Geology for Engineers: Essentials Quiz
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Questions and Answers

A bed refers to the fundamental unit of ______, representing a layer of rock or sediment.

stratigraphy

Strike refers to the line formed by the intersection of a horizontal plane and an ______ surface.

inclined

Dip is the angle between the horizontal plane and the ______ surface of the bed.

tilted

Bedding planes are the surfaces that separate individual layers or ______ in sedimentary rocks.

<p>strata</p> Signup and view all the answers

Beds that are thinner than 1 cm are classified as ______.

<p>laminae</p> Signup and view all the answers

A shallow dip is classified as having an inclination of 0°–______°.

<p>20</p> Signup and view all the answers

The dip is measured in degrees (0° to 90°) relative to the ______ plane.

<p>horizontal</p> Signup and view all the answers

Beds thicker than 1 cm are considered true ______.

<p>beds</p> Signup and view all the answers

The ______ of Beds and the Component and Importance of Geological Maps is one of the main topics covered.

<p>Attitude</p> Signup and view all the answers

The study of ______, faults, and joints is important in engineering construction.

<p>folds</p> Signup and view all the answers

The ______ of Joints includes their relevance in engineering contexts.

<p>Formation</p> Signup and view all the answers

Specific gravity is a part of the ______ factors influencing the physical properties of rocks.

<p>physical</p> Signup and view all the answers

Compressive strength and tensile strength are examples of ______ properties of rock.

<p>mechanical</p> Signup and view all the answers

Factors influencing ______ velocity include density, elasticity, and temperature.

<p>wave</p> Signup and view all the answers

Geological maps detail the ______ of various rock formations.

<p>components</p> Signup and view all the answers

______ and degree of saturation are significant when assessing the physical properties of rocks.

<p>Moisture content</p> Signup and view all the answers

The ______ principle states that in undisturbed sedimentary layers, older layers are at the bottom.

<p>principle of superposition</p> Signup and view all the answers

The study of ______ properties offers insights into the behavior of rocks under natural conditions.

<p>physical</p> Signup and view all the answers

A thrust fault is a type of reverse fault in which the dip is less than ______ degrees.

<p>45</p> Signup and view all the answers

A fault in which the dominant displacement is horizontal and parallel to the trend of the fault surface is known as a ______ fault.

<p>strike-slip</p> Signup and view all the answers

Movement along the San Andreas Fault is an example of a right-lateral ______ fault.

<p>strike-slip</p> Signup and view all the answers

Transform faults accommodate motion between two tectonic ______.

<p>plates</p> Signup and view all the answers

Folds that are concave down and have the oldest rocks at the hinge zone are called ______.

<p>antiforms</p> Signup and view all the answers

Folds that are concave up with the youngest rocks at the hinge are known as ______.

<p>synforms</p> Signup and view all the answers

A ______ is created when a broad upwarping of basement rock produces a circular or slightly elongated bulge.

<p>dome</p> Signup and view all the answers

The specific type of synform where the youngest rocks are at the center is known as a ______.

<p>syncline</p> Signup and view all the answers

Uniaxial Compressive Strength (UCS) is a fundamental geomechanical parameter used to assess the strength of intact rock ______.

<p>samples</p> Signup and view all the answers

UCS represents the maximum compressive stress a cylindrical rock specimen can withstand before ______.

<p>failing</p> Signup and view all the answers

The UCS test is often used in construction projects such as ______, tunnels, and slopes.

<p>foundations</p> Signup and view all the answers

Triaxial compression tests assess the shear strength of soils and rocks under controlled ______ conditions.

<p>stress</p> Signup and view all the answers

In the triaxial test, the specimen is placed in a chamber surrounded by a fluid creating a confining pressure or lateral ______.

<p>stress</p> Signup and view all the answers

An axial load is a ______ load applied to the top of the specimen in a triaxial test.

<p>vertical</p> Signup and view all the answers

The triaxial test creates a three-dimensional ______ state within the specimen.

<p>stress</p> Signup and view all the answers

Measuring the ______ strength of the material helps in understanding its resistance to sliding or deformation.

<p>shear</p> Signup and view all the answers

The ______ of a mineral can be tested by doing a scratch test.

