Soil Mechanics and Foundation
The total and effective stresses at a depth of 5 m below the top level of water in a swimming pool are respectively

1.0 kg/cm² and 0.5 kg/cm²
zero and zero
0.5 kg/cm² and zero
0.5 kg/cm² and 0.5 kg/cm²

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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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