WorksheetsSoil and Rock Mechanics Quiz
Total questions: 20
Worksheet time: 10mins
Mineral aggregates exist naturally and are called …………..
Magma
Soil
Rocks
Clay
Mineral aggregates are categorised into three main types based on ………………….
Their appearance
Their formation
Their colour
Their hardness
The mineral grains that form the solid phase of a soil aggregate are the product of …….
weathering
erosion
layering
all of the above
According to the American Association of State Highway and Transportation Officials (AASHTO), the grain size of sand ranges between…………………
2 to 0.05
2 to 0.06
4.75 to 0.075
2 to 0.075
According to the U.S. Department of Agriculture (USDA), the grain size of gravel ranges between…………………
76.2 to 2
76.2 to 4.75
Greater than 2
Less than 2
The Massachusetts Institute of Technology classifies the grain size of silts to range between ………
0.05 to 0.002
0.06 to 0.002
0.075 to 0.002
Fines less than 0.075
The Unified Soil Classification System considers the grain size of sand to range between ………….
4.75 to 0.075
2 to 0.075
2 to 0.05
2 to 0.06
The phase relationship of soil refers to the …
Proportions of the different layers of the soil
Proportions of the different types of soil samples
Proportions of the different phases present in a soil sample.
Proportions of the different ratios in the soil sample
These phases typically include…………
solid particles, water, and air.
Clay, silt and sand
Voids, water, and air
Topsoil, subsoil and bedrock
The phase relationships are often represented in terms of …………..,,,
Size or depth
Volume or weight
Mass or area
All of the above
The volume relationships commonly used for the three phases in a soil element are …………
Specific gravity, porosity and void ratio
Density, degree of saturation and porosity
Void ratio, porosity and degree of saturation
Void ratio, moisture content and porosity
…………… is defined as the ratio of volume of voids to total volume.
Porosity
Void ratio
Degree of saturation
Moisture content
……………….. is defined as the ratio of the volume of water to the volume of voids
Porosity
Void ratio
Degree of saturation
Moisture content
………………... is defined as the ratio of the volume of voids to the volume of solids.
Porosity
Void ratio
Degree of saturation
Moisture content
………………… is defined as the ratio of the weight of water to the weight of solids
Porosity
Void ratio
Specific gravity
Moisture content
Most values of specific gravity of some common minerals found in the soil fall within a range of ………………
2.7 to 3.0
2.3 to 2.5
2.6 to 2.9
2.4 to 2.7
………………… is defined as the ratio of the unit weight of a given material to the unit weight of water
Bulk density
Degree of saturation
Specific gravity
Moisture content
Specific gravity cannot be determined accurately in the laboratory.
True
False
The common terms used for weight relationships are degree of saturation and unit weight
True
False
Understanding the phase relationships is crucial for analysing the behaviour of soils under various loading and environmental conditions.
True
False
