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. |
Estimate the specific energy for the most economical trapezoidal channel section having depth of 5m, side slope of 1H:4V and bed slope of 1 in 1200. |
| A. | 1.14m |
| B. | 2.14m |
| C. | 3.14m |
| D. | 4.14m |
| Answer» C. 3.14m | |
| 2. |
Calculate the specific energy for the most economical rectangular channel having depth 2m and width 4m if the bed slope of the channel is 1 in 1200. C = 35. |
| A. | 2.05m |
| B. | 3.05m |
| C. | 4.05m |
| D. | 5.05m |
| Answer» B. 3.05m | |
| 3. |
Calculate the average shear stress for a rectangular channel having depth 0.5m, width 0.8m if the specific energy is 0.56m. |
| A. | 2.32 N/m2 |
| B. | 3.32 N/m2 |
| C. | 4.32 N/m2 |
| D. | 5.32 N/m2 |
| Answer» D. 5.32 N/m2 | |
| 4. |
The specific energy of a rectangular channel having dimensions 2m×3m is 3.095m. Calculate the friction factor. |
| A. | 0.01 |
| B. | 0.02 |
| C. | 0.03 |
| D. | 0.04 |
| Answer» D. 0.04 | |
| 5. |
What are y1 and y2 in the adjoining graph? |
| A. | Conjugate depths |
| B. | Alternate depths |
| C. | Equal depths |
| D. | Sequent depths |
| Answer» C. Equal depths | |
| 6. |
Calculate the velocity of flow through a channel having depth of 1.2m and specific energy equal to 1.24m. |
| A. | 0.6 m/s |
| B. | 0.7 m/s |
| C. | 0.8m/s |
| D. | 0.9m/s |
| Answer» E. | |
| 7. |
The specific energy of a channel section is 1.01m and the velocity of flow is 0.5m⁄s, calculate the depth of flow. |
| A. | 0.8m |
| B. | 1.0m |
| C. | 1.2m |
| D. | 1.4m |
| Answer» C. 1.2m | |
| 8. |
The depth of a trapezoidal channel section is 2m, base width of 3m and has a side slope of 1H:2V. Calculate n if the bed slope is 1 in 1000. |
| A. | 0.012 |
| B. | 0.013 |
| C. | 0.014 |
| D. | 0.015 |
| Answer» C. 0.014 | |
| 9. |
The dimensions of a rectangular channel are 3m in depth and 4m in width. Calculate the bed slope of the channel if the specific energy is 3.13m. [C=50] |
| A. | 1 in 1000 |
| B. | 1 in 1100 |
| C. | 1 in 1200 |
| D. | 1 in 1300 |
| Answer» D. 1 in 1300 | |