<p>hardness</p> Signup and view all the answers

The ______ describes the color left by the rock when drawn across a hard surface.

<p>streak</p> Signup and view all the answers

The ______ of a mineral refers to the appearance of its surface.

<p>luster</p> Signup and view all the answers

The weight of a rock is referred to as its ______.

<p>density</p> Signup and view all the answers

Wave ______ is the velocity with which the wave propagates through a medium.

<p>velocity</p> Signup and view all the answers

The distance between two consecutive crests or troughs of a wave is called ______.

<p>wavelength</p> Signup and view all the answers

The ______ of a wave is the number of complete cycles that occur in a given amount of time.

<p>frequency</p> Signup and view all the answers

Longer waves, like those generated by strong storms, have ______ energy distributed over a greater distance.

<p>more</p> Signup and view all the answers

S-waves move rock particles ______ and down or side to side.

<p>up</p> Signup and view all the answers

According to Wave Theory, we have ______-waves and S-waves.

<p>P</p> Signup and view all the answers

Rock types influence the velocity of compressional waves at 600 MPa and ______°C.

<p>300</p> Signup and view all the answers

Velocities under ______ km/s are typically associated with lower-density rocks.

<p>6.0</p> Signup and view all the answers

Fine-grained, foliated metamorphic rocks derived from shale are called ______.

<p>slates</p> Signup and view all the answers

Amphibolites are dominated by ______ minerals and are formed through high-grade metamorphism.

<p>amphibole</p> Signup and view all the answers

Velocities between 6.0 and 6.5 km/s include rocks like granites and altered ______.

<p>basalts</p> Signup and view all the answers

Mafic granulites are metamorphic rocks that have a mafic composition but lack ______.

<p>garnet</p> Signup and view all the answers

Study Notes

Essentials of Geology

  • Course title: Geology for Engineers
  • Institution: University of Rizal System, Antipolo City
  • Program: Engineering Program
  • Year: 2001 (or possibly another year)

Brief Contents

  • Attitude of Beds and the Component and Importance of Geological Maps
  • The Bearing of Folds, Faults, and Joints in Engineering Construction
  • Physical and Mechanical Properties of Rocks
  • Properties of Rocks and the Factors Influencing the Wave Velocity
  • References at end of each chapter

Contents (Detailed Outline)

  • Attitude of Beds and the Component and Importance of Geological Maps
  • Bed and Dip
  • Definition of Bed and Dip
  • Dip (Inclination)
  • Classifications
  • Bedding Planes and Beds
  • Principle of Superposition
  • Strike
  • Geological Maps
  • Geological Map
  • Components of Geological Map
  • Importance of Geological Map
  • The Bearing of Folds, Faults, and Joints in Engineering Construction
  • Faults
  • Faults
  • Types of Faults
  • Types of Strike Slip Faults
  • Folds
  • Folds
  • Types of Folds
  • Domes and Basins
  • Joints
  • Joints
  • Formation of Joints
  • Types of Joints
  • Joints, Folds, and Faults
  • Relevance in Engineering
  • Physical and Mechanical Properties of Rocks
  • Physical Properties of Rocks
  • Physical Properties of Rocks
  • Specific gravity
  • Unit weight
  • Moisture Content and Degree of Saturation
  • Permeability and Electrical and Thermal Properties
  • Swelling, Anisotropy, and Durability
  • Mechanical Properties of Rock
  • Compressive Strength
  • Tensile Strength
  • Types of Tensile Strength
  • Shear Strength
  • Shear Strength Tests
  • Properties of Rocks and the Factors Influencing the Wave Velocity
  • Properties of Rocks
  • Hardness
  • Streaks
  • Luster
  • Color
  • Density
  • Wave Velocity
  • Parts of a Wave
  • Factors Influencing Wave Velocity
  • Wavelength
  • Frequency
  • Elasticity
  • Density
  • Temperature
  • Wave type
  • Rock materials
  • Depth
  • Poisson's ratio

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Essentials Of Geology PDF

Description

Test your knowledge on essential geological concepts relevant to engineering. This quiz covers important topics such as geological maps, the bearing of folds, faults, joints, and the properties of rocks. Ensure you're well-prepared to apply these principles in engineering construction.

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