Soil Mechanics and Foundation
Sensitivity of a soil can be defined as

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

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

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