Engineering, 18.09.2019 04:20, Bombin1118

Afan draws air from the atmosphere through a 0.30‐m‐diameter round duct that has a smoothly rounded entrance. a differential manometer connected to an opening in the wall of the duct shows a vacuum pressure of 2.5 cm of water. the density of air is 1.22 kg/m3. determine the volume rate of air flow in the duct in cubic feet per second. what is the horsepower output of the fan?

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Afan draws air from the atmosphere through a 0.30‐m‐diameter round duct that has a smoothly rounded...