Soil Mechanics and Foundation
Coefficient of consolidation for clays normally

first increases and then decreases with increase in liquid limit
remains constant at all liquid limits
decreases with increase in liquid limit
increases with increase in liquid limit

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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 greater than that perpendicular to stratification
Parallel to stratification is always less than that perpendicular to stratification
Is always same in both directions

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