- Study guides, Class notes & Summaries

Soil - correct answer Uncemented aggregate of mineral grains and decayed organic matter with liquid and gas in the empty spaces between the solid particles. Soil Mechanics - correct answer Branch of science that studies the physical properties of soil and the behavior of soil masses Geotechnical Engineering - correct answer Subdiscipline of civil engineering that involves natural materials (soil and rock) f...

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6 pages

Written in 2024/2025

Grade A+

RealGrades

Geotechnical Engineer - correct answer civil engineer specializing in natural materials Rock - correct answer large mass of cemented mineral matter Soil - correct answer uncemented aggregate of minerals and organic matter with liquid and gas in voids Soil Mechanics - correct answer study of physical properties of soil and their behavior subjected to...

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6 pages

Written in 2024/2025

Grade A+

RealGrades

Master the Soil Engineering Certification Exam with this complete study guide. Covers soil classification, compaction, permeability, shear strength, and exam objectives. Ideal for test banks, quizzes, and exam prep. This 2025 update helps you understand key concepts to score 100% on your soil engineering certification exam.

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5 pages

Written in 2025/2026

Grade A+

ThePlug

Master soil engineering certification with this comprehensive geotechnical exam prep guide covering soil classification, compaction, permeability, shear strength, and consolidation testing. Perfect for engineers and technicians preparing for NICET, NCEES, or state-specific soil certification exams. Build confidence in lab procedures and field testing methods. Score 100% on your soil engineering certification test.

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5 pages

Written in 2025/2026

Grade A+

davischemei

What is the generally accepted differentiation between rock and soil? - correct answer Soil can be removed without blasting Limestone and granite are following types of rock: - correct answer Sedimentary and igneous respectively. Which statement is false? - correct answer The minerals present in soil formed due to chemical weathering of rock are same as parent rock. Which of the foll...

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22 pages

Written in 2024/2025

Grade A+

RealGrades

well-graded, clean gravels; gravel-sand mixes - correct answer GW Poorly graded clean gravels; gravel-sand mixes - correct answer GP silty gravels; poorly graded gravel-sand mixes - correct answer GM Clayey gravels; poorly graded gravel-and-clay mixes - correct answer GC well graded clean sands; gravel-sand mixes - correct answer ...

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22 pages

Written in 2024/2025

Grade A+

RealGrades

Ped - correct answer Fundamental nature unit of soil Pedology - correct answer The science of how soils form, their morphology (appearance), and their classification Soil Pedon - correct answer A three dimensional unit of soil Soil Horizon - correct answer Layers of soil Soil Profile - correct answer A vertical ...

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5 pages

Written in 2024/2025

Grade A+

RealGrades

Void Ratio, e - correct answer or Vv/Vs Porosity, n - correct answer or Vv/Vt Saturation, S - correct answer or Vw/Vv Dry unit weight (Ɣd) - correct answer Wet unit weight (Ɣw) - correct answer Specific Gravity (Gs) - correct answer dry density (ρd) - correct answer...

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12 pages

Written in 2024/2025

Grade A+

RealGrades

which of the following types of soil has the smallest pore space between individual particles? a. silt b. clay c. loam d. sand - correct answer b. clay the porosity of soil is a measure of a. its cation exchange capacity b. how deep its topsoil layer is c. how much biological material it contains d. how quickly it drains e. none of these answes are correct - correct answer e. none of these answers are correc...

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7 pages

Written in 2024/2025

Grade A+

RealGrades

Soil - correct answer Is defined as the uncemented aggregate of mineral grains and decayed organic matter(solid particles) w/ liquid and gas at the empty spaces between the solid particles. Soil - correct answer Is used as construcion material in various civil engineering projects, and supports structural foundations Soil mechanics - correct answer Is the branch of science that deals wi...

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9 pages

Written in 2024/2025

Grade A+

RealGrades

Who is the "father" of soil mechanics? - correct answer Karl Terzaghi What was Karl Terzaghi's principle? - correct answer effective stress What are the three types of weathering? - correct answer biological, physical, chemical What are some factors that influence weathering? - correct answer mineral composition, joints, slope, climate, veg...

