Explore topic-wise MCQs in Fluid Mechanics.

This section includes 7 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 wetted area of a trapezoidal section is 15m^2 and the top width is 6m, calculate the section factor.

A. 23.72
B. 24.72
C. 25.72
D. 26.72
Answer» B. 24.72
2.

The top width of a trapezoidal channel is 12m, the bottom width of the channel is 6m and the side slope is 1H:2V, calculate the wetted perimeter.

A. 17.41m
B. 18.41m
C. 19.41m
D. 20.41m
Answer» D. 20.41m
3.

The product Zy in a Trapezoidal channel is 2 and the side slope is1/2. Calculate the wetted perimeter of the channel section if the wetted is 32m2.

A. 13.94m
B. 14.94m
C. 15.94m
D. 16.94m
Answer» C. 15.94m
4.

Calculate the top width of a trapezoidal channel section having a side slope1H:4V, base of 5m and the wetted area is 17.25m2.

A. 5.5m
B. 6.5m
C. 7.5m
D. 8.5m
Answer» C. 7.5m
5.

Calculate the side slope of a trapezoidal channel section having base 8m, depth 4m and the hydraulic radius is 2.36m.

A. 1 6
B. 1 3
C. 1 2
D. 1 4
Answer» D. 1 4
6.

Estimate the discharge of water in a trapezoidal channel section having a depth 3m, width of 6m, side slope of 1H:2V and velocity of water is 2m s.

A. 40m3 s
B. 45m3 s
C. 50m3 s
D. 55m3 s
Answer» C. 50m3 s
7.

Estimate the wetted perimeter of a trapezoidal section of depth y, base B and side slope Z.

A. B+2y ( sqrt{1+Z^2} )
B. B+y ( sqrt{1+Z^2} )
C. 2y ( sqrt{1+Z^2} )
D. y ( sqrt{1+Z^2} )
Answer» B. B+y ( sqrt{1+Z^2} )