Soil Mechanics and Foundation
Bishop’s method of stability analysis

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

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Soil Mechanics and Foundation
The major principal stress in an element of cohesion-less soil within the backfill of a retaining wall is

Inclined at 45° to the vertical plane
Vertical if the soil is in an active state of plastic equilibrium
None of these
Vertical if the soil is in a passive state of plastic equilibrium

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Soil Mechanics and Foundation
Rise of water table above the ground surface causes

Equal increase in pore water pressure and total stress
Decrease in pore water pressure but increase in total stress
Equal decrease in pore water pressure and total stress
Increase in pore water pressure but decrease in total stress

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Soil Mechanics and Foundation
In a triaxial compression test when drainage is allowed during the first stage (i. e. application of cell pressure) only and not during the second stage (i.e. application of deviator stress at constant cell pressure), the test is known as

unconsolidated undrained test
unconsolidated drained test
consolidated undrained test
consolidated drained test

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