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- Question
A stratum of clay 2 m thick will get consolidated 80% in 10 years. For the 80% consolidation of 8 m thick stratum of the same clay, the time required is
Options- A. 100 years
- B. 120 years
- C. 140 years
- D. 160 years
- E. 180 years.
- Correct Answer
- 160 years
- 1. Over-consolidation of soils is caused due to
Options- A. erosion of over burden
- B. melting of ice sheets after glaciation
- C. permanent rise of water table
- D. all the above. Discuss
- 2. The capillary rise of water
Options- A. depends upon the force responsible
- B. increases as the size of the soil particles increases
- C. decreases as the size of the soil particles decreases
- D. is less in wet soil than in dry soil. Discuss
- 3. A soil sample has passing 0.075 mm sieve = 60% liquid limit = 65% and plastic limit = 40%. The group index of the soil, is
Options- A. 5
- B. 20
- C. 40
- D. none of these. Discuss
- 4. A sample of saturated soil has 30% water content and the specific gravity of soil grains is 2.6. The dry density of the soil mass in g/cm3, is
Options- A. 1.47
- B. 1.82
- C. 1.91
- D. none of these. Discuss
- 5. The specific gravity of sands, is approximately
Options- A. 1.6
- B. 2.0
- C. 2.2
- D. 2.4
- E. 2.6 Discuss
- 6. A moist soil sample of volume 60 cc. weighs 108 g and its dried weight is 86.4 g. If its absolute density is 2.52, the degree of saturation is
Options- A. 54%
- B. 64%
- C. 74%
- D. 84% Discuss
- 7. Si particles
Options- A. show dilatancy
- B. swell when moist
- C. possess high strength when dry
- D. disintegrate easily. Discuss
- 8. If dry density, water density and specific gravity of solids of a given soil sample are 1.6 g/cc, 1.84 g/cc and 2.56 respectively, the porosity of the soil sample, is
Options- A. 0.375
- B. 0.370
- C. 0.380
- D. 0.390 Discuss
- 9. Pick up the incorrect statement from the following:
Options- A. The smaller the size of the pores, the higher the water can rise above the water table.
- B. Below the water table, the pore water may be static.
- C. The hydrostatic pressure depends on the depth below the water level.
- D. The attractive forces between the particles, caused due to negative pressure of water held above the water table is called soil suction.
- E. None of these. Discuss
- 10. The void ratio of a soil sample decreases from 1.50 to 1.25 when the pressure is increased from 25 tonnes/m2 to 50 tonnes/m2, the coefficient of compressibility is
Options- A. 0.01
- B. 0.02
- C. 0.05
- D. 0.001 Discuss
Soil Mechanics and Foundation Engineering problems
Search Results
Correct Answer: all the above.
Correct Answer: depends upon the force responsible
Correct Answer: none of these.
Correct Answer: 1.47
Correct Answer: 2.6
Correct Answer: 84%
Correct Answer: show dilatancy
Correct Answer: 0.375
Correct Answer: None of these.
Correct Answer: 0.01
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