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 wet soil mass, air occupies one-seventh of its volume and water occupies one- eighth of its volume. The void ratio of the soil is ______ |
| A. | 0.25 |
| B. | 0.36 |
| C. | 0.43 |
| D. | 1 |
| Answer» C. 0.43 | |
| 2. |
What will be the degree of saturation of a soil sample whose specific gravity G=2.7, void ratio e=0.66 and water content w=20%? |
| A. | 85.88% |
| B. | 90.91% |
| C. | 81.81% |
| D. | 92.92% |
| Answer» D. 92.92% | |
| 3. |
The range of degree of saturation is between 0 and 0.25 for a humid soil sample. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
The relationship between porosity n and void ratio e is given by _______ |
| A. | 1+n= 1/(1+e) |
| B. | 1-n= 1/(1+e) |
| C. | n= 1/e |
| D. | n= 1/(1+e) |
| Answer» C. n= 1/e | |
| 5. |
The degree of saturation is defined as the ratio of _____ |
| A. | volume of water to total volume of voids |
| B. | volume of air voids to volume of total voids |
| C. | volume of air voids to volume of water |
| D. | volume of voids to total volume of the soil mass |
| Answer» B. volume of air voids to volume of total voids | |
| 6. |
For a perfectly dry sample, the degree of saturation is equal to zero. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
The air content ratio is defined as the ratio of _____ |
| A. | volume of air voids to total volume of the soil mass |
| B. | volume of air voids to volume of total voids |
| C. | volume of air voids to volume of water |
| D. | volume of voids to total volume of the soil mass |
| Answer» C. volume of air voids to volume of water | |
| 8. |
If air content and degree of saturation are represented as ac and S respectively, then the relationship between them is ________ |
| A. | a<sub>c</sub>= 1/S |
| B. | a<sub>c</sub>=1-S |
| C. | S=1+a<sub>c</sub> |
| D. | S=a<sub>c</sub> |
| Answer» C. S=1+a<sub>c</sub> | |
| 9. |
The percentage void ratio is defined as the ratio of _____ |
| A. | volume of air voids to total volume of the soil mass |
| B. | volume of air voids to volume of total voids |
| C. | volume of air voids to volume of water |
| D. | volume of voids to total volume of the soil mass |
| Answer» B. volume of air voids to volume of total voids | |
| 10. |
For a fully saturated soil sample, the degree of saturation is ______ |
| A. | 0 |
| B. | 0.5 |
| C. | 0.8 |
| D. | 1 |
| Answer» E. | |
| 11. |
For a soil sample, the ratio of saturated unit weight to dry unit weight is equal to 1.2 and specific gravity of solids G is 2.65, then its void ratio will be _____ |
| A. | 0.58 |
| B. | 0.66 |
| C. | 0.53 |
| D. | 0.94 |
| Answer» C. 0.53 | |
| 12. |
If the porosity of a soil sample is 22%, then what will be its void ratio? |
| A. | 0.3 |
| B. | 0.27 |
| C. | 0.28 |
| D. | 0.25 |
| Answer» D. 0.25 | |
| 13. |
Void ratio is the ratio of _____ |
| A. | volume of voids to total volume |
| B. | volume of voids to volume of solids |
| C. | volume of solids to volume of voids |
| D. | volume of soil mass to volume of voids |
| Answer» C. volume of solids to volume of voids | |
| 14. |
______ is independent of the total volume of the soil mass. |
| A. | Bulk unit weight |
| B. | Dry unit weight |
| C. | Submerged unit weight |
| D. | Unit weight of solids |
| Answer» E. | |
| 15. |
What will be the porosity of a soil sample whose void ratio is 0.35? |
| A. | 19.5% |
| B. | 40.65% |
| C. | 25.9% |
| D. | 30% |
| Answer» D. 30% | |