MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
A soil has a dry unit weight of 16.25 kN/m3 and saturated unit weight of 20 kN/m3. If the degree of saturation of soil is 50%, then its bulk unit weight will be ______ |
| A. | 20.748 kN/m<sup>3</sup> |
| B. | 17.628 kN/m<sup>3</sup> |
| C. | 18.123 kN/m<sup>3</sup> |
| D. | 19.246 kN/m<sup>3</sup> |
| Answer» D. 19.246 kN/m<sup>3</sup> | |
| 2. |
If a soil has a void ratio of 0.6 and a specific gravity of 2.7, then its submerged unit weight will be ______ |
| A. | 9.678 |
| B. | 11.502 |
| C. | 9.256 |
| D. | 10.423 |
| Answer» E. | |
| 3. |
If a soil has a saturated unit weight of 24.5 kN/m3, then its submerged unit weight will be ______ |
| A. | 15.69 |
| B. | 14.69 |
| C. | 9.81 |
| D. | 20.61 |
| Answer» D. 20.61 | |
| 4. |
A soil has a void ratio of 0.6, specific gravity as 2.65 and degree of saturation as 50%. What will be its bulk unit weight? |
| A. | 17 kN/m<sup>3</sup> |
| B. | 18 kN/m<sup>3</sup> |
| C. | 19 kN/m<sup>3</sup> |
| D. | 20 kN/m<sup>3</sup> |
| Answer» C. 19 kN/m<sup>3</sup> | |
| 5. |
If a soil has a void ratio of 0.64, specific gravity of solids as 2.65, then its saturated unit weight will be ______ |
| A. | 24.5 kN/m<sup>3</sup> |
| B. | 25 kN/m<sup>3</sup> |
| C. | 25.5 kN/m<sup>3</sup> |
| D. | 19.5 kN/m<sup>3</sup> |
| Answer» E. | |
| 6. |
If a solid has air content of 50%, then its degree of saturation will be ______ |
| A. | 40% |
| B. | 50% |
| C. | 30% |
| D. | 20% |
| Answer» C. 30% | |
| 7. |
A soil has porosity of 40% and air content of 50%.What will be its percentage air voids? |
| A. | 30% |
| B. | 60% |
| C. | 20% |
| D. | 50% |
| Answer» D. 50% | |
| 8. |
A soil has a void ratio of 0.6 and a specific gravity of solids as 2.7. What will be its dry unit weight? |
| A. | 15.5 kN/m<sup>3</sup> |
| B. | 16 kN/m<sup>3</sup> |
| C. | 16.5 kN/m<sup>3</sup> |
| D. | 17 kN/m<sup>3</sup> |
| Answer» D. 17 kN/m<sup>3</sup> | |
| 9. |
A soil has a dry unit weight of 17.5 kN/m3 and a water content of 20%. What will be its bulk unit weight? |
| A. | 18 kN/m<sup>3</sup> |
| B. | 19 kN/m<sup>3</sup> |
| C. | 20 kN/m<sup>3</sup> |
| D. | 21 kN/m<sup>3</sup> |
| Answer» E. | |
| 10. |
When the soil is fully saturated with its specific gravity of solids G=2.7 and voids ratio e=0.667, its water content is ______ |
| A. | 0.326 |
| B. | 0.247 |
| C. | 0.543 |
| D. | 1 |
| Answer» C. 0.543 | |
| 11. |
A soil sample has a dry density of 8.5 kN/m3, specific gravity of solids G as 2.7 and voids ratio of 0.6. If the unit weight of soil is 50% saturated, then its bulk unit weight will be ______ |
| A. | 19.274 kN/m<sup>3</sup> |
| B. | 23.034 kN/m<sup>3</sup> |
| C. | 20.554 kN/m<sup>3</sup> |
| D. | 21.428 kN/m<sup>3</sup> |
| Answer» D. 21.428 kN/m<sup>3</sup> | |
| 12. |
If the soil sample has porosity of 30% and specific gravity of solids G=2.7, then its dry unit weight will be ______ |
| A. | 18.350 kN/m<sup>3</sup> |
| B. | 18.535 kN/m<sup>3</sup> |
| C. | 18.640 kN/m<sup>3</sup> |
| D. | 18.545 kN/m<sup>3</sup> |
| Answer» C. 18.640 kN/m<sup>3</sup> | |