51 terms

Soil Mechanics

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C
The Soil Report discusses the Penetration Resistance "N" Blow Count Summation
procedure, What is the correct summation procedure?
A. Add Blow Counts 1 and 2.
B. Add Blow Counts 1 and 3.
C. Add Blow Counts 2 and 3.
D. Add Blow Counts 1, 2, and 3.
D
What type of hammer and fall distance was utilized for sampling the soil borings?
A. a 5-pound hammer falling 12-inches.
B. a 10-pound hammer falling 18-inches.
C. a 100-pound hammer falling 18-inches.
D. a 140-pound hammer falling 30-inches.
C
Which party is responsible for comparing the soil borings to the standard Relative
Density and Consistency Table provided in the Soil Report?
A. Owner.
B. Vendor.
C. Contractor.
D. Architect/Engineer.
C
What does the abbreviation bpf mean?
A. Bulk per foot.
B. Bank per foot.
C. Blows per foot.
D. Borings per foot.
C
What does the abbreviation SPT mean?
A. Stiff Penetration Test.
B. Standard Proctor Test.
C. Standard Penetration Test.
D. Society for Proctor Testing.
D
Which organization established the penetration test boring procedures?
A. Testing Services.
B. Standard Penetration Testing.
C. Society for Proctor Testing.
D. American Society for Testing and Materials.
B
What is the Ground Elevation for Soil Boring #5?
A. 682.3'
B. 683.3'
C. 697.8'
D. 807.0'
B
At what depth did they hit water during drilling for Soil Boring #5?
A. 0.0 Feet.
B. 1.0 Foot.
C. 2.5 Feet
D. 15.0 Feet
C
Using Soil Boring #5, What is the Penetration Resistance "N" at 4 Feet in bpf?
A. 3
B. 6
C. 7
D. 10
A
Using Soil Boring #5, is there any unsuitable soil?
A. Organic Topsoil.
B. Rock and Boulders.
C. Very Stiff Clay and Gravel.
D. Loose to Very Loose Brown Fine to Course Sand.
C
Using Soil Boring #5. What is the depth of the unsuitable soil in feet?
A. 0.00'
B. 1.00'
C. 2.50'
D. 3.08'
D
What is the Soil Classification for Boring #5 shown at 6 feet?
A. Organic Topsoil.
B. Rock and Boulders.
C. Very Stiff Clay and Gravel.
D. Loose to Very Loose Brown Fine to Course Sand.
B
Using the Relative Density and Consistency Table, Soil Boring #5 and assume the
Penetration Resistance "N" is 7. What is the material description from the table?
A. Soft.
B. Loose.
C. Medium Stiff.
D. Medium Dense.
D
At what depth was Boring #5 drilling operation stopped?
A. 0.0 Feet.
B. 1.0 Foot.
C. 2.5 Feet
D. 15.0 Feet
B
Assume the Penetration Resistance "N" is 29 for a clay, from the Relative Density and
Consistency table what is the material description?
A. Dense.
B. Very Stiff.
C. Medium Stiff.
D. Medium Dense.
D
Using the Relative Density and Consistency table, If the soil boring indicated a Sand what
term are you looking for at the top of the Table?
A. Consistency.
B. Medium Stiff.
C. Medium Dense.
D. Relative Density.
C
Which of the following soils is considered cohesionless?
A. Silt.
B. Clay
C. Gravel.
D. Topsoil.
A
Which of the following soils is considered cohesive?
A. Clay
B. Sand.
C. Gravel.
D. Topsoil.
B
Which of the following tests is performed on cohesionless soil to determine the
distribution of grain size?
A. Vane Test.
B. Sieve Analysis.
C. Atterberg Limits.
D. Penetration Test.
C
Which of the following techniques is used to determine the liquid, plastic, semisolid, and
solid states of consistency for a cohesive soil?
A. Vane Test.
B. Sieve Analysis.
C. Atterberg Limits.
D. Penetration Test.
C
Which of the following terms refers to the ability of water to flow through a soil by
traveling through the void spaces?
A. Capillarity.
B. Frost heave.
C. Permeability.
D. Ground Water Table.
D
What are the most commonly used soil classification systems based on grain size?
A. Atterberg Limits and Permeability.
B. The U.S. Department of Agriculture (USDA) Textural Classification Scheme and
the National Bureau of Standards Report BSS-121.
C. The Construction Specification Institute's Master Format and the U.S.
Governments Master Work Breakdown Structure (WBS).
D. Unified Soil Classification System (USCS) and the American Association of State
Highway and Transportation Officials (AASHTO).
A
What is the earth material drawn from an excavation called?
A. Spoil.
B. Saturated Soil.
C. Submerged Soil.
D. Cohesionless Soil.
A
What type of soil is the most dangerous because the excavated faces appear to be solid
and stable, but they are drastically affected by water, wind, and pressure?
A. Clay.
B. Sand.
C. Gravel.
D. Stable Rock.
C
According to OSHA, what is the minimum ratio for a layered soil system?
A. 1H:1V
B. 3H:1V
C. 4H:1V
D. 1H:4V.
D
A small amount of material suddenly separates from the face of an excavation and
trickles or rolls down into the excavation. What is the visual inspection term called?
