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This section includes 5 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. |
Find the discharge over a cipolletti weir of length 1.3 m when the head over the weir is 0.65 m. Take Cd = 0.60. |
A. | 2.12 m<sup>3</sup>/s |
B. | 1.21 m<sup>3</sup>/s |
C. | 2.5 m<sup>3</sup>/s |
D. | 1.5 m<sup>3</sup>/s |
Answer» C. 2.5 m<sup>3</sup>/s | |
2. |
Find the discharge over a cipolletti weir of length 1.5 m when the head over the weir is 0.85 m. Take Cd = 0.61. |
A. | 2.12 m<sup>3</sup>/s |
B. | 1.25 m<sup>3</sup>/s |
C. | 2.5 m<sup>3</sup>/s |
D. | 1.5 m<sup>3</sup>/s |
Answer» B. 1.25 m<sup>3</sup>/s | |
3. |
The head of water over a rectangular weir is 26 cm. The length of the crest of the weir end contraction suppressed is 1.25 m. Find the discharge using the Francis formula. |
A. | 0.304 m<sup>3</sup>/s |
B. | 0.502 m<sup>3</sup>/s |
C. | 0.350 m<sup>3</sup>/s |
D. | 0.625 m<sup>3</sup>/s |
Answer» B. 0.502 m<sup>3</sup>/s | |
4. |
In Bazin s formula, the discharge is inversely proportional to the length of weir. |
A. | True |
B. | False |
Answer» C. | |
5. |
In Francis formula, the effective length is |
A. | L-0.2H |
B. | L-0.4H |
C. | L-0.3H |
D. | L-0.1H |
Answer» B. L-0.4H | |