Soil Mechanics and Foundation
The effect of cohesion on a soil is to

increase both the active earth pressure intensity and passive earth pressure intensity
reduce both the active earth pressure intensity and passive earth pressure intensity
reduce the active earth pressure in-tensity but to increase the passive earth pressure intensity
increase the active earth pressure in-tensity but to reduce the passive earth pressure intensity [GATE 99]

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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

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

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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.
Uniformity coefficient represents the shape of the particle size distribution curve.
A soil is said to be well graded if it has most of the particles of about the same size
None of these

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