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

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

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Soil Mechanics and Foundation
Effective stress on soil

Increases both voids ratio and permeability
Decreases both voids ratio and permeability
Increases voids ratio and decreases permeability
Decreases voids ratio and increases permeability

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Soil Mechanics and Foundation
A cylindrical specimen of saturated soil failed under an axial vertical stress of 100kN/m2 when it was laterally unconfmed. The failure plane was inclined to the horizontal plane at an angle of 45°. The values of cohesion and angle of internal friction for the soil are respectively

0.05 N/mm² and 0°
0.05 N/mm² and 45°
0.5 N/mm² and 30°
0.2 N/mm² and 0°

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Soil Mechanics and Foundation
In hydrometer analysis for a soil mass

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

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