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

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

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Soil Mechanics and Foundation
The ultimate consolidation settlement of a structure resting on a soil

Decreases with the decrease in the plastic limit
Decreases with the increase in the initial voids ratio
Increases with the increase in the initial voids ratio
Increases with the decrease in the porosity of the soil

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Soil Mechanics and Foundation
If the material of the base of the Casagrande liquid limit device on which the cup containing soil paste drops is softer than the standard hard rubber, then

The liquid limit of soil may increase
The liquid limit of soil always increases
The liquid limit of soil always decreases
The liquid limit of soil may decrease

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