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

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

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Soil Mechanics and Foundation
The admixture of coarser particles like sand or silt to clay causes

decrease in liquid limit and increase in plasticity index
increase in both liquid limit and plasticity index
decrease in liquid limit and no change in plasticity index
decrease in both liquid limit and plasticity index

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Soil Mechanics and Foundation
In hydrometer analysis for a soil mass

meniscus correction is additive and dispersing agent correction is subtractive
both meniscus correction and dispersing agent correction are additive
both meniscus correction and dispersing agent correction are subtractive
meniscus correction is subtractive and dispersing agent correction is additive

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