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Home ‣ Civil Engineering ‣ Soil Mechanics and Foundation Engineering Comments
- Question
The critical exist gradient of seepage water in soils, increases with
Options- A. an increase in specific gravity
- B. a decrease in specific gravity
- C. a decrease in void ratio
- D. both (a) and (c)
- E. none of these.
- Correct Answer
- both (a) and (c)
- 1. The shear strength of a soil
Options- A. increases with an increase in the normal stress
- B. is proportional to the cohesion of the soil
- C. is generally known as the strength of the soil
- D. is proportional to the tangent of the angle of internal friction
- E. all the above. Discuss
- 2. According to IS : 2720 - 1965, the composition of a dispersing solution used in pipette analysis for determining the size of particles, is
Options- A. sodium-hexametaphosphate 33 g, sodium carbonate 7 g and distilled water one litre
- B. sodium-hexametaphosphate 7 g, sodium carbonate 33 g and distilled water one litre
- C. sodium-hexametaphosphate 23 g, sodium carbonate 17 g and distilled water one litre
- D. none of these. Discuss
- 3. In non-cohesive soil in passive state of plastic equilibrium
Options- A. major principal stress is horizontal
- B. minor principal stress is vertical
- C. major principal stress is vertical
- D. minor and major principal stresses are equally inclined to the horizontal. Discuss
- 4. The shear strength in plastic undrained clay, is due to
Options- A. inter-granular friction
- B. internal friction
- C. cohesion
- D. none of these. Discuss
- 5. Plasticity index is defined as the range of water content between
Options- A. liquid and plastic limit
- B. plastic limit and semi solid limit
- C. semi-solid limit and liquid limit
- D. liquid limit and solid limit. Discuss
- 6. Pick up the correct statement from the following:
Options- A. The void ratio in soils is defined as the ratio of the volume of voids to the volume of solids
- B. The porosity of a soil is defined as the ratio of the volume of voids to the gross volume of the soil
- C. The bulk density of a soil is defined as the unit weight of the soil
- D. The dry density of a soil is defined as weight of solids to the total volume of the soil
- E. All the above. Discuss
- 7. For slopes of limited extent the surface of slippage, is usually along
Options- A. a parabolic arc
- B. an elliptical arc
- C. a straight line
- D. a circular arc. Discuss
- 8. For a base failure of a slope, depth factor
Options- A. Df = 1
- B. Df < 1
- C. Df > 1
- D. none of these. Discuss
- 9. When the seepage pressure becomes equal to the pressure due to submerged weight of a soil, the effective pressure is reduced to zero and the soil particles have a tendency to move up in the direction of flow. This phenomenon is generally known
Options- A. quick condition
- B. boiling condition
- C. quick sand
- D. all the above. Discuss
- 10. In a fow net
Options- A. flow lines and equipotential lines cross each other at right angles
- B. fields are rectangles whose length is twice the breadth
- C. smaller the dimensions of the field, smaller will be the hydraulic gradient and velocity of flow through it
- D. for homogeneous soil, the curves are smooth and circular. Discuss
Soil Mechanics and Foundation Engineering problems
Search Results
Correct Answer: all the above.
Correct Answer: sodium-hexametaphosphate 33 g, sodium carbonate 7 g and distilled water one litre
Correct Answer: minor principal stress is vertical
Correct Answer: cohesion
Correct Answer: liquid and plastic limit
Correct Answer: All the above.
Correct Answer: a circular arc.
Correct Answer: Df > 1
Correct Answer: all the above.
Correct Answer: flow lines and equipotential lines cross each other at right angles
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