Soil Mechanics and Foundation
In a consolidated drained test on a normally consolidated clay, the volume of the soil sample during shear

remains unchanged
increases
decreases
first increases and then decreases

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Soil Mechanics and Foundation
The shear strength of a soil

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

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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 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]
reduce both the active earth pressure intensity and passive earth pressure intensity

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