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WebFOAM: A fire fighting foam is simply a stable mass of small air-filled bubbles, which have a lower density than oil, gasoline or water. Foam is made up of three ingredients - water, foam concentrate and air. When mixed in the correct proportions, these three ingredients form a homogeneous foam blanket. WebThe high cost of Aqueous Film Forming Foam AFFF concentrate makes it expensive to conduct the routine testing of shipboard High Capacity Fog Foam station proportioners … in which medium does light travel the slowest

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WebWheat flour (well-known for bread making) has a higher foam stability (94 mL/100 mL) [39] than ETF (71 mL/100 mL) and STF (47 mL/100 mL). Therefore, despite its gluten free, teff flour-based bread ... WebApplication description HG foam generators are used within 'inside air'applications, for the protection of enclosed spaces and are suitable for installations in warehouses, flammable liquid stores, tunnels and marine engine and pump rooms. WebVerified questions. A heavy sphere attached to a string should hang at an angle \theta θ when immersed in a stream of velocity U U, as in Fig. P7.80. Obtain an expression for … in which medium does sound travel fastest