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

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

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Soil Mechanics and Foundation
Rise of water table above the ground surface causes

Increase in pore water pressure but decrease in total stress
Decrease in pore water pressure but increase in total stress
Equal increase in pore water pressure and total stress
Equal decrease in pore water pressure and total stress

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

None of these
For a well graded soil, both uniformity coefficient and coefficient of curvature are nearly unity.
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.

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Soil Mechanics and Foundation
Coefficient of compressibility is

independent of type of soil but depends on the stress history of soil
constant for any type of soil
different for different types of soils but same for a soil under different states of consolidation
different for different types of soils and also different for a soil under different states of consolidation

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