Soil Mechanics and Foundation
Degree of consolidation is

directly proportional to square of drainage path and inversely proportional to time
directly proportional to time and inversely proportional to drainage path
directly proportional to drainage path and inversely proportional to time
directly proportional to time and inversely proportional to square of drainage path

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

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