ICC ECC Soils
Comprehensive Resource To Help You Ace 2026-2027
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! (Current Update!!)
1. The strength and compaction ability of soil depend on which of the following factors?
A. Soil color and texture
B. Soil type, density, and moisture content
C. Temperature and climate
D. Depth and location
Correct Answer: B. Soil type, density, and moisture content
2. Which of the following correctly identifies common soil types?
A. Sand, clay, rock, gravel
B. Gravel, sand, silt, clay, organic soils
C. Clay, peat, loam, limestone
D. Sand, gravel, asphalt, clay
Correct Answer: B. Gravel, sand, silt, clay, organic soils
3. Organic soils are characterized by:
A. High strength and durability
B. Large amounts of decayed plant material
C. High compaction ability
D. Use in structural foundations
Correct Answer: B. Decayed plant material
,4. Why are organic soils generally unsuitable for construction?
A. Too dry
B. Too dense
C. Contain decomposed plant material and lack strength
D. Too coarse
Correct Answer: C. Lack structural strength
5. Silt and clay soils are classified based on:
A. Particle color
B. Plasticity (ability to be molded)
C. Density
D. Moisture only
Correct Answer: B. Plasticity
6. Gravel and sand are classified based on:
A. Color
B. Plasticity
C. Particle size distribution (uniform vs well-graded)
D. Moisture content
Correct Answer: C. Particle size distribution
7. Which of the following correctly describes a typical soil profile layer?
A. Sandstone → Clay → Gravel
B. Complex zone → Glacio-lacustrine clay → Glacial till → Bedrock
C. Clay → Organic soil → Sand
D. Gravel → Sand → Clay only
Correct Answer: B. Correct soil profile sequence
8. Soil strength consists primarily of:
, A. Density and pressure
B. Cohesion and friction
C. Moisture and temperature
D. Size and shape
Correct Answer: B. Cohesion and friction
9. Which soil type primarily exhibits cohesion?
A. Sand
B. Gravel
C. Clay
D. Silt
Correct Answer: C. Clay
10. Soil most commonly fails due to:
A. Compression
B. Tension
C. Shear
D. Expansion
Correct Answer: C. Shear
11. Soil strength is used to determine:
A. Soil color
B. Foundation bearing capacity and slope stability
C. Soil texture
D. Soil temperature
Correct Answer: B. Bearing capacity and stability
12. Which of the following is NOT a soil strength test?
A. Unconfined compression test
B. Direct shear test
Comprehensive Resource To Help You Ace 2026-2027
Includes Frequently Tested Questions With ELABORATED
100% Correct COMPLETE SOLUTIONS
Guaranteed Pass First Attempt!! (Current Update!!)
1. The strength and compaction ability of soil depend on which of the following factors?
A. Soil color and texture
B. Soil type, density, and moisture content
C. Temperature and climate
D. Depth and location
Correct Answer: B. Soil type, density, and moisture content
2. Which of the following correctly identifies common soil types?
A. Sand, clay, rock, gravel
B. Gravel, sand, silt, clay, organic soils
C. Clay, peat, loam, limestone
D. Sand, gravel, asphalt, clay
Correct Answer: B. Gravel, sand, silt, clay, organic soils
3. Organic soils are characterized by:
A. High strength and durability
B. Large amounts of decayed plant material
C. High compaction ability
D. Use in structural foundations
Correct Answer: B. Decayed plant material
,4. Why are organic soils generally unsuitable for construction?
A. Too dry
B. Too dense
C. Contain decomposed plant material and lack strength
D. Too coarse
Correct Answer: C. Lack structural strength
5. Silt and clay soils are classified based on:
A. Particle color
B. Plasticity (ability to be molded)
C. Density
D. Moisture only
Correct Answer: B. Plasticity
6. Gravel and sand are classified based on:
A. Color
B. Plasticity
C. Particle size distribution (uniform vs well-graded)
D. Moisture content
Correct Answer: C. Particle size distribution
7. Which of the following correctly describes a typical soil profile layer?
A. Sandstone → Clay → Gravel
B. Complex zone → Glacio-lacustrine clay → Glacial till → Bedrock
C. Clay → Organic soil → Sand
D. Gravel → Sand → Clay only
Correct Answer: B. Correct soil profile sequence
8. Soil strength consists primarily of:
, A. Density and pressure
B. Cohesion and friction
C. Moisture and temperature
D. Size and shape
Correct Answer: B. Cohesion and friction
9. Which soil type primarily exhibits cohesion?
A. Sand
B. Gravel
C. Clay
D. Silt
Correct Answer: C. Clay
10. Soil most commonly fails due to:
A. Compression
B. Tension
C. Shear
D. Expansion
Correct Answer: C. Shear
11. Soil strength is used to determine:
A. Soil color
B. Foundation bearing capacity and slope stability
C. Soil texture
D. Soil temperature
Correct Answer: B. Bearing capacity and stability
12. Which of the following is NOT a soil strength test?
A. Unconfined compression test
B. Direct shear test
