MCQOPTIONS
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MCQOPTIONS
This section includes 9 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. |
The discharge through a circular channel section is 14.67m3/s and the velocity of flow is 1.47m/s, calculate the radius of the section if Ɵ = 75°. |
| A. | 2m |
| B. | 3m |
| C. | 4m |
| D. | 5m |
| Answer» E. | |
| 2. |
The hydraulic radius of a circular channel section is 0.33m, calculate the radius of the channel if the central angle is 60°. |
| A. | 2m |
| B. | 3m |
| C. | 4m |
| D. | 5m |
| Answer» D. 5m | |
| 3. |
Calculate the hydraulic radius of a circular channel if the radius is 6m and the central angle is 70°. |
| A. | 0.58m |
| B. | 0.68m |
| C. | 0.78m |
| D. | 0.88m |
| Answer» C. 0.78m | |
| 4. |
Estimate the discharge through a circular channel section having radius 4m and depth 3m if the channel bed slope is 1 in 2000. Given: n = 0.015. |
| A. | 15.8 m3/s |
| B. | 16.8 m3/s |
| C. | 17.8 m3/s |
| D. | 18.8 m3/s |
| Answer» D. 18.8 m3/s | |
| 5. |
Calculate the discharge through a circular channel section if the depth is 5m, radius of the circular section is 3m and the bed slope is 1 in 1000. Given: C = 50. |
| A. | 25.74 m3/s |
| B. | 26.74 m3/s |
| C. | 27.74 m3/s |
| D. | 28.74 m3/s |
| Answer» D. 28.74 m3/s | |
| 6. |
Calculate the hydraulic radius of a circular channel having depth 6m and radius 4m. |
| A. | 0.41m |
| B. | 1.41m |
| C. | 2.41m |
| D. | 3.41m |
| Answer» D. 3.41m | |
| 7. |
Calculate the wetted perimeter of a circular channel if the depth of water is 2m and radius is 5m. |
| A. | 9.27m |
| B. | 10.27m |
| C. | 11.27m |
| D. | 12.27m |
| Answer» B. 10.27m | |
| 8. |
A circular channel section has water at a depth of 2m and the radius of the section is 4m, calculate the wetted area of the channel. |
| A. | 6.87m2 |
| B. | 7.87m2 |
| C. | 8.87m2 |
| D. | 9.87m2 |
| Answer» E. | |
| 9. |
Estimate the wetted perimeter of a circular channel having radius R and depth d, if the angle subtended at the centre is Ɵ. |
| A. | RƟ⁄2 |
| B. | RƟ |
| C. | 2RƟ |
| D. | 3RƟ |
| Answer» D. 3RƟ | |