MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 10 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. |
The volume if voids of a rhombohedral array of spherical grains with α=75° is _______ |
| A. | 0.4266 |
| B. | 0.7439 |
| C. | 0.3895 |
| D. | 0.3595 |
| Answer» D. 0.3595 | |
| 2. |
The minimum possible void ratio of uniformly graded spherical grains is _______ |
| A. | 0.2 |
| B. | 0.25 |
| C. | 0.30 |
| D. | 0.35 |
| Answer» E. | |
| 3. |
The total volume of rhombohedron with face angle 60° is _______ |
| A. | 0.5 |
| B. | 0.7071 |
| C. | 0.9099 |
| D. | 1 |
| Answer» C. 0.9099 | |
| 4. |
In the densest state of packing, each sphere is in contact with ______ neighbouring spheres. |
| A. | 6 |
| B. | 12 |
| C. | 8 |
| D. | 18 |
| Answer» C. 8 | |
| 5. |
The volume of solids in a unit cell is constant. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
The volume of the solids in a unit cell is given by ______ |
| A. | π/6 |
| B. | π/4 |
| C. | π/6 |
| D. | 2π/3 |
| Answer» D. 2π/3 | |
| 7. |
The porosity of intermediate packing factor is given by ______ |
| A. | n = 1-[1/(6*(1-cosα)*( √(1-2cosα) )] |
| B. | n = (1-cosα)*( √(1+2cosα) ) |
| C. | n = 1-[π/(6*(1-cosα)*(√(1-2cosα))] |
| D. | n = 6*(1-cosα)*(√(1-2cosα)) |
| Answer» D. n = 6*(1-cosα)*(√(1-2cosα)) | |
| 8. |
The angle of orientation of the spheres in the maximum possible voids ratio is ______ |
| A. | 60° |
| B. | 90° |
| C. | 30° |
| D. | 75° |
| Answer» C. 30° | |
| 9. |
The porosity of cubic packing is ______ |
| A. | 42.66% |
| B. | 47.64% |
| C. | 25.95% |
| D. | 30.21% |
| Answer» C. 25.95% | |
| 10. |
The loosest stable arrangement of equal sized spheres is obtained when the sphere centres form a ______ space lattice. |
| A. | triangular |
| B. | rhombohedral |
| C. | rectangular |
| D. | hexagonal |
| Answer» D. hexagonal | |