Soil Mechanics and Foundation
In hydrometer analysis for a soil mass

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

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Soil Mechanics and Foundation
Coefficient of compressibility is

different for different types of soils but same for a soil under different states of consolidation
different for different types of soils and also different for a soil under different states of consolidation
independent of type of soil but depends on the stress history of soil
constant for any type of soil

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Soil Mechanics and Foundation
Sensitivity of a soil can be defined as

ratio of compressive strength of unconfined undisturbed soil to that of soil in a remoulded state
percentage of volume change of soil under saturated condition
None of these
ratio of volume of voids to volume of solids

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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

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

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