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

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Soil Mechanics and Foundation
The shear strength of a soil

Decreases with increase in normal stress
Is directly proportional to the angle of internal friction of the soil
Is inversely proportional to the angle of internal friction of the soil
Decreases with decrease in normal stress

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

Uniformity coefficient represents the shape of the particle size distribution curve.
None of these
A soil is said to be well graded if it has most of the particles of about the same size
For a well graded soil, both uniformity coefficient and coefficient of curvature are nearly unity.

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Soil Mechanics and Foundation
Degree of consolidation is

directly proportional to time and inversely proportional to square of drainage path
directly proportional to square of drainage path and inversely proportional to time
directly proportional to time and inversely proportional to drainage path
directly proportional to drainage path and inversely proportional to time

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