MCQOPTIONS
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MCQOPTIONS
This section includes 5 Mcqs, each offering curated multiple-choice questions to sharpen your Fluid Mechanics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
If the side slope angle in a trapezoidal section is 45° and it discharges to the maximize extent, calculate the top width of the channel section. Given: y = 4m |
| A. | 10.31m |
| B. | 11.31m |
| C. | 12.31m |
| D. | 13.31m |
| Answer» C. 12.31m | |
| 2. |
The maximum discharge through the trapezoidal channel is 20 m3/s and the velocity of flow is 5 m/s. Calculate the base width of the channel if the side slope is 1H:4V. |
| A. | 3.31m |
| B. | 2.31m |
| C. | 1.31m |
| D. | 0.31m |
| Answer» C. 1.31m | |
| 3. |
Calculate the maximum discharge through a trapezoidal channel if the wetted perimeter is 6.24m, side slope of 1H:2V and base width of 4m. Given: C=55 and S0=1/1500. |
| A. | 3.52 m3/s |
| B. | 4.52 m3/s |
| C. | 5.52 m3/s |
| D. | 6.52 m3/s |
| Answer» C. 5.52 m3/s | |
| 4. |
Calculate the depth of the most economical trapezoidal channel section having wetted area equal to 50m2 and the side slope of 1H:5V. |
| A. | 3.21m |
| B. | 4.21m |
| C. | 5.21m |
| D. | 6.21m |
| Answer» D. 6.21m | |
| 5. |
The wetted area of a most economical trapezoidal section is 21.58m2, base width of 5m and side slope of 1H:3V. Calculate the maximum discharge through the channel if the C=60 and S0=1/500. |
| A. | 56.32 m3/ s |
| B. | 66.32 m3/ s |
| C. | 76.32 m3/ s |
| D. | 86.32 m3/ s |
| Answer» D. 86.32 m3/ s | |