Soil Mechanics and Foundation
Terzaghi’s theory of one dimensional consolidation assumes

All listed here
Water and soil particles are incompressible
Deformation of the soil, is entirely due to change in volume
Soil is homogeneous and fully saturated

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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 undrained test
unconsolidated drained test
consolidated drained test

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

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