Explore topic-wise MCQs in Fluid Mechanics.

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
Discussion
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
Discussion
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
Discussion
4.

In Bazin s formula, the discharge is inversely proportional to the length of weir.

A. True
B. False
Answer» C.
Discussion
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
Discussion