Soil Mechanics and Foundation
Which of the following methods is best suited for determination of permeability of coarse-grained soils ?

None of these
constant head method
both the above
falling head method

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

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

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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 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

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Soil Mechanics and Foundation
If the material of the base of the Casagrande liquid limit device on which the cup containing soil paste drops is softer than the standard hard rubber, then

The liquid limit of soil may increase
The liquid limit of soil may decrease
The liquid limit of soil always decreases
The liquid limit of soil always increases

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