Question 1

Dry snow avalanches behave like a fluid.

Accepted Answer

A) True 
 B)False  True

Question 2

A slope where the driving forces are less than the resisting forces is unstable.

Accepted Answer

A) True 
 B)False  False

Question 3

The steeper the slope, the greater the potential for mass wasting.

Accepted Answer

A) True 
 B)False  True

Question 4

What does it mean to "buttress"a landslide?

Accepted Answer

Buttressing involves loading up the toe

Question 5

In the U.S., debris flows are limited to the west coast and southwestern states.

Accepted Answer

A) True 
 B)False

Question 6

What is a legal concern associated with building debris flow diversion devices?

Accepted Answer

One needs to be concerned abou

Question 7

What item listed below applies to block glides?

Accepted Answer

A)  rotational slide 
B)  move on curved, concave upward slide surfaces 
C)  the most common kind of landslide 
D)  translational slide 
E)  self-stabilizing 
A)  rotational slide 
B)  move on curved, concave upward slide surfaces 
C)  the most common kind of landslide 
D)  translational slide 
E)  self-stabilizing

Question 8

Debris flows that occur on volcanoes are called lahars.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following areas is NOT known to be a region with hydrocompaction problems?

Accepted Answer

A)  Heart Mountain and Riverton areas of Wyoming 
B)  Fort Collins, Colorado 
C)  the Columbia Basin in Washington 
D)  southwest and central Utah 
E)  the San Joaquin Valley of California 
A)  Heart Mountain and Riverton areas of Wyoming 
B)  Fort Collins, Colorado 
C)  the Columbia Basin in Washington 
D)  southwest and central Utah 
E)  the San Joaquin Valley of California

Question 10

Settlement is the same thing as subsidence.

Accepted Answer

A) True 
 B)False

Question 11

Mass wasting is included under the broader heading of landsliding.

Accepted Answer

A) True 
 B)False

Question 12

Why do the rainfall thresholds for debris flows and landslides for California semiarid regions and Contra Costa and Marin Counties in Central California vary?

Accepted Answer

Semiarid areas have little vegetation an

Question 13

In 1985, 129 people died in a mass-wasting event in Puerto Rico. This was the highest death toll from such an event in U.S. history. What type of mass wasting was involved?

Accepted Answer

A)  block glide 
B)  debris avalanche 
C)  mudflow 
D)  slump earth flow 
E)  creep 
A)  block glide 
B)  debris avalanche 
C)  mudflow 
D)  slump earth flow 
E)  creep

Question 14

What is likely to happen, at the surface, if large volumes of water, oil, or gas are removed from layers of rock deep underground?

Accepted Answer

A)  settlement 
B)  deep subsidence 
C)  shallow subsidence 
D)  magmatic intrusion 
E)  hydrocompaction 
A)  settlement 
B)  deep subsidence 
C)  shallow subsidence 
D)  magmatic intrusion 
E)  hydrocompaction

Question 15

The subsidence mitigation program being implemented for Venice, Italy is elegant because of its simplicity and low-cost.

Accepted Answer

A) True 
 B)False

Question 16

If expansive soils and subsidence are included, total losses from mass wasting in the U.S. are many times greater than the annual combined losses from earthquakes, volcanoes, floods, hurricanes, and tornadoes.

Accepted Answer

A) True 
 B)False

Question 17

What is a common approach used to deal with collapsible soil when constructing water canals?

Accepted Answer

A)  Waterproof it with an impermeable barrier. 
B)  Remove all of it and replace it with an engineered fill. 
C)  Precollapse it by soaking it with water. 
D)  Use a reinforced concrete lining for the canal. 
E)  Extend sections of very large diameter pipe through these areas. 
A)  Waterproof it with an impermeable barrier. 
B)  Remove all of it and replace it with an engineered fill. 
C)  Precollapse it by soaking it with water. 
D)  Use a reinforced concrete lining for the canal. 
E)  Extend sections of very large diameter pipe through these areas.

Question 18

What was the cause of the 2,500 deaths that occurred near Vaiont Dam, Italy, in 1963?

Accepted Answer

A)  burial by rock debris 
B)  water flooding due to the breaking of the dam 
C)  water flooding due to overflow of the dam 
D)  burial by a mudflow 
E)  the town sliding into the reservoir 
A)  burial by rock debris 
B)  water flooding due to the breaking of the dam 
C)  water flooding due to overflow of the dam 
D)  burial by a mudflow 
E)  the town sliding into the reservoir

Question 19

Why are drain holes an essential part of a retaining wall?

