Soil Mechanics – Multiple Choice Questions (MCQs)

1. 61. What is 'geosynthetics'?

   • A. Manufactured materials used in geotechnical engineering applications to improve soil properties
   • B. Natural soil
   • C. Rocks
   • D. Concrete

2. 62. What is 'geotextile'?

   • A. A permeable fabric used in geotechnical applications for separation
   • B. filtration
   • C. reinforcement
   • D. protection

3. 63. What is 'geogrid'?

   • A. A polymeric material with a grid-like structure used for soil reinforcement
   • B. especially in retaining walls and embankments
   • C. A impermeable fabric
   • D. A type of pipe

4. 64. What is 'soil stabilization'?

   • A. The process of improving the engineering properties of soil by physical or chemical means
   • B. Soil compaction
   • C. Soil exploration
   • D. Soil classification

5. 65. What is 'lime stabilization'?

   • A. Adding lime to soil to improve its strength
   • B. durability
   • C. and reduce plasticity
   • D. Adding cement to soil

6. 66. What is 'cement stabilization'?

   • A. Adding cement to soil to improve its strength and stiffness
   • B. Adding lime to soil
   • C. Adding asphalt to soil
   • D. Adding water to soil

7. 67. What is 'ground improvement'?

   • A. Techniques used to improve the engineering characteristics of soil in situ to support structures or prevent instability
   • B. Soil exploration
   • C. Soil classification
   • D. Soil compaction

8. 68. What is 'piles' in foundations?

   • A. Long
   • B. slender structural members driven or cast into the ground to transfer loads through weak soil layers to stronger layers or rock
   • C. Shallow foundations
   • D. Raft foundations

9. 69. What is 'footings' in foundations?

   • A. Shallow foundations that distribute column or wall loads over a larger area of soil
   • B. Deep foundations
   • C. Piles
   • D. Raft foundations

10. 70. What is 'raft foundation' (or mat foundation)?

    • A. A large
    • B. continuous slab supporting all or a large portion of the structure
    • C. distributing loads over a wide area
    • D. A type of deep foundation

11. 71. What is 'underpinning'?

    • A. The process of strengthening and stabilizing the foundation of an existing building or structure
    • B. Building a new foundation
    • C. Demolishing a foundation
    • D. Designing a foundation

12. 72. What is 'excavation'?

    • A. The process of removing soil or rock from a site
    • B. Adding soil to a site
    • C. Compacting soil
    • D. Stabilizing soil