Soil Mechanics and Foundation
Effective stress is

the stress at particles contact
All of these
important because it is a function of engineering properties of soil
a physical parameter that can be measured

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Soil Mechanics and Foundation
Degree of consolidation is

directly proportional to time and inversely proportional to square of drainage path
directly proportional to drainage path and inversely proportional to time
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
Coefficient of earth pressure at rest is

greater than both the active earth pressure and passive earth pressure
less than both the active and passive earth pressures
less than active earth pressure but greater than passive earth pressure
greater than active earth pressure but less than passive earth pressure

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