MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Irrigation Engineering knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
The only provision among the following which can help control the seepage through the body of an earthen dam and thus to keep the phreatic line well within the dam width is _________________ |
| A. | upstream impervious cut-off |
| B. | drain trench along the downstream toe |
| C. | relief wells |
| D. | chimney drain |
| Answer» E. | |
| 2. |
____________________ is provided when large scale stratification occurs. |
| A. | Chimney drain |
| B. | Cut-off |
| C. | Relief wells |
| D. | Trenches |
| Answer» B. Cut-off | |
| 3. |
The length of horizontal blanket should be equal to _________________ |
| A. | 3 times the height of the dam |
| B. | 4 times the height of the dam |
| C. | 5 times the height of the dam |
| D. | 6 times the height of the dam |
| Answer» B. 4 times the height of the dam | |
| 4. |
What is provided in the form of a transition zone between the homogenous embankments-fill and rock toe? |
| A. | Toe filter |
| B. | Horizontal blanket |
| C. | Chimney drain |
| D. | Trenches |
| Answer» B. Horizontal blanket | |
| 5. |
A rock toe and a horizontal filter is provided on the downstream base of an earthen dam in order to _________________ |
| A. | prevent piping action in the dam body |
| B. | prevent piping action in the dam foundation |
| C. | reduce the seepage quantity by blocking its flow |
| D. | collect and drain out the seepage flow |
| Answer» E. | |