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HGE Flashcards

1
Q

The elastic tendency of liquids which makes them acquire the least surface area possible. It
is responsible, for example when an object or insect such as mosquitoes that is denser than water is able to float or run along the water surface.
A. Surface Tension
B. Modulus of Elasticity
C. Capillarity rise
D. Viscosity

A

A. Surface Tension

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2
Q

Which component of rock or soil is independent of inter-particle friction
A. Adhesion
B. Plasticity
C. Cohesion
D. Skin friction

A

C. Cohesion

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3
Q

Which of the following is not a soil components?
A. Minerals
B. Gas
C. Organic materials
D. All of the above

A

B. Gas

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4
Q

A cohesive soil deposit is considered soft if the unconfined compression strength in kPa is
between”
A. 0 to 24
B. 24 to 48
C. 48 to 96
D. 96 to 192

A

A. 0 to 24

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5
Q

According to USCS, what do you call soil grain with grain size greater than 4.75 mm but less
than 75 mm?
A. Gravel
B. Boulder
C. Cobble
D. Rock

A

A. Gravel

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6
Q

Which of the following does not affect the settlement of a footing.
A. Depth of backfill
B. Location of GWT
C. Plasticity of the soil
D. None of the above

A

D. None of the above

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7
Q

A pile of sand keeps from spreading out like a liquid because the weight of the sand keeps the grains stuck together in their current arrangement, mostly out of static friction. This
weight and pressure is called?
A. Adhesion
B. Cohesion
C. Effective stress
D. Internal friction

A

C. Effective stress

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8
Q

A phenomenon in which the strength and stiffness of a soil reduced by earthquake shaking or other rapid loading.
A. Liquefaction
B. Settlement
C. Erosion
D. Solidification

A

A. Liquefaction

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9
Q

A flow in which the velocity of the fluid at a particular fixed point does not change with
time.
A. Steady flow
B. Continuous flow
C. Laminar flow
D. Turbulent flow

A

A. Steady flow

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10
Q

A practice or procedure used to access the particle size distribution of a granular materials. The size distribution is often of critical importance to the way the material performs in use.
A. Consolidation test
B. Standard penetration test
C. Liquid limit test
D. Sieve analysis

A

D. Sieve analysis

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11
Q

The pressure exerted onto is transmitted equally and undiminished to all portions of the liquid. The principle in liquid mechanics is
known as :
A. Archimedes
B. Bernoulli
C. Pascal’s
D. Boyles

A

C. Pascal’s

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12
Q

In any stream flowing steadily without friction the total energy contained is the same at every
point in its path of flow. This principle is attribute to:
A. Boyles
B. Archimedes
C. Pascal’s
D. Bernoulli

A

D. Bernoulli

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13
Q

The ratio of the volume of voids to the total volume of solids.
A. Porosity
B. Void ratio
C. Degree of Saturation
D. Water content

A

A. Porosity

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14
Q

The ratio of the volume of water to the volume of voids.
A. Porosity
B. Degree of saturation
C. Water content
D. Void ratio

A

B. Degree of saturation

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15
Q

Which of the following is NOT a characteristic of cohesion soil.
A. Easy to compact
B. High shear strength
C. Prone to settlement due to vibrating load
D. Practically impermeable

A

D. Practically impermeable

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16
Q

In standard penetration test, medium dense sand have number of blows of?
A. 4 to 10
B. 10 to 30
C. 30 to 50
D. Over 50

A

B. 10 to 30

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17
Q

If the ground water table in a soil formation rises as a result of flooding, the bearing
capacity of the soil will
A. Decrease
B. Depends on the flooding
C. Increase
D. Unaffected

A

A. Decrease

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18
Q

One of the following foundation condition does not affect the bearing capacity of the supporting soil.
A. Unit weight of the soil
B. Depth of foundation of footing
C. Load impose onto the soil
D. Position of ground water table

A

C. Load impose onto the soil

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19
Q

The volume of liquid passing through a cross section of a stream.
A. Discharge
B. Permeability
C. Flow
D. Capillary

A

A. Discharge

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20
Q

A ship is floating in a seawater and it is stable, if the metacentric height is ____
A. Above the center of gravity
B. Below the center of gravity
C. The draft of the ship causes a buoyant force equal to the weight of the ship and its cargo.
D. Coincides with the center of gravity.

