Soil Mechanics and Foundation
Select the incorrect statement. Effective angle of shearing resistance

is rarely more than 30° for fine grained soil
increases as the soil gradation im-proves
is limited to a maximum value of 45°
increases as the size of particles increases

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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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