MCQOPTIONS
Saved Bookmarks
This section includes 8 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 drainage property of silty clay is ________ |
| A. | very good |
| B. | good |
| C. | fair |
| D. | very poor |
| Answer» E. | |
| 2. |
The linear dependency between velocity of flow and hydraulic gradient exists if effective size of soil _______ |
| A. | does not exceed 3mm |
| B. | exceeds 3mm |
| C. | equal to 3mm |
| D. | equal to 5mm |
| Answer» B. exceeds 3mm | |
| 3. |
The critical Reynolds number varies from ________ for validity of Darcy s law. |
| A. | 0.1-75 |
| B. | 75-100 |
| C. | 100-175 |
| D. | 175-200 |
| Answer» B. 75-100 | |
| 4. |
Darcy s law in some cases is not valid in ______ |
| A. | clay |
| B. | silt |
| C. | fine sand |
| D. | coarse-gravel |
| Answer» E. | |
| 5. |
For flow through soils, the characteristic length in Reynolds number is taken as ________ |
| A. | uniformity coefficient |
| B. | coefficient of curvature |
| C. | coefficient of percolation |
| D. | average diameter of the particles |
| Answer» C. coefficient of percolation | |
| 6. |
For Darcy s law to be valid, the Reynolds number should be ________ |
| A. | greater than one |
| B. | less than one |
| C. | equal to one |
| D. | greater than five |
| Answer» C. equal to one | |
| 7. |
Darcy s law of linear dependency is valid for only _______ flow conditions in soil. |
| A. | laminar and turbulent |
| B. | laminar |
| C. | turbulent |
| D. | intermediate |
| Answer» B. laminar | |
| 8. |
The coefficient of permeability is equal to velocity of flow when _________ |
| A. | hydraulic gradient is equal to one |
| B. | hydraulic gradient is less than one |
| C. | hydraulic gradient is greater than one |
| D. | hydraulic gradient is equal to zero |
| Answer» B. hydraulic gradient is less than one | |