Soil Mechanics and Foundation
Coefficient of consolidation for clays normally

remains constant at all liquid limits
first increases and then decreases with increase in liquid limit
increases with increase in liquid limit
decreases with increase in liquid limit

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

reduce the active earth pressure in-tensity but to increase the passive earth pressure intensity
increase both the active earth pressure intensity and passive earth pressure intensity
reduce both the active earth pressure intensity and 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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