Soil Mechanics and Foundation
If the water content of a fully saturated soil mass is 100%, then the voids ratio of the sample is

equal to specific gravity of soil
greater than specific gravity of soil
less than specific gravity of soil
independent of specific gravity of soil

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Soil Mechanics and Foundation
The major principal stress in an element of cohesion-less soil within the backfill of a retaining wall is

Inclined at 45° to the vertical plane
None of these
Vertical if the soil is in a passive state of plastic equilibrium
Vertical if the soil is in an active state of plastic equilibrium

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

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.
None of these

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Soil Mechanics and Foundation
A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m2 when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of internal friction for the soil are respectively

0.2 N/mm² and 0°
0.05 N/mm² and 0°
0.05 N/mm² and 45°
0.5 N/mm² and 30°

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