Question: Select the incorrect statement. a) Effective cohesion of a soil can never have a negative value. b) Effective angle of internal friction for coarse grained
Select the incorrect statement.
a) Effective cohesion of a soil can never have a negative value.
b) Effective angle of internal friction for coarse grained soils is rarely below 30.
c) Effective angle of internal friction for a soil increases as state of compact-ness increases.
d) Effective angle of internal friction is a complicated function of mineralogy and clay size
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