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
Sensitivity of a soil can be defined as

percentage of volume change of soil under saturated condition
ratio of volume of voids to volume of solids
ratio of compressive strength of unconfined undisturbed soil to that of soil in a remoulded state
None of these

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Soil Mechanics and Foundation
With the increase in the amount of compaction energy

both optimum water content and maximum dry density decrease[ES 93]
both optimum water content and maximum dry density increase
optimum water content increases but maximum dry density decreases
optimum water content decreases but maximum dry density increases

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