Soil Mechanics and Foundation
Bishop’s method of stability analysis

neglects the effect of forces acting on the sides of the slices
assumes the slip surface as an arc of a circle
is more conservative
All of these

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Soil Mechanics and Foundation
The average coefficient of permeability of natural deposits

Parallel to stratification may or may not be greater than that perpendicular to stratification
Parallel to stratification is always less than that perpendicular to stratification
Parallel to stratification is always greater than that perpendicular to stratification
Is always same in both directions

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

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Soil Mechanics and Foundation
Coefficient of earth pressure at rest is

greater than active earth pressure but less than passive earth pressure
greater than both the active earth pressure and passive earth pressure
less than both the active and passive earth pressures
less than active earth pressure but greater than passive earth pressure

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