Free Printable Soil Mechanics Revision

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Soil Mechanics Revision

Total questions: 20

Worksheet time: 29mins

Name

Class

Date

Rock is broken into smaller and smaller pieces over time by all of the following EXCEPT -

Flowing water

Blowing wind

Cooling sand

Moving Ice

---rocks are formed by the cooling of the molten magma

Sedimentary

Igneous

Metamorphic

quartz

What type of rock can turn into a metamorphic rock?

Igneous only

Sedimentary only

Metamorphic only

Any type of rock

This rock formed when bits of other rocks and sediment were pressed into a solid. What type of rock is it?

Sedimentary Rock

Metamorphic Rock

Igneous Rock

This type of weathering occurs when rocks weaken then break down due to chemical changes in the composition of the rock.

mechanical weathering

chemical weathering

erosion weathering

deposition

How is mechanical weathering different from chemical weathering?

Chemical weathering happens over much shorter time frame than mechanical weathering.

Chemical weathering changes the chemical composition of rocks; mechanical weathering does not.

Chemical weathering occurs only in tropical climates; mechanical weathering occurs only in cool climates.

Chemical weathering occurs only in the mountains; mechanical weathering occurs only on flat land.

What is mechanical weathering?

process through which rocks are physically broken into smaller pieces.

rocks are broken down through chemical changes.

rocks are worn away from acid in plant roots.

rocks broken down by machinery.

If the rate of weathering is more than rate of transportation of weathered material, the resulting accumulated soil is ------

Alluvial soil

lacustrine deposits

residual soil

sedimentary soil

Cohesion is a measure of the …..

Intermolecular forces.

Molecular forces.

Destructive forces.

Axial forces.

Compressive forces.

10.

What is c in the following figure?

cohesive component

frictional component

friction force

cohesive force

normal stress

11.

Shear strength consists of two components:

(a)

12.

What is the cohesion value for sand?

(a)

13.

_________ apparatus is used to test liquid limit of a soil.

Mohr

Cassagrande

Otto

Terzaghi

14.

What is the porosity of a soil sample whose void ratio is 0.35

19.5

40.65

25.9

15.

______ is independent of the total volume of the soil mass.

Bulk unit weight

Dry unit weight

Submerged unit weight

Unit weight of solids

16.

Void ratio is the ratio of _____

volume of voids to total volume

volume of voids to volume of solids

volume of solids to volume of voids

volume of soil mass to volume of voids

17.

The formula for density index I_D is ______

(e_max – e)

(emax–e)/(emin−e)

(emax–emin)/(emax−e)

(emax–e)/(emax−emin)

18.

Which of the following assumptions is wrong, with respect to sedimentation analysis?

The soil particles are spherical

Particle settle independent of other particles do not have any effect on its velocity of settlements

Soil particles has different specific gravity

The walls of jar, in which the suspension is kept do not affect the settlement

19.

The water content corresponding to the maximum density in compaction curve is called ____________

Water content of compacted soil
)

Optimum water content

Air void water content

None of the mentioned

20.

What are the types of water flow in the soil?

Turbulent flow and Laminar flow

Linear flow

None of the mentioned

All of the mentioned

Reset

Soil Mechanics Revision

Total questions: 20

Worksheet time: 29mins

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