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In the following reconstruction of the tragedy, experts were surprised to find out that CAFS filled hoses are more likely to burst under heat because the foam is unable to cool the hoses sufficiently. [2] All fire hose types are susceptible to hose bursts and ruptures which can and have resulted in injury and deaths to firefighters.
A conical hose-stream aimed around an opening—of a window or door, etc.—entrains smoke and thus increases the exhaust rate of smoke from the space. This is a process called hydraulic ventilation. This strategy might be used when the fire is small and protecting property from smoke damage can be achieved safely.
The sewn leather hose tended to burst, so a hose fabricated of leather fastened together with copper rivets and washers was invented by members of Philadelphia's Humane Hose Company. [8] Around 1890, unlined fire hoses made of circular woven linen yarns began to replace leather hoses. They were certainly much lighter.
a garden hose. Fire grenade glass bottle filled with carbon tetrachloride or similar fire extinguishing fluid; meant to be thrown and shatter at base of fire to mix with air to produce non-combustible mixture; Similar to extinguishers made of glass fixtures with spring-loaded clapper released by heat-fusible link. Limited effectiveness, and ...
5-inch (13 cm) flex suction hose with Storz fittings, mounted on an engine. Flexible suction hose (Flex suction or suction hose), not to be confused with hard suction hose in U.S., is a specific type of fire hose used in drafting operations, when a fire engine uses a vacuum to draw water from a portable water tank, pool, or other static water source.
A third person handing the hose to the two individuals on the ends facilitates the process. After the desired length of hose is connected, and sometimes the air removed from the interior with a fire hose vacuum, it is laid in a compartment or hose bed in a predetermined manner depending on the type of lay being built. Almost always the nozzle ...
That same pungent, chemical smell had choked the air just a few miles away as the fire kept racing before dawn on January 8 through west Altadena, sending embers zipping through the air like bullets.
A fog nozzle. A fog nozzle is a firefighting hose spray nozzle that breaks its stream into small droplets.By doing so, its stream achieves a greater surface area, and thus a greater rate of heat absorption, which, when compared to that of a smoothbore nozzle, speeds its transformation into the steam that smothers the fire by displacing its oxygen.
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