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5 pages

Written in 2024/2025

Grade A+

RealGrades

The density of soil particles and the density of soil mass mean the same thing. (T/F)? - correct answer False What does specific gravity mean? (A) The ratio between the unit weight (or density) of a material and the unit weight (or density) of water at 4 degrees Celsius. (B) The ratio between the unit weight (or density) of water at 4 degrees Celsius and the unit weight (or density) of a material. (C) None of the above (D) All of the above - correct ...

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9 pages

Written in 2024/2025

Grade A+

RealGrades

karl terzaghi - correct answer father of modern soil mechanics argued for a more scientific approach to geotech arthur casagrande - correct answer studied under terzaghi contributed to the understanding of soft clays, soil classification, seepage, earth dams ralph peck - correct answer lab assistant to casagrande advocated for engineering judgement and developed observational method ...

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9 pages

Written in 2024/2025

Grade A+

RealGrades

Who is the inventor of soil mechanics? - correct answer Karl Terzaghi (cerca 1920/1930) Name 4 reasons soil is a unique engineering material - correct answer 1. Highly variable (even on a small scale) 2. Non-linear stress-strain distribution 3. Non-conservative (some soils remember their history) 4. Anisotropic (properties are different in different directions) Soil comes from weathered rock. What are the two types of...

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11 pages

Written in 2024/2025

Grade A+

RealGrades

Water content, w - correct answer Ww/Ws (0 to 200%) Degree of Saturation, S - correct answer Vw/Vv (0 to 100%) Unit Weight, gamma - correct answer W/V (62.4 pcf or 9.81 kN/m3 for water) Mass Density, rho - correct answer M/V = gamma/gravity (1000 kg/m3 for water) Total (wet) Unit Weight - correct answer Wt/Vt = ...

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7 pages

Written in 2024/2025

Grade A+

RealGrades

T/F Soil particles are the result of weathering of rocks and organic decomposition. - correct answer T Which of the following rocks are formed from volcanic eruption? Metamorphic Igneous Sedimentary - correct answer Igneous rocks Which of the following rocks composing the most majority of rocks found on earth's surface? Igneous Sedimentary Metamorphic - correct answer sedime...

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30 pages

Written in 2024/2025

Grade A+

RealGrades

Soil Mechanics - correct answer Study of physical properties of soil and it's behavior under applied forces. It also deals with flow of water through soil and it's a combination of solid mechanics and fluid mechanics. Igneous Rocks - correct answer Formed from magma cooling Sedimentary Rocks - correct answer formed by the deposition of material at the Earth's surface and within...

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8 pages

Written in 2024/2025

Grade A+

RealGrades

Charles Coulomb - correct answer used the principles of calculus to determine the true position of the sliding surface in soil behind a retaining wall using the laws of friction and cohesion for solid bodies Henri Darcy - correct answer studied the permeability of sand filters and defined the term coefficient of permeability of soil Sir George Darwin - correct answer conducted lab tests...

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46 pages

Written in 2024/2025

Grade A+

RealGrades

Soil Mechanics - correct answer Application of static, mechanics of materials, and fluid mechanics to describe the behavior of soils Soil - correct answer Weathering rocks and minerals What are the differences between sand and clay? (size, shape, strength comes from __?) - correct answer Sand: larger/coarse grained, rounder, strength from frictional forces between particles Clay: small...

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7 pages

Written in 2024/2025

Grade A+

RealGrades

compaction and consolidation - correct answer Extrudes the water Compaction effects - correct answer Increase soil shear strength, decrease future settlement, decrease permeability By using the dry unit weight of soil - correct answer Calculate compaction Water for compaction - correct answer Acts as a Lubricant. Too much of it means lesser density....

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4 pages

Written in 2024/2025

Grade A+

RealGrades

What kind of engineering properties of the soils do you (i.e. a general contractor) need to have in order to design construction temporary work such as shoring for an excavation? (A) Shear strength (B) Permeability (C) Compressibility or characteristics of volume changes (D) Compactability (E) All of the above (F) None of the above - correct answer A What kind of engineering properties of the soils do you (i.e. a general contractor) need to have in o...

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12 pages

Written in 2024/2025

Grade A+

RealGrades