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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