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

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

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Soil Mechanics and Foundation
In a triaxial compression test when drainage is allowed during the first stage (i. e. application of cell pressure) only and not during the second stage (i.e. application of deviator stress at constant cell pressure), the test is known as

unconsolidated undrained test
consolidated drained test
unconsolidated drained test
consolidated undrained test

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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
greater than the sum of the discharges from individual wells
less than the sum of the discharges from individual wells

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