Soil Mechanics and Foundation
With the increase in the amount of compaction energy

optimum water content increases but maximum dry density decreases
both optimum water content and maximum dry density increase
optimum water content decreases but maximum dry density increases
both optimum water content and maximum dry density decrease[ES 93]

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Soil Mechanics and Foundation
The total discharge from two wells situated near to each other is

sum of the discharges from individual wells
equal to larger of the two discharges from individual wells
less than the sum of the discharges from individual wells
greater than the sum of the discharges from individual wells

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