Soil Mechanics and Foundation
The maximum dry density upto which any soil can be compacted depends upon

moisture content only
amount of compaction energy only
both moisture content and amount of compaction energy
None of these

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

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

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Soil Mechanics and Foundation
The shear strength of a soil

Is directly proportional to the angle of internal friction of the soil
Decreases with decrease in normal stress
Is inversely proportional to the angle of internal friction of the soil
Decreases with increase in normal stress

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