Soil Mechanics and Foundation
Highway Research Board (HRB) classification of soils is based on

None of these
plasticity characteristics
both particle size composition and plasticity characteristics
particle size composition

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Soil Mechanics and Foundation
Degree of consolidation is

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

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Soil Mechanics and Foundation
Rise of water table above the ground surface causes

Decrease in pore water pressure but increase in total stress
Equal decrease in pore water pressure and total stress
Equal increase in pore water pressure and total stress
Increase in pore water pressure but decrease in total stress

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