Accepted Answer

Without them, water will build up behind

Question 20

Creep is considered to be a type of flow.

Accepted Answer

A) True 
 B)False

Dry snow avalanches behave like a fluid.

A slope where the driving forces are less than the resisting forces is unstable.

The steeper the slope, the greater the potential for mass wasting.

What does it mean to "buttress"a landslide?

In the U.S., debris flows are limited to the west coast and southwestern states.

What is a legal concern associated with building debris flow diversion devices?

What item listed below applies to block glides?

Debris flows that occur on volcanoes are called lahars.

Which of the following areas is NOT known to be a region with hydrocompaction problems?

Settlement is the same thing as subsidence.

Mass wasting is included under the broader heading of landsliding.

Why do the rainfall thresholds for debris flows and landslides for California semiarid regions and Contra Costa and Marin Counties in Central California vary?

In 1985, 129 people died in a mass-wasting event in Puerto Rico. This was the highest death toll from such an event in U.S. history. What type of mass wasting was involved?

What is likely to happen, at the surface, if large volumes of water, oil, or gas are removed from layers of rock deep underground?

The subsidence mitigation program being implemented for Venice, Italy is elegant because of its simplicity and low-cost.

If expansive soils and subsidence are included, total losses from mass wasting in the U.S. are many times greater than the annual combined losses from earthquakes, volcanoes, floods, hurricanes, and tornadoes.

What is a common approach used to deal with collapsible soil when constructing water canals?

What was the cause of the 2,500 deaths that occurred near Vaiont Dam, Italy, in 1963?

Why are drain holes an essential part of a retaining wall?

Creep is considered to be a type of flow.

Humans, Geology, and the Environment

The Earth System and Climate Change

The Solid Earth

Earthquakes and Human Activities

Volcanoes

Weathering, Soils, and Erosion

Freshwater Resources

Hydrologic Hazards at the Earthss Surface

Coastal Environments and Humans

Glaciation and Long-Term Climate Change

Arid Lands, Winds, and Desertification

Mineral Resources and Society

Energy and the Environment

Waste Management and Geology

Filters

Exam 7: Mass Wasting and Subsidence

Dry snow avalanches behave like a fluid.

A slope where the driving forces are less than the resisting forces is unstable.

The steeper the slope, the greater the potential for mass wasting.

What does it mean to "buttress"a landslide?

In the U.S., debris flows are limited to the west coast and southwestern states.

What is a legal concern associated with building debris flow diversion devices?

What item listed below applies to block glides?

Debris flows that occur on volcanoes are called lahars.

Which of the following areas is NOT known to be a region with hydrocompaction problems?

Settlement is the same thing as subsidence.

Mass wasting is included under the broader heading of landsliding.

Why do the rainfall thresholds for debris flows and landslides for California semiarid regions and Contra Costa and Marin Counties in Central California vary?

In 1985, 129 people died in a mass-wasting event in Puerto Rico. This was the highest death toll from such an event in U.S. history. What type of mass wasting was involved?

What is likely to happen, at the surface, if large volumes of water, oil, or gas are removed from layers of rock deep underground?

The subsidence mitigation program being implemented for Venice, Italy is elegant because of its simplicity and low-cost.

If expansive soils and subsidence are included, total losses from mass wasting in the U.S. are many times greater than the annual combined losses from earthquakes, volcanoes, floods, hurricanes, and tornadoes.

What is a common approach used to deal with collapsible soil when constructing water canals?

What was the cause of the 2,500 deaths that occurred near Vaiont Dam, Italy, in 1963?

Why are drain holes an essential part of a retaining wall?

Creep is considered to be a type of flow.

Humans, Geology, and the Environment

The Earth System and Climate Change

The Solid Earth

Earthquakes and Human Activities

Volcanoes

Weathering, Soils, and Erosion

Freshwater Resources

Hydrologic Hazards at the Earthss Surface

Coastal Environments and Humans

Glaciation and Long-Term Climate Change

Arid Lands, Winds, and Desertification

Mineral Resources and Society

Energy and the Environment

Waste Management and Geology

Filters