Podcast
Questions and Answers
What type of filter is used in the cylinder connector to capture particulates?
What type of filter is used in the cylinder connector to capture particulates?
How do you disconnect the pressure reducer from the cylinder?
How do you disconnect the pressure reducer from the cylinder?
What is the purpose of the Safety Pin?
What is the purpose of the Safety Pin?
What type of cells are used in the rechargeable battery module?
What type of cells are used in the rechargeable battery module?
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What happens when the power module detects low pressure?
What happens when the power module detects low pressure?
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What feature does the power module have that records information about the SCBA?
What feature does the power module have that records information about the SCBA?
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What is displayed on the graphical display of the control module?
What is displayed on the graphical display of the control module?
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What connects the control module to the high pressure air source and power module?
What connects the control module to the high pressure air source and power module?
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What is displayed on the primary screen of the SCBA?
What is displayed on the primary screen of the SCBA?
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What happens if the SCBA should not be used?
What happens if the SCBA should not be used?
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What is the purpose of the self-test screen?
What is the purpose of the self-test screen?
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What is based on the continuation of the average breathing rate over the last three minutes?
What is based on the continuation of the average breathing rate over the last three minutes?
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What happens if maintenance is necessary?
What happens if maintenance is necessary?
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How can the secondary screen be accessed?
How can the secondary screen be accessed?
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What is the percentage of remaining service pressure when the countdown timer stops?
What is the percentage of remaining service pressure when the countdown timer stops?
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What should you use the time indicator on the primary screen as?
What should you use the time indicator on the primary screen as?
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What is the primary reason for using Self-Contained Breathing Apparatus (SCBA) in firefighting?
What is the primary reason for using Self-Contained Breathing Apparatus (SCBA) in firefighting?
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What should be assumed about any smoke and gases present at an incident?
What should be assumed about any smoke and gases present at an incident?
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When should an atmosphere be considered hazardous?
When should an atmosphere be considered hazardous?
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What is a consequence of failure to use an SCBA in hazardous atmospheres?
What is a consequence of failure to use an SCBA in hazardous atmospheres?
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What is a benefit of using an SCBA in firefighting?
What is a benefit of using an SCBA in firefighting?
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What should firefighters do if there is any doubt about whether an SCBA is required?
What should firefighters do if there is any doubt about whether an SCBA is required?
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Why are modern buildings constructed with hazardous materials?
Why are modern buildings constructed with hazardous materials?
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What is the primary goal of Standard Operating Procedures at all incidents?
What is the primary goal of Standard Operating Procedures at all incidents?
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What is displayed on the secondary screen of the SCBA?
What is displayed on the secondary screen of the SCBA?
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What is the purpose of the unit identifier on the SCBA?
What is the purpose of the unit identifier on the SCBA?
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When should the SCBA be inspected?
When should the SCBA be inspected?
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What is the color of the pressure status indicator when the pressure is between 36 - 49%?
What is the color of the pressure status indicator when the pressure is between 36 - 49%?
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What is displayed on the user's right side of the HUD?
What is displayed on the user's right side of the HUD?
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What is the purpose of the HUD pressure status indicators?
What is the purpose of the HUD pressure status indicators?
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What is the pressure range for Segment 1 of the HUD pressure status indicators?
What is the pressure range for Segment 1 of the HUD pressure status indicators?
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Why should the SCBA not be inspected before cleaning if there is danger of contacting hazardous contaminants?
Why should the SCBA not be inspected before cleaning if there is danger of contacting hazardous contaminants?
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What should be done if the SCBA fails any of the conditions listed in the Visual Inspection section or if the SCBA does not function properly for all tests outlined in the Functional Tests section?
What should be done if the SCBA fails any of the conditions listed in the Visual Inspection section or if the SCBA does not function properly for all tests outlined in the Functional Tests section?
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What should be inspected for deterioration, dirt, cracks, debris, tears, holes, stickiness, signs of heat or chemical related damage, or other visible signs of damage?
What should be inspected for deterioration, dirt, cracks, debris, tears, holes, stickiness, signs of heat or chemical related damage, or other visible signs of damage?
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What should be checked on the facepiece rubber?
What should be checked on the facepiece rubber?
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What should be inspected on the exhalation valve?
What should be inspected on the exhalation valve?
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What should be inspected on the regulator?
What should be inspected on the regulator?
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What should be inspected on the quick connect hose?
What should be inspected on the quick connect hose?
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What should be done to release the pressure reducer?
What should be done to release the pressure reducer?
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Why should the inhalation valve be inspected?
Why should the inhalation valve be inspected?
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Study Notes
Hazards of Fighting Fires
- The human respiratory system is sensitive and delicate, making it vulnerable to injury from smoke, gases, and other hazards.
- Standard Operating Procedures require the use of Self-Contained Breathing Apparatus (SCBA) in hazardous atmospheres.
Hazardous Atmospheres
- An atmosphere is considered hazardous if it contains:
- High heat
- Smoke
- Toxic gases
- Oxygen deficiency
- Suspected hazardous material release
- Modern buildings may release toxic chemicals when they burn, increasing the risk of inhalation hazards.
SCBA Components
- Pressure reducer:
- Incorporates an intermediate pressure relief valve
- Has a cylinder connector with a sintered filter to capture particulates
- Connects to the cylinder via a Quick Connect fitting
- Power module:
- Serves as the power supply and provides information for the control module, regulator, and speaker module
- Connected to the backplate
- Emits audible PASS alarms and pre-alarms
- Has 4 buddy lights
- Contains non-replaceable lithium-ion cells
- Notifies the user when batteries need to be recharged
- G1 Control Module:
- The user's interface with the SCBA and PASS device
- Assembled to the high-pressure air source and power module
- Equipped with an analog gauge and graphical display
- Provides vital information: time remain, cylinder pressure, battery status, and alarms
SCBA Operation
- The PASS device performs a self-test during startup to ensure correct operation
- The primary screen displays critical information, including calculated remaining service time
- The secondary screen displays additional information, including temperature gauge, Bluetooth connectivity, and battery status
- The HUD provides pressure and alarm status through light pipes into the facepiece
SCBA Inspection and Maintenance
- The District requires daily inspection of SCBA as part of the daily check-off
- Inspectors should check for:
- Deterioration, dirt, cracks, debris, tears, holes, or other visible signs of damage
- Functionality of all components
- Facepiece inspection, including lens, rubber, and exhalation valve
- Regulator inspection, including o-ring and seal ring
- Pressure reducer inspection, including quick connect hose and fittings
- SCBA that fail any inspection condition should be removed from service
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Description
This quiz covers the hazards associated with firefighting and all-hazards mitigation, including the importance of using Self-contained Breathing Apparatus (SCBA) to protect the respiratory system.