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

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

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Soil Mechanics and Foundation
In hydrometer analysis for a soil mass

both meniscus correction and dispersing agent correction are additive
both meniscus correction and dispersing agent correction are subtractive
meniscus correction is subtractive and dispersing agent correction is additive
meniscus correction is additive and dispersing agent correction is subtractive

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Soil Mechanics and Foundation
The admixture of coarser particles like sand or silt to clay causes

decrease in liquid limit and no change in plasticity index
increase in both liquid limit and plasticity index
decrease in both liquid limit and plasticity index
decrease in liquid limit and increase in plasticity index

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

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

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