GEO PRO MAX Flashcards

1
Q

The admixture of coarser particles like sand or silt to clay causes

A

Decrease in both liquid limit and
plasticity index

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

The water content in a soil sample when it continues to loose weight without loosing the volume, is called

A

Shrinkage limit

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

A decrease in water content results in a reduction of the volume of soil in:

A

A. Liquid state
B. Plastic state
C. Semi-solid state

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Negative skin friction on piles

A

A. Is caused due to relative
settlement of the soil
B. Is caused in soft clays
C. Decreases the pile capacity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Volume change in saturated soils caused by the expulsion of pore water from loading?

A

Primary Consolidation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

A process by which water-saturated soil sediment temporarily loss strength and acts as a fluid.

A

Liquefaction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

One of the following foundation
conditions does not affect the bearing capacity of the supporting soil.

A

Load imposed onto the soil

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

If the ground water table in a soil formation rises as resulting of flooding, the bearing capacity of the soil:

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Rise of water table above the ground surface causes:

A

Equal increase in pore water pressure and total stress

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

The shear strength of a soil:

A

Decreases with decrease in normal stress

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Effective stress on soil:

A

Decreases both voids ratio and
permeability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

The coefficient of compressibility of soil, is the ratio of:

A

Strain to stress

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

An index used to identify the swelling potential of clay soils is called

A

Activity

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

The property of a soil which permits water to percolate through it

A

Permeability

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Which of the following methods is best suited for determination of permeability of coarse grained soils?

A

Constant head method

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Terzaghi’s bearing capacity factors Nc, Nq and Nγ are functions of

A

Angle of internal friction

17
Q

Coefficient of earth pressure at rest is

A

Greater than active earth
pressure but less than passive
earth pressure

18
Q

The average coefficient of
permeability of natural deposits

A

Parallel to stratification is
always greater than that
perpendicular to stratification

19
Q

The quantity of seepage of water through soils is proportional to

A

Coefficient of permeability of
soil and Total head loss through the soil

20
Q

The critical exist gradient of seepage water in soils, increases with

A

An increase in specific gravity and A decrease in void ratio

21
Q

Who is the father of modern soil mechanics?

A

K. Terzaghi

22
Q

Accurate determination of water content, is made by

A

Oven-drying method

23
Q

If the sand in-situ is in its
densest state, then the relative density of sand is

A

1 (One)

24
Q

Coefficient of consolidation of a
soil is affected by

A

Both compressibility and permeability

25
Q

If the ground water table in the
soil formation rises as a resulting of flooding, the bearing capacity of the soil

A

decreasing

26
Q

One of the following foundation
conditions does not affect the bearing capacity of the supporting soil

A. Unit weight of the soil
B. depth of founding of footings
C. Load imposed onto the soil
D. Position of ground water table

A

C. Load imposed onto the soil

27
Q

What is the largest grain that passes a no. 200 sieve in millimeter?

A

0.074

28
Q

Section 302.2.2 of the National
Structural Code of the Philippines provides that the slope of cut surfaces of the ground shall be no steeper than
is safe for the intended use and shall be no steeper that:

A

1 to 2

29
Q

The maximum shear stress occurs on the filament which makes an angle with the
horizontal plane equal to:\
A. 30°
B. 45°
C. 60°
D. 90°

A

B. 45°

30
Q

In the triaxial test, the deviator
stress increases the shear stress on what plane?
A. Horizontal plane only
B. Vertical plane only
C. Both horizontal and vertical
planes
D. All planes except the horizontal and vertical planes

A

B. Vertical plane only

31
Q

The shear strength of a soil:
A. Increases with an increase in
the normal stress
B. is proportional to the cohesion of the soil
C. Is generally known as the
strength of the soil
D. All of the above

A

D. All of the above

32
Q

Pick up the correct statement from the following:
A. Failure plane carries maximum shear stress
B. Failure plane does not carry
maximum shear stress
C. Failure plane carries shear
stress equal to maximum shear
stress
D. None of these

A

B. Failure plane does not carry
maximum shear stress

33
Q

Which of the following tests is not done on a laboratory set up?
A. Direct shear test
B. Vane shear test
C. Triaxial test
D. Unconfined compression test

A

B. Vane shear test

34
Q
A