Soil Mechanics and Foundation
Select the incorrect statement. Effective angle of shearing resistance

is rarely more than 30° for fine grained soil
increases as the soil gradation im-proves
is limited to a maximum value of 45°
increases as the size of particles increases

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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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Soil Mechanics and Foundation
Degree of consolidation is

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

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