Soil Mechanics and Foundation
A normally consolidated clay settled 10 mm when effective stress was increased from 100 kN/m2 to 200 kN/ m2. If the effective stress is further increased from 200 kN/ m2 to 400 kN/ m2, then the settlement of the same clay is

None of these
10 mm
40 mm
20 mm

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Soil Mechanics and Foundation
The major principal stress in an element of cohesion-less soil within the backfill of a retaining wall is

Vertical if the soil is in an active state of plastic equilibrium
None of these
Vertical if the soil is in a passive state of plastic equilibrium
Inclined at 45° to the vertical plane

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Soil Mechanics and Foundation
The average coefficient of permeability of natural deposits

Parallel to stratification is always less than that perpendicular to stratification
Parallel to stratification is always greater than that perpendicular to stratification
Parallel to stratification may or may not be greater than that perpendicular to stratification
Is always same in both directions

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