Question 1

In debris avalanches, the mass of material does not affect runout.

Accepted Answer

A) True 
 B)False

Question 2

Fresh snowfall tends to reduce the chance of an avalanche.

Accepted Answer

A) True 
 B)False

Question 3

Explain the cause and motion of a rotational slump.

Accepted Answer

​ A rotational slump happens only in mat

Question 4

The key element in creating avalanche danger is ____.

Accepted Answer

A) a frozen "cornice" or overhang 
B) a frozen  or overhang 
C) recent freezing or packing of the surface layer 
D) a source of vibration 
E) a weak layer in the snowpack 
A) a frozen "cornice" or overhang 
B) a frozen  or overhang 
C) recent freezing or packing of the surface layer 
D) a source of vibration 
E) a weak layer in the snowpack

Question 5

A road engineer is looking for ways to improve safety on a stretch of road bordered by a moderately steep field of small boulders. Suggest and describe three techniques that could be used practically.

Accepted Answer

A successful answer will include three o

Question 6

Soil creep is most likely to result from ____ .

Accepted Answer

A) vibrational disruption of a slope 
B) a desaturated soil with less cohesion 
C) soil expansion and contraction 
D) a higher angle of repose for the material than the slope angle 
E) removal of mass at the head of the slope 
A) vibrational disruption of a slope 
B) a desaturated soil with less cohesion 
C) soil expansion and contraction 
D) a higher angle of repose for the material than the slope angle 
E) removal of mass at the head of the slope

Question 7

A slope will slide if the ____.

Accepted Answer

A) driving force is zero 
B) resisting force is zero 
C) driving force is greater than the resisting force 
D) driving force is less than the resisting force 
E) resisting force is equal to the driving force 
A) driving force is zero 
B) resisting force is zero 
C) driving force is greater than the resisting force 
D) driving force is less than the resisting force 
E) resisting force is equal to the driving force

Question 8

Water is a key factor in slope stability.

Accepted Answer

A) True 
 B)False

Question 9

Water-rich sand or quick clay is likely to cause a ____.

Accepted Answer

A) deviational slide 
B) divergent slide 
C) rotational slump 
D) lateral-spreading slide 
E) translational slide 
A) deviational slide 
B) divergent slide 
C) rotational slump 
D) lateral-spreading slide 
E) translational slide

Question 10

A translational slide would be most likely in ____.

Accepted Answer

A) new snow on top of hoarfrost 
B) large boulders embedded in sand 
C) thick gravel over tuff 
D) areas with deep, dry sand 
E) thick, vegetated soil over bedrock 
A) new snow on top of hoarfrost 
B) large boulders embedded in sand 
C) thick gravel over tuff 
D) areas with deep, dry sand 
E) thick, vegetated soil over bedrock

In debris avalanches, the mass of material does not affect runout.

Fresh snowfall tends to reduce the chance of an avalanche.

Explain the cause and motion of a rotational slump.

The key element in creating avalanche danger is ____.

A road engineer is looking for ways to improve safety on a stretch of road bordered by a moderately steep field of small boulders. Suggest and describe three techniques that could be used practically.

Soil creep is most likely to result from ____ .

A slope will slide if the ____.

Water is a key factor in slope stability.

Water-rich sand or quick clay is likely to cause a ____.

A translational slide would be most likely in ____.

Natural Hazards and Disasters

Plate Tectonics and Physical Hazards

Earthquakes and Their Causes

Earthquake Predictions Forecasts and Mitigation

Tsunami

Volcanoes Tectonic Environments and Eruptions

Volcanoes Hazards and Mitigation

Sinkholes Land Subsidence and Swelling Soils

Weather Thunderstorms and Tornadoes

Climate Change Processes and History

Climate Change Impacts and Mitigation

Streams and Flood Processes

Floods and Human Interactions

Waves Beaches and Coastal Erosion

Hurricanes and nor Easters

Wildfires

Asteroid and Comet Impacts

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Exam 8: Landslides and Other Downslope Movements

In debris avalanches, the mass of material does not affect runout.

Fresh snowfall tends to reduce the chance of an avalanche.

Explain the cause and motion of a rotational slump.

The key element in creating avalanche danger is ____.

A road engineer is looking for ways to improve safety on a stretch of road bordered by a moderately steep field of small boulders. Suggest and describe three techniques that could be used practically.

Soil creep is most likely to result from ____ .

A slope will slide if the ____.

Water is a key factor in slope stability.

Water-rich sand or quick clay is likely to cause a ____.

A translational slide would be most likely in ____.

Natural Hazards and Disasters

Plate Tectonics and Physical Hazards

Earthquakes and Their Causes

Earthquake Predictions Forecasts and Mitigation

Tsunami

Volcanoes Tectonic Environments and Eruptions

Volcanoes Hazards and Mitigation

Sinkholes Land Subsidence and Swelling Soils

Weather Thunderstorms and Tornadoes

Climate Change Processes and History

Climate Change Impacts and Mitigation

Streams and Flood Processes

Floods and Human Interactions

Waves Beaches and Coastal Erosion

Hurricanes and nor Easters

Wildfires

Asteroid and Comet Impacts

Filters