MCQOPTIONS
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MCQOPTIONS
This section includes 12 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. |
Which of the following line acts as a dividing line between dry (or moist) and submerged line? |
| A. | Equipotential line |
| B. | Path line |
| C. | Seepage line |
| D. | Streak line |
| Answer» D. Streak line | |
| 2. |
The effects of capillary fringe are on the slightly safer side and are neglected. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
The upstream face of the earth dam is considered as _____________________ |
| A. | equipotential line |
| B. | streamline |
| C. | streak line |
| D. | path line |
| Answer» B. streamline | |
| 4. |
During seepage through an earthen mass, the direction of seepage is ________________ to the equipotential lines. |
| A. | perpendicular |
| B. | parallel |
| C. | not defined |
| D. | diagonal |
| Answer» B. parallel | |
| 5. |
Provision of horizontal berms at suitable vertical intervals may be provided in the downstream face of an earthen dam in order to _________________ |
| A. | allow the movement of cattle |
| B. | allow the inspection of vehicles to move |
| C. | reduce the erosion caused by the flowing rainwater |
| D. | increase the erosion |
| Answer» D. increase the erosion | |
| 6. |
A phreatic line in seepage analysis is defined as the line on which pressure is _______________ |
| A. | equal to the atmosphere |
| B. | greater than atmosphere |
| C. | lower than atmosphere |
| D. | varying |
| Answer» B. greater than atmosphere | |
| 7. |
Calculate the top width (A) of the earth dam of height 50 m. |
| A. | 5.0 m |
| B. | 4.75 m |
| C. | 6.10 m |
| D. | 3 m |
| Answer» D. 3 m | |
| 8. |
When the height of the dam is in between 7.5 to 15, the Strange s recommended value for maximum freeboard of low earth dams is ______________ |
| A. | 1.2 to 1.5 |
| B. | 1.5 to 1.8 |
| C. | 1.85 |
| D. | 2.1 |
| Answer» D. 2.1 | |
| 9. |
If the height of the dam is 10 m, then the value of top width (A) according to Strange s recommendations is _________________ |
| A. | 1.85 m |
| B. | 2.5 m |
| C. | 3.0 m |
| D. | 4.0 m |
| Answer» C. 3.0 m | |
| 10. |
What is the Terzaghi s recommended value of U/s side slope for earth dam of height less than 15m of homogenous silty clay? |
| A. | 2: 1 |
| B. | 2.5: 1 |
| C. | 3: 1 |
| D. | 3.5: 1 |
| Answer» C. 3: 1 | |
| 11. |
What is the recommended formula for top width of a very low dam? |
| A. | H + 3 |
| B. | 0.2H + 3 |
| C. | 0.2 H |
| D. | H + 5 |
| Answer» C. 0.2 H | |
| 12. |
What is the U.S.B.R recommended value for freeboard when the height of the dam is more than 60 m? |
| A. | 2 m to 3 m |
| B. | 2.5 m above the top of gates |
| C. | 3 m above the top of gates |
| D. | More than 3 m |
| Answer» D. More than 3 m | |