Soil Mechanics Online Test – Paper 2

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Vikash chaudhary

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Total Questions: 30
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1 / 30

1. Which of the following is not the purpose of a foundation?

a) To distribute the weight of the structure

b) To load the substratum evenly

c) To provide a level surface for building construction

d) To increase the safe bearing capacity of the soil

2 / 30

2. Flow net can be used for the determination of

a) Seepage flow rate

b) Hydrostatic pressure

c) Seepage pressure

d) All of the above

3 / 30

3. Moisture content of saturated soil equals:

a) 0%

b) 100%

c) 50%

d) 90%

4 / 30

4. The behavior of silt is normally governed by

a) Mass energy

b) Surface energy

c) Mass energy and surface energy

d) None of the above

5 / 30

5. Falling head permeability test is preferable when the soil sample is

a) Clayey

b) Silty sand

c) Sandy

d) Sandy gravel

6 / 30

6. The neutral stress in a soil mass is

a) Force per neutral area

b) Force per unit effective area of the soil

c) Stress shared by the particles of the soil

d) Stress shared by the pore water

7 / 30

7. Three phase diagram of soil represents

a) Solids, pebbles, and clay

b) Dust, fine sand, and coarse sand

c) Solids, water, and air

d) Solid volume and mass

8 / 30

8. The finest size of soil particle is

a) Clay

b) Silt

c) Sand

d) Cobble

9 / 30

9. The property of the soil which allows water to flow through the soil is known as

a) Capillary

b) Permeability

c) Fluidity

d) Viscosity

10 / 30

10. 'Drift' is the material picked up, mixed, disintegrated, transported, and repositioned by

a) Wind

b) Gravitational force

c) Glacier water

d) All of the above

11 / 30

11. In the case of retaining walls, surcharge is:

a) Excess moisture in wall

b) Extra load on the wall

c) Additional load carrying capacity of wall

d) Extra load on the horizontal backfill

12 / 30

12. Which sequence is correct regarding different coefficients of friction in increasing order?

a) Kp-Ka-Ko

b) Ka-Ko-Kp

c) Ko-Kp-Ka

d) Kp-Ko-Ka

13 / 30

13. * A 'shear stress' is a stress which is applied.......to a face of material.

a) Perpendicularity

b) Parallel

c) Softly

d) With a bang

14 / 30

14. Negative skin friction is to be considered when:

a) Fill settles relative to the pile

b) Pile settles relative to the fill

c) Fill and pile settle together

d) Water table rises

15 / 30

15. Passive earth pressure is defined as

a) Retaining wall tends to move away from the backfill

b) Retaining wall tends to move towards the backfill

c) Retaining wall is in a stationary position

d) All of the above

16 / 30

16. The most effective method for compacting sand is by using

a) Pneumatic rollers

b) Sheep foot rollers

c) Steel tyred rollers

d) Vibration

17 / 30

17. Soil having more cohesion than sand

a) Silt

b) Gravel

c) Clay

d) None of the above

18 / 30

18. The critical exit gradient of the seepage of water in soils

a) Increases with a decrease in the specific gravity

b) Increases with an increase in the specific gravity

c) Decreases with an increase in the liquid limit

d) None of the above

19 / 30

19. Agent of transportation for alluvial soils is

a) Water

b) Gravity

c) Wind

d) Ice

20 / 30

20. The top flow line in the case of seepage flow through an earthen dam has the shape of

a) Parabola

b) Ellipse

c) Hyperbola

d) None of the above

21 / 30

21. Water content is defined as the ratio of

a) Weight of water to weight of solids

b) Weight of solids to weight of water

c) Total amount of water in soil

d) All of the above

22 / 30

22. As sheet pile walls are embedded in soil, for the design of:

a) Active earth pressure only

b) Earth pressure at rest only

c) Passive earth pressure only

d) Active and passive earth pressure both considered

23 / 30

23. If the failure of a finite slope occurs through the toe, it is known as:

a) Slope failure

b) Base failure

c) Face failure

d) Toe failure

24 / 30

24. Which of the following is responsible for the shear resistance in soils?

a) Intergranular friction

b) Cohesion and adhesion between the soil particles

c) Both (a) and (b) of the above

d) None of the above

25 / 30

25. Quick sand is a

a) Type of sand

b) Condition in which a cohesionless soil loses its strength because of upward flow of water

c) Moist sand containing small particles

d) Condition which occurs in coarse sand

26 / 30

26. In Rankine's earth pressure theory, the following assumption is made:

a) Wall face is rough and vertical

b) Backfill is cohesive soil

c) Wall face is smooth and vertical

d) Elastic equilibrium is satisfied

27 / 30

27. Square root of times fitting method is used for calculating

a) Compression index

b) Coefficient of consolidation

c) Coefficient of compressibility

d) Coefficient of volume compressibility

28 / 30

28. Clays containing organic matter are made suitable for stabilization by first adding a small percentage of

a) Hydrated lime

b) Cement

c) Calcium chloride

d) Resins

29 / 30

29. The shear strength of a soil is

a) Directly proportional to the cohesion of soil

b) Directly proportional to the angle of friction of the soil

c) Directly proportional to the normal stress

d) All of the above

30 / 30

30. Core-cutter method is used for

a) Determining the density of soil

b) Obtaining samples for direct shear test

c) Determining the bearing capacity of soil

d) Compacting soil

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Soil Mechanics Online Test – Paper 2

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