Soil Mechanics and Foundation
Select the incorrect statement. Effective angle of shearing resistance

is limited to a maximum value of 45°
is rarely more than 30° for fine grained soil
increases as the size of particles increases
increases as the soil gradation im-proves

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Soil Mechanics and Foundation
Coefficient of compressibility is

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

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