GEO PRO MAX

Question 1

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

Answer 1

Decrease in both liquid limit and
plasticity index

Question 2

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

Answer 2

Shrinkage limit

Question 3

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

Answer 3

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

Question 4

Negative skin friction on piles

Answer 4

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

Question 5

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

Answer 5

Primary Consolidation

Question 6

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

Answer 6

Liquefaction

Question 7

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

Answer 7

Load imposed onto the soil

Question 8

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

Question 9

Rise of water table above the ground surface causes:

Answer 9

Equal increase in pore water pressure and total stress

Question 10

The shear strength of a soil:

Answer 10

Decreases with decrease in normal stress

Question 11

Effective stress on soil:

Answer 11

Decreases both voids ratio and
permeability

Question 12

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

Answer 12

Strain to stress

Question 13

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

Answer 13

Activity

Question 14

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

Answer 14

Permeability

Question 15

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

Answer 15

Constant head method

Question 16

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

Answer 16

Angle of internal friction

Question 17

Coefficient of earth pressure at rest is

Answer 17

Greater than active earth
pressure but less than passive
earth pressure

Question 18

The average coefficient of
permeability of natural deposits

Answer 18

Parallel to stratification is
always greater than that
perpendicular to stratification

Question 19

The quantity of seepage of water through soils is proportional to

Answer 19

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

Question 20

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

Answer 20

An increase in specific gravity and A decrease in void ratio

Question 21

Who is the father of modern soil mechanics?

Answer 21

K. Terzaghi

Question 22

Accurate determination of water content, is made by

Answer 22

Oven-drying method

Question 23

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

Answer 23

1 (One)

Question 24

Coefficient of consolidation of a
soil is affected by

Answer 24

Both compressibility and permeability

Question 25

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

Answer 25

decreasing

Question 26

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

Answer 26

C. Load imposed onto the soil

Question 27

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

Answer 27

0.074

Question 28

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:

Answer 28

1 to 2

Question 29

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°

Answer 29

B. 45°

Question 30

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

Answer 30

B. Vertical plane only

Question 31

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

Answer 31

D. All of the above

Question 32

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

Answer 32

B. Failure plane does not carry maximum shear stress

Question 33

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

Answer 33

B. Vane shear test