Podcast
Questions and Answers
High ex can be used to augment or replace ____ nozzles, and in many cases It’s safer due to its ability to be applied from a safer area.
High ex can be used to augment or replace ____ nozzles, and in many cases It’s safer due to its ability to be applied from a safer area.
Cellar
High ex is an extremely expanded solution of water, air, and _____ (____:1 to ____:1 ratio)
High ex is an extremely expanded solution of water, air, and _____ (____:1 to ____:1 ratio)
Detergent, 400, 1000
High ex foams primary function is to ___ an enclosure, thus pushing out the products of combustion and replacing them with a water solution, which will cool the source of fire.
High ex foams primary function is to ___ an enclosure, thus pushing out the products of combustion and replacing them with a water solution, which will cool the source of fire.
Fill
When high ex foam is discharged into an area, an opening must be provided near the ____ ceiling spaces, preferably _____ the place where the foam is being injected.
When high ex foam is discharged into an area, an opening must be provided near the ____ ceiling spaces, preferably _____ the place where the foam is being injected.
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What is not one of the three factors to be present for high ex foam to work?
What is not one of the three factors to be present for high ex foam to work?
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In some cases of structural stability seems assured, as is likely for a ____ fire in a ______ concrete building, it may be possible and beneficial to gain control of the fire and then send crews in with hand lines for final extinguishment
In some cases of structural stability seems assured, as is likely for a ____ fire in a ______ concrete building, it may be possible and beneficial to gain control of the fire and then send crews in with hand lines for final extinguishment
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Light travels only a ___ feet in high ex foam and is widely diffused through all the bubbles
Light travels only a ___ feet in high ex foam and is widely diffused through all the bubbles
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Sound is also muffled; the already muffled voices from within the SCBA facepieces can barely be heard _ or _ ft away
Sound is also muffled; the already muffled voices from within the SCBA facepieces can barely be heard _ or _ ft away
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Firefighters can breakdown the foam blanket by ______ movement or by use of a hose stream on ____ setting.
Firefighters can breakdown the foam blanket by ______ movement or by use of a hose stream on ____ setting.
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What is not a circumstance listed for allowing members to enter a high ex foam blanket?
What is not a circumstance listed for allowing members to enter a high ex foam blanket?
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Balloon framing was very common in homes built in the late ____ and early ____, particularly in the east and _____
Balloon framing was very common in homes built in the late ____ and early ____, particularly in the east and _____
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The second floor joist in balloon framing rest on a small board (__in) that is notched into the upright 2x4s called a _____ board.
The second floor joist in balloon framing rest on a small board (__in) that is notched into the upright 2x4s called a _____ board.
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If fire is found in the walls of a ballon frame from the cellar fire the first line is stretched to cellar, second as backup and the third line is stretched to the ___ floor or ____
If fire is found in the walls of a ballon frame from the cellar fire the first line is stretched to cellar, second as backup and the third line is stretched to the ___ floor or ____
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Start on the ____ walls and the plumbing wall behind the ____.
Start on the ____ walls and the plumbing wall behind the ____.
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A fire in a cellar or basement of a ballon frame house is one of the few cases where ________ in a private dwelling is justified.
A fire in a cellar or basement of a ballon frame house is one of the few cases where ________ in a private dwelling is justified.
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When high ex foam is discharged into an area an opening must be provided near the ____ ceiling spaces, preferably opposite the place where the foam is being injected
When high ex foam is discharged into an area an opening must be provided near the ____ ceiling spaces, preferably opposite the place where the foam is being injected
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If the fire in a basement or cellar is found in a ballon frame send the third line to the ____ or the attic
If the fire in a basement or cellar is found in a ballon frame send the third line to the ____ or the attic
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Basement fires are one of the few fires where residential vertical ventilation is needed to stop the fire from going into the attic or _____
Basement fires are one of the few fires where residential vertical ventilation is needed to stop the fire from going into the attic or _____
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