Questions and Answers
What activates the primary low pressure warning device during use?
What is a feature of the cylinder valve assembly's pressure gauge?
What is the purpose of the pressure-relief device in the cylinder valve assembly?
What feature is NOT provided by the shoulder pads in the G1 Carrier and Harness Assembly?
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What is the drag rating of the hop handle on the ergonomic backplate?
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What does the cylinder band do in the G1 Carrier and Harness Assembly?
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What is the function of the adjustable pull straps in the harness assembly?
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At what PSI does the bell alarm for low pressure actuate?
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Study Notes
Cylinder Valve Assembly
- Features a large pressure gauge with photoluminescent face for visibility.
- Non-locking handwheel for easy operation of the cylinder valve assembly.
- Includes a pressure-relief device to safely vent over-pressurized cylinders.
Primary Low Pressure Warning Device (Bell)
- Engages automatically at 35% of SCBA's rated service pressure, approximately 1575 PSI.
- Activates when there are about 16 minutes of service time remaining.
G1 Carrier and Harness Assembly
- Comprises various components designed for safety and comfort:
- Backplate: Houses power module, battery module, and pressure reducer; includes large handles for handling and storage with drag ratings of 1000 lbs (hop handle) and 500 lbs (side handles).
- Cylinder Band: Metal construction with a latch, ensuring secure retention and facilitating cylinder installation/removal.
- Shoulder Pads: Designed for weight distribution, featuring a friction pad to minimize strap slippage, retroreflective materials for visibility, and steel buckles for security. Snap buttons allow easy replacement or repair of components.
- Lumbar Pad: Provides additional support and comfort to the lower back during use.
- Adjustable Pull Straps: Facilitate customization of fit for different users.
- Waist Belt: Enhances stability and comfort.
- Regulator Keeper: Secures the regulator in place for easy access and use.
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Description
This quiz covers the components and features of SCBA cylinder valve assembly and primary low pressure warning device, including pressure gauges and handwheels.
