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This section includes 7 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. |
Estimate the type of flow in a channel having cross sectional area of 50m2 and top of the channel is 5m. The mean velocity of flow is 0.1m/s and the absolute viscosity of water is 0.625 N-s/m2. |
A. | Laminar |
B. | Turbulent |
C. | Transition |
D. | Steady |
Answer» D. Steady | |
2. |
Calculate the Froude’s number for a channel having discharge of 261.03m3/s, cross sectional area of 42m2 and the top width being 6m. |
A. | 0.65 |
B. | 0.72 |
C. | 0.38 |
D. | 0.75 |
Answer» E. | |
3. |
Estimate the section factor for a channel section having cross sectional area of 40m2 and hydraulic depth of 6m. |
A. | 94.3 |
B. | 95.6 |
C. | 97.9 |
D. | 100 |
Answer» D. 100 | |
4. |
Calculate the mean hydraulic depth of a channel having top width of 7m and cross sectional area of 35m2. |
A. | 4m |
B. | 5m |
C. | 6m |
D. | 7m |
Answer» C. 6m | |
5. |
Calculate the mean hydraulic radius for a channel having 20m2 cross sectional area and 50m of wetted perimeter. |
A. | 0.4m |
B. | 0.5m |
C. | 0.6m |
D. | 0.7m |
Answer» B. 0.5m | |
6. |
What is the Froude’s number for a channel having mean velocity 4.34 m/s and mean hydraulic depth of 3m? |
A. | 0.4m |
B. | 0.6m |
C. | 0.7m |
D. | 0.8m |
Answer» E. | |
7. |
The Froude’s number for a flow in a channel section is 1. What type of flow is it? |
A. | Sub Critical |
B. | Critical |
C. | Super critical |
D. | Tranquil |
Answer» C. Super critical | |