Soil Mechanics and Foundation
Quick sand is a

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

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Soil Mechanics and Foundation
The average coefficient of permeability of natural deposits

Is always same in both directions
Parallel to stratification is always greater than that perpendicular to stratification
Parallel to stratification may or may not be greater than that perpendicular to stratification
Parallel to stratification is always less than that perpendicular to stratification

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Soil Mechanics and Foundation
The rise of water table below the foundation influences the bearing capacity of soil mainly by reducing

cohesion and effective angle of shearing resistance
effective angle of shearing resistance
effective unit weight of soil and effective angle of shearing resistance
cohesion and effective unit weight of soil

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