminants from getting into the face piece




which are the basic components of open-circuit SCBA?(Select all that apply)


✓ -:- 1. AIR-CYLINDER ASSEMBLY

2. FACE-PIECE ASSEMBLY


3. REGULATOR ASSEMBLY


4. HARNESS ASSEMBLY




Open-Circuit SCBA is the most frequently used type in the fire service


✓ -:- True


1|P a g e | G r a d e A + | 2 0 2 0 2 5

,2024 /2025 | © copyright | This work may not be copied for profit gain Excel!




When the air-cylinder valve is open, the regulator assembly controls the flow of air through

the system


✓ -:- True




Air cylinders are rated for ____ minutes of breathing air.


✓ -:- 30, 45 or 60




Which statements about SCBA was it straps are true? (Select all that appl


✓ -:- 1. MAKE IT LESS LIKELY FOR THE CYLINDER TO GET CAUGHT

ON OBSTRUCTIONS 2. HELP PREVENT BACK INJURIES AND FALLS

3. PREVENT THE SIDE-TO SIDE MOVEMENT OF THE CYLINDER


4. Only units weighing more than 30 pounds (14 kg) need waist straps




The ____ is the heaviest part of the breathing apparatus


✓ -:- cylinder




An unfilled cylinder can weigh as much as 20 pounds (9.5kg)

2|P a g e | G r a d e A + | 2 0 2 0 2 5

, 2024 /2025 | © copyright | This work may not be copied for profit gain Excel!



✓ -:- True




The ensure a proper fit for SCBA, the backpack and harness assembly must be custom

ordered from a manufacturer


✓ -:- False




which are components of the air-cylinder assembly?


✓ -:- 1. Regulator

2. CYLINDER VALVE


3. PRESSURE GAUGE


4. CYLINDER




High-pressure cylinders are rated at _____ pounds per square inch (psi)


✓ -:- 4500




Cylinders may be made of: (Select all that apply)


✓ -:- 1. STEEL

2. titanium
3|P a g e | G r a d e A + | 2 0 2 0 2 5

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