Soil Mechanics Online Test - Paper 2

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Vikash chaudhary

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Total Questions: 30
Time Allotted: 30 minutes
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1 / 30

1. For the determination of shear strength in the laboratory, the tests done are

a) Triaxial shear test

b) Direct shear test

c) All of the above

d) Unconfined shear test

2 / 30

2. 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

3 / 30

3. The saturated density of soil can be expressed as

a) Weight of soil in water to its volume

b) Weight of soil minus weight of equivalent water to volume of soil

c) Weight of soil less weight of water in voids to the volume of solids plus voids in the soil

d) Unit weight of saturated soil

4 / 30

4. The thickness of adsorbed layers of soil is measured in

a) Angstroms

b) cm

c) mm

d) Micron

5 / 30

5. For normally consolidated clay deposits, the stability analysis of slope by the following method is appropriate:

a) Friction circle method

b) Swedish circular arc method

c) Stices method

d) None of the above

6 / 30

6. The bearing capacity of soil depends on:

a) Grain size of the soil

b) Load intensity

c) On the load

d) Rate of loading

7 / 30

7. Pick up the correct sequence of geological cycle for the formation of soil

a) Transportation - Upheaval - Deposition - Weathering

b) Transportation - Deposition - Weathering - Upheaval

c) Weathering - Upheaval - Deposition - Transportation

d) Weathering - Transportation - Deposition - Upheaval

8 / 30

8. The critical exit gradient of the seepage of water in soils is

a) Directly proportional to the void ratio

b) Increases with a decrease in void ratio

c) Increases with a decrease in specific gravity

d) Inversely proportional to the specific gravity

9 / 30

9. California Bearing Ratio test is used:

a) To find the bearing capacity of the soil

b) To find the thickness of a flexible pavement

c) To find the ratio of ultimate bearing capacity to net bearing capacity

d) None of the above

10 / 30

10. The load-carrying capacity of the pile is............due to skin friction.

a) Increases

b) Decreases

c) Constant

d) None of the above

11 / 30

11. If the soil stays at a place above the parent rock where it is produced, then it is called

a) Stationary soil

b) Static soil

c) Residual soil

d) Immobile soil

12 / 30

12. Over-consolidated soils caused due to:

a) erosion of overburden

b) melting of ice sheets after glaciations

c) permanent rise of water table

d) all of the above

13 / 30

13. The structure that derives its stability due to self-weight is:

a) Sheet pile wall

b) Bulkhead

c) Cantilever retaining wall

d) Masonry retaining wall

14 / 30

14. Total lateral earth pressure is proportional to

a) Depth of the soil

b) Square of the depth of the soil

c) Angle of internal friction of the soil

d) None of the above

15 / 30

15. For a well-graded soil, the coefficient of curvature will be between

a) 1 and 10

b) 2 and 8

c) 3 and 7

d) 1 and 3

16 / 30

16. Cohesionless soils are formed due to

a) Oxidation of rocks

b) Leaching action of water on rocks

c) Blowing of hot and cold wind

d) Physical disintegration of rock

17 / 30

17. According to Terzaghi's theory, the ultimate B.C., at ground surface for a purely cohesive soil and for a smooth base of a strip footing is:

a) 2.57c

b) 5.14c

c) 10.28c

d) 12.0c

18 / 30

18. Plasticity needle/Proctor needle is used to determine

a) Plastic limit of the soil used in compaction

b) Penetration resistance to control field compaction

c) Penetration value of bitumen used in road construction

d) Swelling index of black cotton soil

19 / 30

19. The active earth pressure of a soil can be defined as lateral pressure exerted by the soil when

a) The retaining wall tends to move away from the backfill

b) The wall moves into the soil

c) The wall moves relative to the backfill

d) Any of the above

20 / 30

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

a) Pneumatic rollers

b) Sheep foot rollers

c) Steel tyred rollers

d) Vibration

21 / 30

21. *Coefficient of earth pressure at rest is:

a) Less than active earth pressure but greater than passive earth pressure

b) Greater than active earth pressure but lesser than passive earth pressure

c) Greater than both active and passive earth pressure

d) Lesser than both active and passive earth pressure

22 / 30

22. Compaction is done to remove... from the soil.

a) Air

b) Water

c) Soil

d) None of the above

23 / 30

23. Allowable bearing pressure for a foundation depends on:

a) Allowable settlement only

b) Ultimate bearing capacity of soil only

c) Both allowable settlement & ultimate bearing capacity of soil

d) None of the above

24 / 30

24. A clay deposit that is not fully consolidated under the existing overburden pressure is known as

a) Normally consolidated soil

b) Overconsolidated soil

c) Underconsolidated soil

d) None of the above

25 / 30

25. Physical weathering occurs due to

a) Temperature changes

b) Wedging action of ice

c) Spreading of roots of plants

d) All of the above

26 / 30

26. Negative skin friction affects the load carrying capacity of the pile by:

a) Increases

b) Decreases

c) Constant

d) None of the above

27 / 30

27. Which method is quickest to find the water content of soils?

a) Oven dry method

b) Alcohol method

c) Calcium carbide method

d) Sand bath method

28 / 30

28. The minimum number of piles needed to support a wall is:

a) 1

b) 2

c) 3

d) 4

29 / 30

29. One of the graphical methods for earth pressure determination is:

a) Newmark's influence chart method

b) Mohr diagram method

c) Culmann's method

d) Taylor's method

30 / 30

30. If a solid suffers a change in volume by the application of external loads but recovers its volume immediately after the load is removed, such a soil is termed as:

a) Compressive soils

b) Plastic solids

c) Elastic soils

d) Perfect soils

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Soil Mechanics Online Test – Paper 2

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