MCQOPTIONS
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MCQOPTIONS
This section includes 11 Mcqs, each offering curated multiple-choice questions to sharpen your Fluid Mechanics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Estimate the value of the manning s constant for a fully running circular section having diameter of 8m and the value of Chezy s constant is 50. |
| A. | 0.022 |
| B. | 0.032 |
| C. | 0.042 |
| D. | 0.052 |
| Answer» B. 0.032 | |
| 2. |
Determine the value of Chezy s constant for a trapezoidal channel having depth 3m, base width 11m, side slope 1H:3V and the manning s co efficient is 0.012. |
| A. | 94.15 |
| B. | 94.25 |
| C. | 94.35 |
| D. | 94.45 |
| Answer» B. 94.25 | |
| 3. |
The side slope of a triangular channel section is 1H:4V and the depth is 12m. Calculate the value of chezy s constant if the value of manning s constant is 0.03. |
| A. | 32.48 |
| B. | 33.48 |
| C. | 34.48 |
| D. | 35.48 |
| Answer» E. | |
| 4. |
Determine the value of manning s constant for a rectangular channel if Chezy s constant is equal to 50 and the depth and widths of the channel are 4m and 7m respectively. |
| A. | 0.012 |
| B. | 0.022 |
| C. | 0.032 |
| D. | 0.042 |
| Answer» C. 0.032 | |
| 5. |
The discharge through a trapezoidal channel is 245.06m3 s and the bed slope is 1 in 1000. Calculate the value of the wetted area if the hydraulic radius is 2.26m. Manning s roughness co efficient = 0.008. |
| A. | 34m<sup>2</sup> |
| B. | 35m<sup>2</sup> |
| C. | 36m<sup>2</sup> |
| D. | 37m<sup>2</sup> |
| Answer» D. 37m<sup>2</sup> | |
| 6. |
The area of the triangular section is 66.67m2 and the wetted perimeter of the section is 24.03m. Calculate the value of the manning s roughness co efficient if the bed slope of the channel section is 1 in 500 and the discharge through the channel is 117.61m3 s. |
| A. | 0.03 |
| B. | 0.04 |
| C. | 0.05 |
| D. | 0.06 |
| Answer» D. 0.06 | |
| 7. |
The area of a channel section is 8m2 and the wetted perimeter is 8m. Calculate the value of the bed slope of the channel if the discharge is 33.33m3 s and manning s co efficient is 0.012. |
| A. | 1 in 300 |
| B. | 1 in 400 |
| C. | 1 in 500 |
| D. | 1 in 600 |
| Answer» C. 1 in 500 | |
| 8. |
The diameter of a circular channel section which is running full is 8m. Determine the discharge through the channel section if the bed slope is 1 in 600 and the value of the manning s co efficient is 0.013. |
| A. | 249.45m<sup>3</sup> s |
| B. | 250.45m<sup>3</sup> s |
| C. | 251.45m<sup>3</sup> s |
| D. | 252.45m<sup>3</sup> s |
| Answer» C. 251.45m<sup>3</sup> s | |
| 9. |
A circular channel section has diameter of 6m and it is running half. Calculate the discharge through the channel if the bed slope is 1 in 600 and manning s co efficient is equal to 0.014. |
| A. | 52m<sup>3</sup> s |
| B. | 53m<sup>3</sup> s |
| C. | 54m<sup>3</sup> s |
| D. | 55m<sup>3</sup> s |
| Answer» D. 55m<sup>3</sup> s | |
| 10. |
Estimate the discharge through a triangular channel having depth 7m and side slope 1H:5V in which the bed slope is 1 in 1000. Manning s co efficient = 0.03. |
| A. | 8.07m<sup>3</sup> s |
| B. | 9.07m<sup>3</sup> s |
| C. | 10.07m<sup>3</sup> s |
| D. | 11.07m<sup>3</sup> s |
| Answer» B. 9.07m<sup>3</sup> s | |
| 11. |
A rectangular channel is having depth 2m and width 3m, bed slope of 1 in 700. The value of manning s roughness co efficient (n) is 0.06, estimate the discharge through the channel. |
| A. | 2.42m<sup>3</sup> s |
| B. | 3.42m<sup>3</sup> s |
| C. | 4.42m<sup>3</sup> s |
| D. | 5.42m<sup>3</sup> s |
| Answer» C. 4.42m<sup>3</sup> s | |