A. Spalling.
B. Heaving.
C. Toppling.
D. Raveling.
D
The layers on the face of the excavation slope at a ratio of four horizontal to one vertical
(4H:1V) or greater. What is the visual inspection term called?
A. Sliding.
B. Toppling.
C. Undercutting.
D. Sloped system.
A
There is upward water flow into the bottom of the excavation. What is the visual
inspection term called?
A. Boiling.
B. Sloughing.
C. Submerged.
D. Surcharge Load.
D
The soil has sunk on the horizontal surface. What is the visual inspection term called?
A. Boiling.
B. Bulging.
C. Heaving.
D. Subsidence.
B
The soil is protruding from the face of the open excavation into the excavation. What is
the visual inspection term called?
A. Boiling.
B. Bulging.
C. Heaving.
D. Subsidence.
C
the soil is protruding up from the bottom of the excavation. What is the visual inspection
term called?
A. Boiling.
B. Bulging.
C. Heaving.
D. Subsidence.
A
the soil has open cracks on the horizontal ground or on the open face of the excavation.
What is the visual inspection term called?
A. Fissure.
B. Bulging.
C. Sloughing.
D. Subsidence.
D
What is the term for an excessive vertical load caused by the spoil pile or construction
equipment being too close to the trench edge?
A. Impact load.
B. Undercutting.
C. Underpinning.
D. Surcharge load.
D
What do the field thumb penetration, pocket penetrometer and the shearvane measure?
A. Shear Stress.
B. Impact Load.
C. Surcharge Load.
D. Unconfined Compressive Strength.
B
Which field manual test is used to differentiate between cohesive material with fissures,
unfissured cohesive material, and granular material?
A. Pat Test.
B. Drying Test.
C. Plasticity Test.
D. Dry Strength Test.
C
Which field manual test checks for a cohesive soil?
A. Pat Test.
B. Drying Test.
C. Plasticity Test.
D. Thumb Penetration Test.
A
Which field manual test is used to determine the presence of a cohesive clay or silt?
A. Pat Test.
B. Drying Test.
C. Plasticity Test.
D. Thumb Penetration Test.
B
What is another name for a soil that contains equal parts of sand, silt and clay?
A. Spoil.
B. Loam.
C. Moist Soil.
D. Common Earth.
D
Which of the following soil has no cohesive strength?
A. Clay.
B. Moist Soil.
C. Layered Soil.
D. Granular Soil.
A
What is the soil state called if it is in its natural, or in place or in situ or undisturbed state?
A. Bank.
B. Loose
C. Solid.
D. Compacted.
B
What is the soil state called when the soil is excavated?
A. Bank.
B. Loose
C. Solid.
D. Compacted.
B
Using the Average Soil Weights Table, What is the swell percentage using a Loam?
A. 08.3%
B. 23.8%
C. 31.9%
D. 81.0%
B
Using the Average Soil Weights Table, What is the shrinkage percentage for a Damp
Sand under the Modified Proctor method, What is the shrinkage percentage? .
A. 10.8
B. 12.1
C. 13.4
D. 85.0
B
Which of the following is the primary factor that will determine if 97% density using the
Modified Proctor Test will be achieved in a predetermined number of passes?
A. Soil Type.
B. Moisture Content.
C. Swell Percentage.
D. Shrinkage Percentage.
B
Which of the following procedures describes the Modified Proctor Test?
A. It uses a 5-pound hammer dropped from a height of 12 inches.
B. It uses a 10-pound hammer dropped from a height of 18 inches.
C. It uses a 13,000 pound hammer dropped from a height of 20 feet.
D. It uses a 140-pound hammer dropped from a height of 30 inches.
A
Which of the following procedures describes the Standard Proctor Test?
A. It uses a 5-pound hammer dropped from a height of 12 inches.
B. It uses a 10-pound hammer dropped from a height of 18 inches.
C. It uses a 13,000 pound hammer dropped from a height of 20 feet.
D. It uses a 140-pound hammer dropped from a height of 30 inches.
A
What is the normal lift range in inches stated in the documents for attaining the specified
density percentage when compacting structural fill?
A. 6 - 12.
B. 13 - 24.
C. 25 - 48.
D. 49 - 60.
C
Which document specifies the Proctor Test and the percentage range and the Optimum
Moisture Content?
A. Bid Documents.
B. General Requirements.
C. Technical Specifications.
D. Supplementary Conditions.
D
Which test is specified for fill material designated for use under areas where high design
loads are anticipated such as airport run ways and paved areas?
A. Shearvane.
B. Penetrometer
C. Standard Proctor.
D. Modified Proctor.
B
The Soil Tables and formulas contain the abbreviation BCY, What does BCY mean?
A. Bulk Cubic Yards.
B. Bank Cubic Yards.
C. Basic Cubic Yards.
D. Borrow Cubic Yards.
C
Which test instrument measures the unconfined compressive strength of soil?
A. Standard Proctor.
B. Modified Proctor.
C. Pocket Penetrometer.
D. Standard Penetration.
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