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A falling-head permeameter containing a silty clay loam soil sample has a sample diameter of 10 cm, a falling-head tube of diameter 2 cm, and a sample length of 4 cm. If the initial head is 15 cm. It falls 4 cm over a period of 6 hours. (a) Find the hydraulic conductivity of the soil sample in m/s and ft/d.
(b) What would be the hydraulic head after 12 hours?
(c) How long would it take for the hydraulic head to drop to 95% of the initial value?
The answer has been written in the photo.
We used general falling head permeameter formula.
The equation symbol has been expressed symbolically.