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SCBA and Personal Protective Clothing Questions with 100% Correct Answers | Latest Update | Verified $8.39   Add to cart

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SCBA and Personal Protective Clothing Questions with 100% Correct Answers | Latest Update | Verified

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  • SCBA And Personal Protective Clothing

Air cylinders rated for 30 minutes of breathing air provide a firefighter with a minimum of 30 minutes of breathing time - False 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 ...

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  • September 10, 2024
  • 11
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • SCBA and Personal Protective Clothing
  • SCBA and Personal Protective Clothing
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PatrickKaylian
SCBA and Personal Protective Clothing
Air cylinders rated for 30 minutes of breathing air provide a firefighter with a minimum of 30 minutes of
breathing time - False



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



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



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



The ____ is the heaviest part of the breathing apparatus - cylinder



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

, The ensure a proper fit for SCBA, the backpack and harness assembly must be custom ordered from a
manufacturer - False

Positive-Pressure SCBA keeps pressure in the face piece _____ atmospheric pressure - Slightly
higher than



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




What are the four SCBA regular assembly components - 1. Regulator

2. Pressure-reducing device

3. Remote pressure gauge

4. Low-pressure alarm




Usually has two regulator

bypass valvue or purge valve is used to bleed



The first stage regulator reduces the high-pressure cylinder air and allows it to be carried to the mask. -
True



What is the SCBA bypass valve used for? (Select all that apply) - 1. PROVIDES AIR FROM THE
PRESSURE-REDUCING DEVICE IN THE EVENT OF REGULATOR FAILURE

2. repressurizes the face-piece

3. expels exhaled carbon dioxide

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