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1

Slope stability is decreased by
A)increased slope angle
B)increased load on the slope
C)saturated soil conditions
D)all of the above
2

Sandy soil has greatest strength when it is
A)dry
B)moist
C)saturated
D)quick
3

What process is mainly a result of soil expansion and contraction?
A)soil creep
B)landslide
C)mudflow
D)soil flowage
4

The angle of repose indicates the strength of soil when it has which moisture condition?
A)saturated
B)dry
C)quick
D)moist
5

Clay has no strength when it is
A)dry
B)moist
C)saturated
D)quick
6

Which mass movement involves material with the highest water content?
A)slump
B)rockfall
C)earthflow
D)mudflow
7

Which is the fastest moving mass movement?
A)slump
B)soil creep
C)avalanche
D)solifluction
8

The form of mass movement in which materials move in a disorganized, chaotic fashion is
A)slide
B)flow
C)rock fall
D)slump
9

Talus forms a steep slope because it is
A)coarse grained and angular
B)subject to soil creep
C)fine grained and rounded
D)usually saturated
10

Which is the slowest moving mass movement?
A)slump
B)soil creep
C)avalanche
D)solifluction
11

When soil freezes, it can
A)slump
B)flow
C)liquefy
D)heave
12

Rockfalls produce
A)mudflows
B)heaves
C)slumps
D)talus
13

The movement involved in a slump is
A)fall
B)flow
C)slide
D)heave
14

Water in soils can cause
A)decreased strength by reducing friction
B)increased strength by increasing adhesion
C)quick conditions by upward movement
D)all of the above
15

Which mass movement consists of the coarsest particles?
A)debris avalanche
B)earthflow
C)soil creep
D)mudflow
16

Which is a type of mass wasting?
A)nuée ardente
B)pyroclastic flow
C)lahar
D)all of the above
17

In which type of mass wasting movement does the moving material retain its original shape?
A)heave
B)slide
C)creep
D)flow
18

A head scarps and hummocky toe are characteristics of a(n)
A)slump
B)heave
C)talus
D)rockfall
19

Quick clays
A)liquefy when shaken by earthquakes
B)absorb large amounts of water
C)contain sodium chloride in their pore spaces
D)all of the above
20

Which change can lead to slope failure?
A)rise of water table in slope material
B)decline of water table in slope material
C)removal of material from the top of a slope
D)addition of material to the base of a slope





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