The zone in a soil mass where the pore water pressure is zero is called the:
A. Capillary zone
B. Phreatic line
C. Zone of saturation
D. Perched water table
Answer: Option B
A. Capillary zone
B. Phreatic line
C. Zone of saturation
D. Perched water table
Answer: Option B
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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