A

A. Above the center of gravity

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21
Q

In laboratory test of determining tile maximum dry density of a soil, if the compaction pressure is increased, the maximum dry density will:
A. Remain the same
B. Become zero
C. Increase
D. Decrease

A

A. Remain the same

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22
Q

When water table rises, what is its effect on effective stress?
A. Increase
B. Decrease
C. Remain the same
D. None of these

A

B. Decrease

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23
Q

A line joining the points of highest elevation of water in a series of vertical open pipes rising from a pipeline in which water flows under pressure is referred to as:
A. Hydraulic loss
B. Hydraulic jump
C. Hydraulic head
D. Hydraulic gradient

A

D. Hydraulic gradient

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24
Q

A pressure surge or wave caused when a fluid in motion is forced to stop or change
direction suddenly is referred to in hydraulic as:
A. Hydrodynamics
B. Hydraulic Jump
C. Water hammer
D. Hydraulics

A

C. Water hammer

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25
Q
  1. Section 302.2.2 of the National Structural code of the Philippines provides that the
    slope of cut surfaces shall no steeper than is safe for intended use and shall be no steeper than_____
    A. 1 to 1
    B. 1 to 2
    C. 1 to 3
    D. 1 to 1.5
A

B. 1 to 2

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26
Q

The ratio between the volume of voids and the volume of the soil mass:
A. Void ratio
B. Porosity
C. Degree of saturation
D. Moisture content

A

B. Porosity

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27
Q

What is the unit weight of dry air at standard temperature and pressure?
A. 10. 6 N/m^3
B. 9.81 N/m^3
C. 11.3 N/m^3
D. 12.5 N/m^3

A

D. 12.5 N/m^3

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28
Q

Approximately how many times is t pressure of mercury greater than the pressure exerted
by water?
A. 12.4
B. 13.6
C. 9.81
D. 32.2

A

B. 13.6

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29
Q

A branch of hydraulics which deals with the study of forces (including velocity and
acceleration) exerted by or upon liquids in motion.
A. Hydrodynamics
B. Hydraulics
C. Hydrostatics
D. Mechanics

A

A. Hydrodynamics

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30
Q
  1. The most used property in soil properties.
    A. Moisture content
    B. Water
    C. Void ratio
    D. Sand
A

C. Void ratio

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31
Q

A device used to determine the undrained shear strength of the soil which consist of four equal-sized thin steel plates welded to a steel torque rod. The vane is pushed into the soil and a torque T is applied at the top of the torque road to rotate the vane at a uniform speed to cause failure.
A. Shear vane
B. Proctor test
C. Shear manual apparatus
D. Casa-Grande

A

A. Shear vane

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32
Q

An abrupt rise in water surface which results from retarding water flowing at lower stage.
A. Hydraulic rise
B. Hydraulic pump
C. Hydraulic jump
D. Hydraulics

A

C. Hydraulic jump

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33
Q

It is the distribution in the particle size of the soil.
A. Separation
B. Erosion
C. Gradation
D. Compaction

A

C. Gradation

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34
Q

It is defined as the ratio between the square of
the grain diameter (in millimeter) corresponding to 30 percent passing on the curve (D30) divided by the product of the grain diameter of the 60 percent (D60) passing and the grain diameter of the 10 percent (D10) passing.
A. Coefficient of Uniformity
B. Coefficient of Gradation
C. Coefficient of Fineness
D. Effective Coefficient

A

B. Coefficient of Gradation

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35
Q

Is also known as total, wet or moist unit weight. It is the total weight divided by the total volume
A. Saturated unit weight
B. Bulk unit weight
C. Submerged unit weight
D. Effective unit weight

