Soil Mechanics and Foundation
Effective stress on soil

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

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Soil Mechanics and Foundation
Quick sand is a

flow condition occurring in both cohesive and cohesionless soils
type of sand
flow condition occurring in cohesive soils
flow condition occurring in cohesionless soils

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Soil Mechanics and Foundation
Which of the following statements is correct?

A soil is said to be well graded if it has most of the particles of about the same size
Uniformity coefficient represents the shape of the particle size distribution curve.
None of these
For a well graded soil, both uniformity coefficient and coefficient of curvature are nearly unity.

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