Which index property defines the range of water content over which soil is plastic?
A. Liquid limit
B. Shrinkage limit
C. Plasticity index
D. Consistency index
Answer: Option C
A. Liquid limit
B. Shrinkage limit
C. Plasticity index
D. Consistency index
Answer: Option C
What does the term "soil compaction" refer to in soil mechanics?
A. Increasing water content
B. Decreasing porosity by mechanical means
C. Increasing organic content
D. Increasing permeability
The Atterberg limits are used to describe:
A. Strength of rocks
B. Soil permeability
C. Consistency of fine-grained soils
D. Bearing capacity of soil
The effective stress principle in soil mechanics was proposed by:
A. Boussinesq
B. Terzaghi
C. Darcy
D. Casagrande
Which soil property primarily influences the rate of consolidation?
A. Shear strength
B. Permeability
C. Dry density
D. Specific gravity
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