A

B. Bulk unit weight

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36
Q

Is the ratio of the difference between the void ratios of a cohesion less soil in its loosest state and existing natural state to the difference between its void ratio in the loosest and
densest states.
A. Relative density
B. Density index
C. a and b
D. none of these

A

C. a and b

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37
Q

Provides a means of describing the degree and kind of cohesion and adhesion between the soil particles as related to the resistance of the
soil to deform or rupture.
A. Soil Consistence
B. Soil Firmness
C. Soil Stability
D. Soil index

A

A. Soil Consistence

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38
Q

Is the attraction of one water molecule to another resulting from hydrogen bonding
(water-water bond).
A. cohesion
B. adhesion
C. stickiness
D. plasticity

A

A. cohesion

39
Q

The capacity of soil to adhere to other objects. It is estimated at moisture content that displays maximum adherence between thumb and forefinger.
A. cohesion
B. adhesion
C. stickiness
D. plasticity

A

C. stickiness

40
Q

Is defined as the moisture content at which soil begins to behave as a plastic material. It is also defined as the moisture content at which the soil crumbles when rolled into a thread of 3.18 mm in diameter.
A. Atterberg’s Limits
B. Liquid limit
C. Plastic limit
D. Shrinkage Limit

A

C. Plastic limit

41
Q

Is defined as the moisture content at which no further volume change occurs with further reduction in moisture content.
A. Atterberg’s Limits
B. Liquid limit
C. Plastic limit
D. Shrinkage Limit

A

D. Shrinkage Limit

42
Q

Is the difference between the liquid limit and plastic limit of a soil?
A. Liquidity Index
B. Plasticity Index
C. Consistency Index
D. Shrinkage Index

A

B. Plasticity Index

43
Q

Was originally proposed by the Highway Research Board’s Committee on Classification
of Materials for Subgrades and Granular Type Road. According to the present form of the
system, soil can be classified according to eight major groups, A-1 through A-8, based on the grain size distribution, liquid limit and
plasticity indices.
A. AASHTO System
B. USCS System
C. USDA System
D. MIT System

A

A. AASHTO System

44
Q

Is a soil classification system used in engineering and geology to describe the
texture and grain size of a soil. The classification system can be applied to most unconsolidated materials, and is represented
by a two-letter symbol.
A. AASHTO System
B. USCS System
C. USDA System
D. MIT System

A

B. USCS System

45
Q

It is also called as Textural classification system
A. AASHTO System
B. USCS System
C. USDA System
D. MIT System

A

C. USDA System

46
Q

Is the densification of soil by removal of air, which requires mechanical energy?
A. Cohesion
B. Compression
C. Consolidation
D. Compaction

A

D. Compaction

47
Q

The moisture content at which the maximum dry unit weight of soil is attained.
A. maximum moisture content
B. optimum moisture content
C. minimum moisture content
D. average moisture content

A

B. optimum moisture content

48
Q

It is a technique for in situ densification of thick layers of loose granular soil deposits.
A. sand cone method
B. nuclear method
C. rubber balloon method
D. Vibroflotation

A

D. Vibroflotation

49
Q

It is also called coefficient of permeability.
A. hydraulic seepage
B. hydraulic conductivity
C. coefficient of flow
D. coefficient of percolation

A

B. hydraulic conductivity

50
Q

The coefficient of permeability of soil depends on
A. Fluid viscosity and pore size
distribution
B. Grain size distribution and degree of saturation
C. Roughness of soil particles and degree of saturation
D. all of these

A

D. all of these

51
Q

Is a line along which water particle will travel from upstream to the downstream side in the permeable soil medium?
A. Flow line
B. Equipotential Lin
C. Energy Line
D. Seepage Line

A

A. Flow line

52
Q

A line along which the potential head at all points are equal.
A. Equiflow line
B. Equipotential Line
C. Energy Line
D. Datum Line

A

B. Equipotential Line

53
Q

Are constructed to calculate the groundwater flow in the media that combine flow line and
equipotential lines.
A. Flow Nets
B. Flow Media
C. Flow Indices
D. Flow Curves

