QUESTION 1 Which of the following types of mass movement takes place most gradua

Question

QUESTION 1

Which of the following types of mass movement takes place most gradually?

slump

creep

rock slide

mudflow

10 points   

QUESTION 2

Which of the following types of mass movement is least coherent (most like a liquid)?

slump

creep

rock slide

mudflow

10 points   

QUESTION 3

Which of the following types of mass movement always travels down a curved surface?

slump

creep

rock slide

mudflow

10 points   

QUESTION 4

The principle difference between a debris flow and a debris slide is the ____________.

the shape of the path taken by the moving mass

grain size of the moving mass

debris flow contains abundant water whereas the debris slide is dry

debris flow contains pyroclastic material from a volcanic eruption

10 points   

QUESTION 5

The immediate cause of incidents of mass movement is ____________.

electromagnetic attraction

gravity

magnetism

friction

10 points   

QUESTION 6

A rock slide into a reservoir triggered catastrophic flooding of the landscape below which dam?

Vaiont (Italy)

Aswan (Egypt)

Hoover (Nevada)

Glen Canyon (Arizona)

10 points   

QUESTION 7

Which type of bedrock provides the greatest risk of landslide?

granite

gneiss

sandstone

shale

10 points   

QUESTION 8

"For dry sediments, the angle of repose is typically between ____________ degrees."

10 and 17

20 and 27

30 and 37

15 and 22

10 points   

QUESTION 9

Which of the following factors decreases the risk of mass movement?

nearby earthquakes

adding vegetation to the side of a hill

adding weight to the top of a hill

excavation into the base of a hill

10 points   

QUESTION 10

The principle difference between a debris flow and a mudflow is the ____________.

the shape of the path taken by the moving mass

grain size of the moving mass

debris flow contains abundant water whereas the debris slide is dry

debris flow contains pyroclastic material from a volcanic eruption

slump

creep

rock slide

mudflow

Explanation / Answer

1. Creep mass movement takes place most gradually.

2. Which of the following types of mass movement is least coherent (most like a liquid)?

Ans. mudflow

3. Which of the following types of mass movement always travel down a curved surface?

Ans. slump

4. The principle difference between a debris flow and a debris slide is the

debris flow contains abundant water, whereas the debris slide is dry.

5. The immediate cause of incidents of mass movement is gravitation.

6. A rock slide into a reservoir triggered catastrophic flooding of the landscape below which dam?

Ans. vaiont (italy)

7. Which type of bedrock provides the greatest risk of landslide?

Ans. shale

8. For dry sediments, the angle of repose is typically between 30 and 37.

9. Which of the following factors decreases the risk of mass movement?

Ans. Adding vegetation the the side of a hill.

10. The principle difference between a debris flow and a mudflow is the

grain size of the moving mass.

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