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32 Cards in this Set
- Front
- Back
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How do you Remotely activate CO2 Flooding System
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occurs by pulling the pull box handle until the cable can be seen.
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How can you tell if the CO2 Flooding System has been charged.
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A red indicator light will be ignited
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The CO2 Flooding System is primarily used to fight class
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Bravo and Charlie fires.
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The safety disc will rupture at what psi to prevent overpressurization.
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2650 and 3000 PSI to prevent overpressurization.
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The liquid CO2 is pressurized to what psi in 50 lbs cylinders
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850 PSI in the 50 lb. cylinders.
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The CO2 Hose Reel System is intended to support what type of firefighting effort
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localized
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The CO2 Hose Reel Systems are found where
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nuclear ship main spaces, electric propulsion motor spaces.
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CO2 is stored as what
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liquid in shatter proof steel cylinders
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What is the normal capacity of a cylinder
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50 lbs
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How many cylinders are typically in a room
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it depends on the requirements of the area to be protected
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what prevents overpressurization by allowing the cylinder to discharge before there is too muh pressure
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safety disk
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What are some preventative measures to keep CO2 from discharging
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operating pull cable must be covered in q cable guard pipe, there must be a metal case or box over the top of the cylinders
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give an example of remotely activating CO2
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Using the watertight break glass box outside of the danger zone
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where are the pressure operated located
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outside the protected area near the access to the space.
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what do the pressure operated switches do
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shuts down ventilation, lights the red lamp in the FR circuit, and sounds the alarm bell
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what are the 2 locations of the glass pull box
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local, near the access of the space, remote-away from the immediate area.
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where are the pressure operated switches located at
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near the access to the space
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how are pressure operated switches operated
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by co2 pressure or manually
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what do the pressure operated switches do
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shutdown ventilation, light the red lamp, and sound the alarm bell
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what is the pressure of a co2 cylinder
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850 psi at 70 f
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what psi does the safety disc rupture
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2650 3000
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what is the multiple pull mechanism
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connects the local and remote pull boxes to a single cable
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what size are the flexible loops
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1/2 in
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what do the flexible loops do
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connect the discharge heads to the discharge manifold which distributes the co2 through multijet nozzles
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what does the first cylinder bank do
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discharges and acts as a pilot for the rest of the cylinders
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how is co2 automatically discharged
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activated by flame or heat
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how is the hose and reel system activated
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primarily manually
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how many cylinders are in a hose and reel system
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2
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how are the cylinders on a hose and reel system connected
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by a discharge piping that connects to the reel assembly
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how are the cylinders actuated in a hose and reel system
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each cylinder is actuated independently
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whats the minimum pressure on high pressure hose on the hose reel
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minimum 5000 psi
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what are some of the components of the hose reel
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connection axle swivel nut and packing gland
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