A

A. Flow Nets

54
Q

The sum of the vertical components of the forces developed at the points of contact of the solid particles per unit cross sectional area of
the soil mass.
A. Total Stress
B. Partial Stress
C. Effective Stress
D. Maximum Stress

A

C. Effective Stress

55
Q

Caused by the elastic deformation of dry soil
and of moist and saturated soils without any change in the moisture content.
A. Immediate settlement
B. Primary consolidation settlement
C. Secondary consolidation settlement
D. Tertiary Consolidation settlement

A

A. Immediate settlement

56
Q

The result of volume change in saturated cohesive soils because of the expulsion of
water that occupies the void spaces.
A. Immediate settlement
B. Primary consolidation settlement
C. Secondary consolidation settlement
D. Tertiary Consolidation settlement

A

B. Primary consolidation settlement

57
Q

Ratio of pre-consolidation pressure to present effective overburden pressure.
A. Over-consolidation ratio
B. Overburden ratio
C. Over-settlement ratio
D. Overstress ratio

A

A. Over-consolidation ratio

58
Q

The internal resistance per unit area of the soil mass to resist failure and sliding along any
plane.
A. Shear strength
B. Effective strength
C. Bearing strength
D. Normal strength

A

A. Shear strength

59
Q

It is one of the most reliable methods available for determining the shear strength
parameters. It is used widely for both research and conventional testing.
A. Direct Shear Test
B. Triaxial Shear Test
C. Consolidated-drained Test
D. Consolidated-undrained Test

A

B. Triaxial Shear Test

60
Q

It is the oldest and simplest form of shear test arrangement. The test equipment consist of a metal shear box in which the soil specimen is placed
A. Direct Shear Test
B. Triaxial Shear Test
C. Consolidated-drained Test
D. Consolidated-undrained Test

A

A. Direct Shear Test

61
Q

It is an analysis which involves determining and comparing the shear stress developed along the most likely rupture surface with shear strength of the soil.
A. Slope Stability Analysis
B. Director Shear Analysis
C. Mohr Coulumb Theorem
D. NOTA

A

A. Slope Stability Analysis

62
Q

It is a type of failure occurs in such a way that the surface of sliding passes at a distance
below the toe of the slope.
A. Slope failure
B. Base Failure
C. Circular Failure
D. Critical Failure

A

B. Base Failure

63
Q

It is a type of failure occurs in such a way that the surface of sliding intersects the slope or
above its toe.
A. Slope failure
B. Base Failure
C. Circular Failure
D. Critical Failure

A

A. Slope failure

64
Q

It is the failure circle in the case of slope and occurred when it passes through the toe of the
slope.
A. Toe Circle
B. Slope Circle
C. Mid-point Circle
D. Concentric Circle

A

A. Toe Circle

65
Q

It is the simplest method of making exploratory boreholes which can use two hand
tools.
A. Auger Boring
B. Wash Boring
C. Rotary Drilling
D. Percussion Drilling

A

A. Auger Boring

66
Q

It is another method of advancing boreholes
which uses a casing about 2-3m long driven into the ground. The soil inside the casing is
then removed using a chopping bit attached to a drilling rod.
A. Auger Boring
B. Wash Boring
C. Rotary Drilling
D. Percussion Drilling

A

B. Wash Boring

67
Q

It is a procedure by which rapidly rotating drilling bits attached to the bottom of drilling rods cut and grind the soil and advance the borehole. It can be used in clay, sand, and
rocks.
A. Auger Boring
B. Wash Boring
C. Rotary Drilling
D. Percussion Drilling

A

C. Rotary Drilling

68
Q
  1. It is an alternative method of advancing a borehole, particularly through hard soil and rock. It also required casing.
    A. Auger Boring
    B. Wash Boring
    C. Rotary Drilling
    D. Percussion Drilling
A

D. Percussion Drilling

69
Q

It can be used in the field to obtain soil samples that are generally disturbed but still
representative. It consists of a steel driving shoe, a steel tube that is split longitudinally in
half, and a coupling at the top.
A. Safety Hammer
B. Donut Hammer
C. Spring Core Catcher
D. Split-Spoon Sampler

