Determine the efficiency of a ventilating fan that is able to handle 4.4m3/ sec of air through a 91cm diameter duct agai

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answerhappygod
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Determine the efficiency of a ventilating fan that is able to handle 4.4m3/ sec of air through a 91cm diameter duct agai

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Determine the efficiency of a ventilating fan that is able to handle 4.4m3/ sec of air through a 91cm diameter duct against a static pressure of 0.022m water gage. Prevailing atmospheric is 730mm Hg, temperature is 29.44°C, and the fluid density is 62.1117 lb/ ft3. The input to the fan is 2.65kW.
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