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Important Question from Soil Mechanics-Part 1
1. The soil transported by wind is called-
a. aeolian soil b. marine soil c. Alluvial soil d. lacustrine soil.
Ans. a. aeolian soil.
2. Glacial soils are those soils which are
a. Deposited in seawater b. Deposited at the bottom of the lakes
c. Transported by running water d. None of these.
Ans. d. None of these.
3. According to geologist, soil is defined as a disintegrated rock.
a. True b. False
Ans. a. True
4. Which of the following soils are transported by wind?
a. Talus b. Loess c. Drift d. none of these.
Ans. b. Loess
5. Soils are derived from-
a. Igneous rock b. Sedimentary rock c. Metamorphic rock
d. Any of these.
Ans. d. Any of these.
6. Talus is a soil transported by glacial water.
a. Right b. Wrong
Ans. b. Wrong
7. Chemical weathering of soil is caused due to-
a. Oxidation b. Hydration c. Carbonation and leaching d. Any of these.
Ans. d. Any of these.
8. Mechanical weathering of soil is caused by-
a. Periodical temperature changes.
b. Splitting action of flowing water.
c. Splitting action of ies.
d. All of these.
Ans. d. All of these.
9. Residual soils are -
a. Sands b. Silts c. clays d. All of these.
Ans. d. All of these.
10. The soil transported by running water is called-
a. Aeolian soil b. Marine soil c. Alluvial soil d lacustrine soil.
Ans. c. Alluvial soil.
11. Cohesionless soils are-
a. Sands b. clays c. silts d. silts and clays.
Ans. a. Sands
12. The maximum size of grains of silt is about-
a. 0.06 mm. b. 0.2 mm c. 0.5 mm d. 1 mm.
Ans. a. 0.06 mm
13. Silt is a-
a. Material deposited by a Glacier.
b. Soil composed of two different soils.
c. Fine grained soil with little or no plasticity.
d. Clay with a high percentage of the clay mineral.
Ans. c. Fine grained soil with little or no plasticity.
14. A fine grained soil-
a. Has low permeability
b. Has high compressibility
c. May or may not be plastic
d. All of these
Ans. d. All of these.
15. Black cotton soils are-
a. Expensive soil. b. Residual soil.
Ans. b. Residual soil.
16. Sand is almost non compressible.
a. Correct b. Incorrect
Ans. a. Correct
17. The property of a soil which is of great importance in finding settlement of settlement of structure, is-
a. permeability b. shear strength c. consolidation d. compressibility.
Ans. c. consolidation.
18. The maximum size of the particles of clay is about-
a. 0.0002 mm. b. 0.002 mm. c. 0.02 mm. d. 0.2 mm.
Ans. b. 0.002 mm.
19. The moist soil is........saturated clay.
a. Fully b. partially
Ans. b. partially.
20. The ratio of the volume of voids to the total volume of soil mars is called-
a. Water cement ratio b. Porosity c. Void ratio d. Degree of saturation.
Ans. b. Porosity
Here,Learn Details about-
SOIL TYPES AND FORMATION
WATER CONTENT,VOID RATIO,POROSITY,DEGREE OF SATURATION AND IMPORTANT RELATIONSHIPS
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