A

D. Split-Spoon Sampler

70
Q

It is device placed inside the split spoon to ease the sample recovery when the material
encountered in the field is fine sand below the water surface.
A. Safety Hammer
B. Donut Hammer
C. Spring Core Catcher
D. Extensometer

A

C. Spring Core Catcher

71
Q

It is a versatile sounding method that can be
used to determine the material in a soil profile and estimate their engineering properties.
A. Cone Penetration Test
B. Dutch Cone Penetration Test
C. Static Penetration Test
D. All of the Above

A

D. All of the Above

72
Q

The capacity of soil to adhere to other objects. It is estimated at moisture content that displays maximum adherence between thumb and forefinger.

A

Stickiness

73
Q
  • Soils formed by the weathered products at their place of origin
  • Soils formed by deposition of quiet lakes
  • Soils transported by running water and deposited along streams
  • Soils formed by the transportation and deposition of glaciers
  • Soils deformed by deposition in the seas
  • Soil with occasional particles of quartz, feldspar and other minerals
  • Soils transported and deposited by wind:
A

Residual Soil
Lacustrine Soil
Alluvial Soil
Glacial Soil
Marine Soil
Gravel Soil
Aelian Soil

74
Q

used to determine the grain size distribution of the soils passing the No. 200 sieve.

A

Hydrometer Analysis

75
Q

A type of soil in the particle size distribution curve in which most of the
soil grains are the same size

A

Poorly Graded

76
Q

According to the USCS Soil
Classification of a soil particle whose size is greater than 75 mm is called .

A

Cobbles

77
Q

Soil particles which are finer (smaller) than
0.002 mm in size

A

Clay

78
Q

the property of soil which permits flow of water or other liquids through or it is the case with which water can flow through it.

A

Permeability

79
Q

A soil property obtained in the laboratory from a Proctor test. Density of soil at 100% compaction

A

Maximum dry density

80
Q

the ability of an aquifer to transmit water through its entire thickness.

A

Transmissivity or Transmissibility

81
Q

The magnitude of the lowering of a water table, usually near a well being pumped

A

Drawdown

82
Q

The height to which water will rise above the water table due to negative pore water pressure or capillary action of the soil.

A

Capillary rise

83
Q

An instrument used to measure in-situ pore water pressures

A

Piezometer

84
Q

An equation used to determine the increase in vertical pressure at a particular depth that is caused by an application of a point load at a given surface. See Boussinesq Theory for equations and calculations.

A

Boussinesq equation

85
Q

The logarithmic slope of the primary consolidation curve. The slope of the normal compression line and critical state line of the Casagrande Method of consolidation curves.

A

Compression index

86
Q

-Laboratory test similar to the unconsolidated-undrained test performed on plastic soils, usually clay. From this test, the undrained shear strength is calculated as 1/2 of the unconfined compressive strength.

A

Unconfined Compressive Strength Test

87
Q
  • Named after Charles Augustin Coulomb, (1736-1806) An equation relating the shear strength of soil to the normal effective stress on the failure plane
A

Coulomb’s equation

88
Q

A condition that exists when the water table piezometric surface lies above the ground level.

A

Artesian

89
Q

ratio between lateral and vertical principal effective stresses when an earth retaining structure moves away from a retained soil

A

Active earth pressure coefficient

90
Q

ratio between lateral and vertical principal effective stresses when an earth retaining structure is forced against a soil mass

A

Passive earth pressure coefficient

91
Q
  • An earth pressure theory that includes friction between the soil and retaining structure, and assumes that failure occurs along a flat plane behind the retaining structure at an angle that is in part derived from the angle of internal friction
A

Coulomb earth pressure theory

92
Q

structure load to is that part of a structure which transmits the building, load nto the underlying soil

A

footing

93
Q
  • He proposed a correlation for the net allowable bearing pressure for foundation with the standard penetration resistance.
  • he proposed what is referred to as the general bearing capcity equation given by the following equations
A

Meyorhof

Hansen

TERMS (3 decks)

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