MCQOPTIONS
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MCQOPTIONS
This section includes 15 Mcqs, each offering curated multiple-choice questions to sharpen your Soil Mechanics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
In fluid flow calculations, water is considered as incompressible. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 2. |
Excess pore pressure is also known as ___________ |
| A. | hydrodynamic pressure |
| B. | seepage pressure |
| C. | effective pressure |
| D. | total pressure |
| Answer» B. seepage pressure | |
| 3. |
In the spring analogy of consolidation, cylinder is filled with water up to bottom of piston and spring carries 10 units of load. If external two units of load is applied and the valve is opened, then the effective pressure σ’ and hydrodynamic pressure u is given by ___________ |
| A. | σ’=0, u=12 |
| B. | σ’=10+∆σ’, u=2-∆σ’ |
| C. | σ’=10, u=2 |
| D. | σ’=12, u=0 |
| Answer» E. | |
| 4. |
In the spring analogy of consolidation, cylinder is filled with water up to bottom of piston and spring carries 10 units of load. If external two units of load is applied and the valve is partly opened, then the effective pressure σ’ and hydrodynamic pressure u is given by ___________ |
| A. | σ’=0, u=12 |
| B. | σ’=10+∆σ’, u=2-∆σ’ |
| C. | σ’=10, u=2 |
| D. | σ’=12, u=0 |
| Answer» C. σ’=10, u=2 | |
| 5. |
In the spring analogy of consolidation, cylinder is filled with water up to bottom of piston and spring carries 10 units of load. If external two units of load is applied and the valve closed, then the effective pressure σ’ and hydrodynamic pressure u is given by ___________ |
| A. | σ’=0, u=12 |
| B. | σ’=0, u=0 |
| C. | σ’=10, u=2 |
| D. | σ’=12, u=0 |
| Answer» D. σ’=12, u=0 | |
| 6. |
The mechanics of consolidation was demonstrated by ___________ |
| A. | Taylor |
| B. | Skempton |
| C. | Terzaghi |
| D. | Darcy |
| Answer» D. Darcy | |
| 7. |
The compressibility of clays may also be caused by the following factor. |
| A. | changes in salinity |
| B. | ion exchange |
| C. | expulsion of double layer water from between the grains |
| D. | swelling of clay |
| Answer» D. swelling of clay | |
| 8. |
Slow vertical deformation occurs when a compressive load is applied to a laterally confined layer of sand. |
| A. | True |
| B. | False |
| Answer» C. | |
| 9. |
Compression of soil, under short duration of moving or vibratory loads is _________ |
| A. | saturation |
| B. | compressibility |
| C. | swelling |
| D. | compaction |
| Answer» E. | |
| 10. |
If increases in the water content due to an increase in the volume of voids is known as _________ |
| A. | compression |
| B. | compressibility |
| C. | swelling |
| D. | consolidation |
| Answer» D. consolidation | |
| 11. |
The compression resulting from a long term static load and consequent escape of pore water is _____________ |
| A. | compression |
| B. | compressibility |
| C. | tension |
| D. | consolidation |
| Answer» E. | |
| 12. |
When stress is applied to soil mass, the elastic deformation of solid particles is ____________ |
| A. | extremely large |
| B. | large |
| C. | small |
| D. | negligibly small |
| Answer» E. | |
| 13. |
Every process involving a decrease in the water content of a saturated soil without replacement of water by air is called _________ |
| A. | compression |
| B. | compressibility |
| C. | tension |
| D. | consolidation |
| Answer» E. | |
| 14. |
The property of soil mass pertaining to its susceptibility to decrease in volume under pressure is ____________ |
| A. | compression |
| B. | compressibility |
| C. | tension |
| D. | consolidation |
| Answer» C. tension | |
| 15. |
The decrease in the volume of soil mass under stress is known as __________ |
| A. | compression |
| B. | compressibility |
| C. | tension |
| D. | consolidation |
| Answer» B. compressibility | |