Soil Mechanics and Foundation Engineering problems
- 1. The effective size of particles of soil is denoted by
Options- A. D10
- B. D20
- C. D30
- D. D60 Discuss
Correct Answer: D10
- 2. The coefficient of compressibility of soil, is the ratio of
Options- A. stress to strain
- B. strain to stress
- C. stress to settlement
- D. rate of loading to that of settlement. Discuss
Correct Answer: strain to stress
- 3. If the failure of a finite slope occurs through the toe, it is known as
Options- A. slope failure
- B. face failure
- C. base failure
- D. toe failure. Discuss
Correct Answer: toe failure.
- 4. The fluid generally used for grouting is
Options- A. cement and water mix
- B. clay suspension
- C. sodium silicate
- D. bitumen emulsion
- E. all the above. Discuss
Correct Answer: all the above.
- 5. The water content of soil is defined as the ratio of
Options- A. volume of water to volume of given soil
- B. volume of water to volume of voids in soil
- C. weight of water to weight of air in voids
- D. weight of water to weight of solids of given mass of soil. Discuss
Correct Answer: weight of water to weight of solids of given mass of soil.
- 6. Pick up the clay soil group which does not swell when wet from the following :
Options- A. Kaolinite group
- B. Mite group
- C. Vermiculite group
- D. Montrorillonite group. Discuss
Correct Answer: Mite group
- 7. If Nf, Nd and H are total number flow channels, total number of potential drops and total hydraulic head differences respectively, the discharge q through the complete flow is given by (where K is a constant)
Options- A.
- B.
- C.
- D.
Discuss
Correct Answer:
- 8. Factor of safety against sliding of a slope, is the ratio of
Options- A. actual cohesion to that required to maintain stability of slope
- B. shear strength to shear stress along the surface
- C. neither (a) nor (b)
- D. both (a) and (b). Discuss
Correct Answer: both (a) and (b).
- 9. The internal molecular attraction of a soil, the cohesion
Options- A. decreases as the moisture content increases
- B. increases as the moisture content decreases
- C. is more in well compacted clays
- D. depends upon the external applied load. Discuss
Correct Answer: is more in well compacted clays
- 10. The lateral earth pressure on a retaining wall
Options- A. is equal to mass of the soil retained
- B. proportional to the depth of the soil
- C. proportional to the square of the depth of the soil
- D. proportional to the internal friction of the soil
- E. none of these. Discuss
Correct Answer: proportional to the internal friction of the soil
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