MCQOPTIONS
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MCQOPTIONS
This section includes 9 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 foundation pressure used in the pressure grouting is equal to _________________ |
| A. | 2.0 D N/cm2 |
| B. | 2.5 D N/cm2 |
| C. | 5.0 D N/cm2 |
| D. | 3.0 D N/cm2 |
| Answer» C. 5.0 D N/cm2 | |
| 2. |
Which of the following joints justifies the two-dimensional analysis of gravity dams? |
| A. | Longitudinal joints |
| B. | Transverse joints |
| C. | Construction joints |
| D. | Contraction joints |
| Answer» C. Construction joints | |
| 3. |
The horizontal joints that extends through the entire width of the dam section and are developed at each lift height is called as ___________________ |
| A. | transverse joints |
| B. | longitudinal joints |
| C. | construction joints |
| D. | contraction joints |
| Answer» C. construction joints | |
| 4. |
The general value of lift for concrete is taken as __________________ |
| A. | 1.5 m |
| B. | 2.5 m |
| C. | 3 m |
| D. | 4 m |
| Answer» B. 2.5 m | |
| 5. |
In order to reduce uplift on a gravity dam, the type of grouting done is ____________________ |
| A. | curtain grouting near the heel |
| B. | consolidation grouting near the heel |
| C. | curtain grouting near the toe |
| D. | consolidation grouting near the toe |
| Answer» B. consolidation grouting near the heel | |
| 6. |
Leakage through the transverse joints in a gravity dam is prevented by ____________ |
| A. | shear keys |
| B. | keyways |
| C. | water stops |
| D. | galleries |
| Answer» D. galleries | |
| 7. |
Transverse joints in concrete gravity dams are the ___________________________ |
| A. | horizontal construction joints at each lift height |
| B. | vertical construction joints of full height and width |
| C. | diagonal construction joints for torsion |
| D. | longitudinal construction joints of full width |
| Answer» C. diagonal construction joints for torsion | |
| 8. |
Which of the following attempts are made to reduce the uplift in order to economize on the provided section of a concrete gravity dam?i. Providing drainage gallery to collect seepage waterii. Constructing cut-off under upstream faceiii. Pressure grouting in dam foundationiv. Provision of shear keys or keyways |
| A. | i and ii |
| B. | i, ii and iii |
| C. | i, ii and iv |
| D. | i, ii, iii and iv |
| Answer» C. i, ii and iv | |
| 9. |
The provision of drainage gallery in a gravity dam helps in reducing ____________________ |
| A. | hydrostatic pressure |
| B. | seepage pressure |
| C. | silt pressure |
| D. | both hydrostatic pressure and seepage pressure |
| Answer» C. silt pressure | |