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
None of these
For a well graded soil, both uniformity coefficient and coefficient of curvature are nearly unity.
Uniformity coefficient represents the shape of the particle size distribution curve.

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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

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

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