The hydraulic conductivity of soil does not depend on (a) unit weight of soil so
ID: 1710347 • Letter: T
Question
The hydraulic conductivity of soil does not depend on (a) unit weight of soil solids. (b) unit weight of water flowing through the void spaces of the soil. (c) viscosity of water flowing through the void spaces of the soil. (d) void ratio of the soil. For fairly uniform sand, the hydraulic conductivity k (in cm/s) is related to the effective size D_10 (in mm) of the soil particles as (a) k = cD_10. (b) k = cD^2_10. (c) k = c/D_10. (d) k = cD^2_10. where c is a constant that varies from 1.0 to 1.5. The hydraulic conductivity k of soil is related to its void ratio e as (a) e alpha e/1 + e. (b) e alpha e^2/1 + e. (c) e alpha e^3/1 + e. (d) e alpha e^4/1 + e. For anisotropic soils, (a) k_x = k_z. (b) k_x notequalto k_z. (c) k_x > k_z. (d) k_xExplanation / Answer
15.hydraulic conductivity does not depend upon a) unit weight of soil solid
16. hydraulic conductivity b)k=cD(10)^2 is correct answer because this relation we got by allen hazel equation.
17. k depends c) e^3/(1+e)
18.b) Kx is not equal to Kz for an isotropic soil and if these two are same then soil is said to be isotropic
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