1. A flow rate of 16 m/(m² h) is maintained through a 0.6-m-deep bed of filter sand. The sand is uniformly sized with diameter 0.4 mm, specific gravity 2.65, and shape factor 0.85. Determine the...

Extracted text: 1. A flow rate of 16 m/(m² h) is maintained through a 0.6-m-deep bed of filter sand. The sand is uniformly sized with diameter 0.4 mm, specific gravity 2.65, and shape factor 0.85. Determine the headloss through the bed if the water temperature is 15°C. The porosity is 0.4.