Soil Mechanics and Foundation
Coefficient of permeability of soil

None of these
increases with the decrease in temperature
does not depend upon temperature
increases with the increase in temperature

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Soil Mechanics and Foundation
Effective stress on soil

Decreases both voids ratio and permeability
Increases both voids ratio and permeability
Decreases voids ratio and increases permeability
Increases voids ratio and decreases permeability

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Soil Mechanics and Foundation
If the material of the base of the Casagrande liquid limit device on which the cup containing soil paste drops is softer than the standard hard rubber, then

The liquid limit of soil may increase
The liquid limit of soil always increases
The liquid limit of soil always decreases
The liquid limit of soil may decrease

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Soil Mechanics and Foundation
Within the consolidation process of a saturated clay

a gradual decrease in neutral pressure and a gradual increase in effective pressure takes place and sum of the two is constant
both neutral pressure and effective pressure decrease
both neutral pressure and effective pressure increase
a gradual increase in neutral pressure and a gradual decrease in effective pressure takes place and sum of the two is constant

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