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This section includes 12 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 conveyance of a circular channel of diameter 0.7m having manning s co efficient equal to 0.012. |
A. | 6.83m<sup>3</sup>/s |
B. | 7.83m<sup>3</sup>/s |
C. | 8.83m<sup>3</sup>/s |
D. | 9.83m<sup>3</sup>/s |
Answer» E. | |
2. |
Determine the conveyance of a triangular section having area 30m^2 and perimeter 15m. (C = 40) |
A. | 1695m<sup>3</sup>/s |
B. | 1696m<sup>3</sup>/s |
C. | 1697m<sup>3</sup>/s |
D. | 1698m<sup>3</sup>/s |
Answer» D. 1698m<sup>3</sup>/s | |
3. |
Determine the conveyance of a trapezoidal channel having depth 3m, width 9m, side slope 1H:2V and the manning s co efficient is 0.03. |
A. | 864.79m<sup>3</sup>/s |
B. | 865.79m<sup>3</sup>/s |
C. | 866.79m<sup>3</sup>/s |
D. | 867.79m<sup>3</sup>/s |
Answer» C. 866.79m<sup>3</sup>/s | |
4. |
Calculate the conveyance of a rectangular channel having depth 0.5m and width 0.8m. C = 50. |
A. | 6.42m<sup>3</sup> s |
B. | 7.42m<sup>3</sup> s |
C. | 8.42m<sup>3</sup> s |
D. | 9.42m<sup>3</sup> s |
Answer» E. | |
5. |
Calculate the average shear stress if the friction factor is 0.28 and velocity of flow is 1.5m s. |
A. | 60N/m<sup>2</sup> |
B. | 70N/m<sup>2</sup> |
C. | 80N/m<sup>2</sup> |
D. | 90N/m<sup>2</sup> |
Answer» D. 90N/m<sup>2</sup> | |
6. |
Estimate the value of Chezy s constant if the value of the friction factor is 0.031. |
A. | 35 |
B. | 40 |
C. | 45 |
D. | 50 |
Answer» E. | |
7. |
Determine the average shear stress of a trapezoidal channel having base width 6m, depth 5m and side slope 1H:3V if the bed slope of the channel is 1 in 700. |
A. | 28.45N/m<sup>2</sup> |
B. | 38.45N/m<sup>2</sup> |
C. | 48.45N/m<sup>2</sup> |
D. | 58.45N/m<sup>2</sup> |
Answer» B. 38.45N/m<sup>2</sup> | |
8. |
The average shear stress for a circular channel running full is 32.7N m2 and the diameter of the channel is 8m then calculate the bed slope of the channel. |
A. | 1 in 500 |
B. | 1 in 600 |
C. | 1 in 700 |
D. | 1 in 800 |
Answer» C. 1 in 700 | |
9. |
Calculate the bed slope of a triangular channel having depth 12m and side slope of 1H:6V if the average shear stress is 9.6138 N/m2. |
A. | 1 in 500 |
B. | 1 in 1000 |
C. | 1 in 1500 |
D. | 1 in 2000 |
Answer» C. 1 in 1500 | |
10. |
The dimensions of a rectangular channel section are 3m in width and 1m in depth. Calculate the average shear stress if the bed slope of the channel is 1 in 500. |
A. | 9.772 N/m<sup>2</sup> |
B. | 10.772N/m<sup>2</sup> |
C. | 11.772N/m<sup>2</sup> |
D. | 12.772N/m<sup>2</sup> |
Answer» D. 12.772N/m<sup>2</sup> | |
11. |
A circular section which is (3/4)th full is having a wetted perimeter of 9.42m. Calculate the value of C if n is equal to 0.025. |
A. | 30 |
B. | 40 |
C. | 50 |
D. | 60 |
Answer» C. 50 | |
12. |
The area of a circular section which is running half full is 19.625m2 and the value of the chezy s constant is 60. |
A. | 0.019 |
B. | 0.020 |
C. | 0.021 |
D. | 0.022 |
Answer» B. 0.020 | |