What does soil classification help determine?
A Soil moisture
B Soil shrinkage
C Soil texture and behavior
D Soil color
What does permeability of soil refer to?
A Ability to transmit water
B Ability to retain water
C Ability to compact
D Ability to shrink
What is the main cause of soil consolidation?
A Compression of soil under load
B Soil freezing
C Decrease in soil moisture
D Increase in air content
Which test measures the shear strength of soil?
A Proctor test
B CBR test
C Plate load test
D Triaxial test
Which soil type has the highest plasticity?
A Gravel
B Clay
C Sand
D Silt
What is the primary purpose of the California Bearing Ratio (CBR) test?
A Test soil compaction
B Determine soil permeability
C Assess soil strength for road design
D Measure shear strength
What does a direct shear test measure?
A Soil shear strength
B Soil shrinkage
C Soil compaction
D Soil permeability
What is the role of geotextiles in soil applications?
A Increase plasticity
B Prevent erosion
C Enhance compaction
D Decrease permeability
Which factor primarily affects soil consolidation?
A Soil compaction
B Soil color
C Soil depth
D Pore water pressure
What is the primary function of soil stabilization?
A Increase soil plasticity
B Reduce moisture content
C Improve soil strength
D Decrease soil volume
What causes soil erosion?
A Water and wind action
B Low permeability
C High compaction
D Excess moisture
What is the effect of compaction on soil?
A Increases water retention
B Reduces volume and increases strength
C Increases permeability
D Decreases shear strength
What does the Atterberg limits test determine?
A Moisture content
B Soil permeability
C Shear strength
D Plasticity and consistency of soil
What does soil-structure interaction study?
A Soil temperature
B Soil moisture
C Interaction between soil and structure under load
D Soil erosion
Which of the following tests measures soil compaction?
A Triaxial test
B CBR test
C Plate load test
D Proctor test