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100mm Figure cross section. Water is supplied to maintain a constant head difference of 300 mm across the sample. The hydraulic conductivity of the soils in the direction of flow through them are as follows: shows three layers of soil in a tube that is 100 mm 100 mm in Imm A- TT Soil k (cm /sec) Water supply A. 10-2 3 x 10- 4.9 x 10-4 C Constant head difference = 300 mm Find the rate of water supply in cm/hr. h= 300 mm = 0.3mtm) em=30cm Imm 10-3m A B - ISUmm 0.15m/ Imm 150 mm 150 mm 150 mm