Question 1

Which of the following definitions best describes specific gravity (Gs) of a soil sample?

Accepted Answer

A) The ratio of unit weight of a given soil to the unit weight of water 
B) Gravitational force caused by the soil mass within a unit volume of soil 
C) The ratio of the mass of a soil to the volume of the soil 
D) None of the above 
A) The ratio of unit weight of a given soil to the unit weight of water 
B) Gravitational force caused by the soil mass within a unit volume of soil 
C) The ratio of the mass of a soil to the volume of the soil 
D) None of the above A

Question 2

What is the unit weight of a soil sample weighing 1.5 grams with a volume of 0.6 cubic centimeters (cm3)?

Accepted Answer

A) 0.9 g/cm3 
B) 2.5 g/cm3 
C) 7.5 g/cm3 
D) Not enough information provided 
A) 0.9 g/cm3 
B) 2.5 g/cm3 
C) 7.5 g/cm3 
D) Not enough information provided B

Question 3

What is the void ratio of a 200 gram soil sample with an 80% degree of saturation and a moisture content of 20.5%? Assume the specific gravity of soil grains is 2.6.

Accepted Answer

A) 33% 
B) 67% 
C) 80% 
D) Not enough information provided 
A) 33% 
B) 67% 
C) 80% 
D) Not enough information provided C

Question 4

What is the dry unit weight of a 500 cubic meter (cm3) soil sample with a water weight of 100 grams (g) and a solids weight of 900 g? Assume the specific gravity of the sample is 2.65.

Accepted Answer

A) 1.8 g/cm3 
B) 1.6 g/cm3 
C) 9 g/cm3 
D) Not enough information provided 
A) 1.8 g/cm3 
B) 1.6 g/cm3 
C) 9 g/cm3 
D) Not enough information provided

Question 5

What is the bulk density of a 1.5-liter dry soil sample with a mass of 4.2 kg?

Accepted Answer

A) 2.8 kg/m3 
B) 28 kg/m3 
C) 2,800 kg/m3 
D) Not enough information provided 
A) 2.8 kg/m3 
B) 28 kg/m3 
C) 2,800 kg/m3 
D) Not enough information provided

Question 6

Soil pores are classified into three main groups based on the diameter of individual pores. Which of the following pore diameter grouping is associated with mesopores?

Accepted Answer

A) ? 0.1 mm 
B) 0.03 mm - 0.1 mm 
C) < 0.03 mm 
D) None of the above 
A) ? 0.1 mm 
B) 0.03 mm - 0.1 mm 
C) < 0.03 mm 
D) None of the above

Question 7

What is the degree of saturation of a 600 cubic centimeter (cm3) soil sample given the following values from its three-phase diagram?
Volume of air: 100 cm3
Volume of solids: 320 cm3

Accepted Answer

A) 30% 
B) 64.3% 
C) 87.5% 
D) Not enough information provided 
A) 30% 
B) 64.3% 
C) 87.5% 
D) Not enough information provided

Question 8

What is the void ratio of a soil with a porosity of 40%?

Accepted Answer

A) 40% 
B) 60% 
C) 67% 
D) Not enough information provided 
A) 40% 
B) 60% 
C) 67% 
D) Not enough information provided

Question 9

What is the moisture content of a 1,000 gram (g) soil sample given the following value from its three-phase diagram?
Weight of solids: 890 g

Accepted Answer

A) 11.0% 
B) 12.4% 
C) 89.0% 
D) Not enough information provided 
A) 11.0% 
B) 12.4% 
C) 89.0% 
D) Not enough information provided

Question 10

Which of the following soil characteristics is an important consideration in highway pavement design?

Accepted Answer

A) Uniformity 
B) Resilience 
C) Stability 
D) A. and C. 
A) Uniformity 
B) Resilience 
C) Stability 
D) A. and C.

Which of the following definitions best describes specific gravity (Gs) of a soil sample?

What is the unit weight of a soil sample weighing 1.5 grams with a volume of 0.6 cubic centimeters (cm³)?

What is the void ratio of a 200 gram soil sample with an 80% degree of saturation and a moisture content of 20.5%? Assume the specific gravity of soil grains is 2.6.

What is the dry unit weight of a 500 cubic meter (cm³) soil sample with a water weight of 100 grams (g) and a solids weight of 900 g? Assume the specific gravity of the sample is 2.65.

What is the bulk density of a 1.5-liter dry soil sample with a mass of 4.2 kg?

Soil pores are classified into three main groups based on the diameter of individual pores. Which of the following pore diameter grouping is associated with mesopores?

What is the degree of saturation of a 600 cubic centimeter (cm³) soil sample given the following values from its three-phase diagram? Volume of air: 100 cm³ Volume of solids: 320 cm³

What is the void ratio of a soil with a porosity of 40%?

What is the moisture content of a 1,000 gram (g) soil sample given the following value from its three-phase diagram? Weight of solids: 890 g

Which of the following soil characteristics is an important consideration in highway pavement design?

Earth Retention

Earth Structures

Earthworks

Estimation

Foundations

Hydraulics Closed

Hydraulics Open

Hydrology

Material Mechanics

Material QC

Member Design

Scheduling

Soil Mechanics

Struct Loading

Struct Materials

Struct Analysis

Subsurface

Transportation

Waste Water

Water Treatment

Filters

Exam 13: Soil and Materials

Which of the following definitions best describes specific gravity (Gs) of a soil sample?

What is the unit weight of a soil sample weighing 1.5 grams with a volume of 0.6 cubic centimeters (cm3)?

What is the void ratio of a 200 gram soil sample with an 80% degree of saturation and a moisture content of 20.5%? Assume the specific gravity of soil grains is 2.6.

What is the dry unit weight of a 500 cubic meter (cm3) soil sample with a water weight of 100 grams (g) and a solids weight of 900 g? Assume the specific gravity of the sample is 2.65.

What is the bulk density of a 1.5-liter dry soil sample with a mass of 4.2 kg?

Soil pores are classified into three main groups based on the diameter of individual pores. Which of the following pore diameter grouping is associated with mesopores?

What is the degree of saturation of a 600 cubic centimeter (cm3) soil sample given the following values from its three-phase diagram? Volume of air: 100 cm3 Volume of solids: 320 cm3

What is the void ratio of a soil with a porosity of 40%?

What is the moisture content of a 1,000 gram (g) soil sample given the following value from its three-phase diagram? Weight of solids: 890 g

Which of the following soil characteristics is an important consideration in highway pavement design?

Earth Retention

Earth Structures

Earthworks

Estimation

Foundations

Hydraulics Closed

Hydraulics Open

Hydrology

Material Mechanics

Material QC

Member Design

Scheduling

Soil Mechanics

Struct Loading

Struct Materials

Struct Analysis

Subsurface

Transportation

Waste Water

Water Treatment

Filters

What is the unit weight of a soil sample weighing 1.5 grams with a volume of 0.6 cubic centimeters (cm³)?

What is the dry unit weight of a 500 cubic meter (cm³) soil sample with a water weight of 100 grams (g) and a solids weight of 900 g? Assume the specific gravity of the sample is 2.65.

What is the degree of saturation of a 600 cubic centimeter (cm³) soil sample given the following values from its three-phase diagram? Volume of air: 100 cm³ Volume of solids: 320 cm³