6 24 Water flows at a depth of 2 m in a 3 m wide rectangular channel. At a downstream section the width is 2.3 m, the channel bed is raised 300 mm, and the water surface drops by 125 mm. (a) What is the flow rate? [Ans. 7.116 m/s.] (b) What should be the bed elevation at the contracted section if the water surface is to remain level?
6 24 Water flows at a depth of 2 m in a 3 m wide rectangular channel. At a downstream section the width is 2.3 m, the channel bed is raised 300 mm, and the water surface drops by 125 mm. (a) What is the flow rate? [Ans. 7.116 m/s.] (b) What should be the bed elevation at the contracted section if the water surface is to remain level?
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![6.24 Water flows at a depth of 2 m in a 3 m wide rectangular channel. At a downstream
section the width is 2.3 m, the channel bed is raised 300 mm, and the water surface drops by
125 mm.
(a) What is the flow rate?
[Ans. 7.116 m³/s.]
(b) What should be the bed elevation at the contracted section if the water surface is
to remain level?
[Ans. - 0.609 m.]
da nt ha inlet hae a horizontal bed. If](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F147b17ac-fb56-44df-a8f1-13dc056d368e%2F2c074c6a-9628-4da2-b5e7-a46efbc0fbad%2Fpohuys_processed.jpeg&w=3840&q=75)
Transcribed Image Text:6.24 Water flows at a depth of 2 m in a 3 m wide rectangular channel. At a downstream
section the width is 2.3 m, the channel bed is raised 300 mm, and the water surface drops by
125 mm.
(a) What is the flow rate?
[Ans. 7.116 m³/s.]
(b) What should be the bed elevation at the contracted section if the water surface is
to remain level?
[Ans. - 0.609 m.]
da nt ha inlet hae a horizontal bed. If
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