Soil Mechanics and Foundation
Allowable bearing pressure for a foundation depends upon

none of above
allowable settlement only
both allowable settlement and ultimate bearing capacity
ultimate bearing capacity of soil only

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Soil Mechanics and Foundation
The ultimate consolidation settlement of a structure resting on a soil

Decreases with the increase in the initial voids ratio
Increases with the increase in the initial voids ratio
Decreases with the decrease in the plastic limit
Increases with the decrease in the porosity of the soil

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Soil Mechanics and Foundation
The admixture of coarser particles like sand or silt to clay causes

decrease in liquid limit and no change in plasticity index
decrease in both liquid limit and plasticity index
increase in both liquid limit and plasticity index
decrease in liquid limit and increase in plasticity index

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

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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
None of these
ratio of compressive strength of unconfined undisturbed soil to that of soil in a remoulded state

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