Soil Mechanics and Foundation
Which of the following methods is best suited for determination of permeability of coarse-grained soils ?

None of these
both the above
falling head method
constant head method

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Soil Mechanics and Foundation
Effective stress on soil

Decreases voids ratio and increases permeability
Increases voids ratio and decreases permeability
Decreases both voids ratio and permeability
Increases both voids ratio and permeability

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Soil Mechanics and Foundation
In a deposit of normally consolidated clay

effective stress increases with depth but water content of soil and un-drained strength decrease with depth
effective stress, water content and undrained strength decrease with depth
effective stress and undrained strength increase with depth but water content decreases with depth
effective stress and water content increase with depth but undrained strength decreases with depth

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