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

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

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

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

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

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