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2. A rapid sand filter has a sand bed depth of 762mm. Sand specific gravity = 2.65 Porosity (ɛ) = 0.41 Filtration rate = 1.53 Ips/m^2 Shape factor (4) =
0.80 Temperature = 15°C%3D H = 1.139 x 10³kg/m-s p = 999.1kg/m3 Determine the head loss for a clean filter using the Carman-Kozeny equation for a stratified bed.
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