Explore topic-wise MCQs in Fluid Mechanics.

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 top width of a triangular channel is 6m and the side slope of the channel is 1H:3V. Calculate the velocity of flow.

A. 5.54 m/s
B. 6.64 m/s
C. 7.64 m/s
D. 8.64 m/s
Answer» C. 7.64 m/s
2.

Calculate the Froude s number for a triangular channel having depth 4m and side slope of 1H:4V. V = 1m/s.

A. 0.52
B. 0.42
C. 0.32
D. 0.22
Answer» E.
3.

Calculate the value of Fr if the value of hydraulic depth is 0.56m and the velocity of flow is 2.5 m/s.

A. 1.0
B. 1.5
C. 2.0
D. 2.5
Answer» C. 2.0
4.

Calculate Froude s number for a rectangular channel having depth 5m and velocity of flow is 5.94 m/s.

A. 1.0
B. 1.2
C. 1.4
D. 1.6
Answer» C. 1.4
5.

For a critical flow Froude s number is equal to 1.

A. True
B. False
Answer» B. False
6.

The maximum discharge through a trapezoidal channel is 74.28 m3/s. Calculate the critical depth of the channel is the side slope is equal to 1H:3V. B = 5m.

A. 2m
B. 3m
C. 4m
D. 5m
Answer» C. 4m
7.

The critical depth and base width of a trapezoidal channel is 2m and 5m respectively. Calculate the maximum discharge if the side slope of the channel is 1H:2V.

A. 29.21 m<sup>3</sup>/s
B. 39.21 m<sup>3</sup>/s
C. 49.21 m<sup>3</sup>/s
D. 50.21 m<sup>3</sup>/s
Answer» D. 50.21 m<sup>3</sup>/s
8.

Calculate the side slope of a triangular channel if the maximum discharge is 48.82 m3/s and the critical depth of the channel is 6m.

A. 1H:2V
B. 1H:3V
C. 1H:4V
D. 1H:5V
Answer» D. 1H:5V
9.

Calculate the maximum discharge through a triangular channel having a side slope of 1H:2V and the critical depth is 3m.

A. 15.26 m<sup>3</sup>/s
B. 16.26 m<sup>3</sup>/s
C. 17.26 m<sup>3</sup>/s
D. 18.26 m<sup>3</sup>/s
Answer» D. 18.26 m<sup>3</sup>/s