The flow section below shows an open channel with a slope of 0.00045 wherein: - for the main channel, n = 0.023 and for the floodplain on one side of the main channel, n is twice that of the main channel. "earth canal" 1.4m flood plain (about 200 m long) 2.5 m 2 18m Determine the flow velocity for the flood plain segment of the open channel. 0.574 m/s 2.516 m/s 1.941 m/s 1.258 m/s None of the choices 11 2
The flow section below shows an open channel with a slope of 0.00045 wherein: - for the main channel, n = 0.023 and for the floodplain on one side of the main channel, n is twice that of the main channel. "earth canal" 1.4m flood plain (about 200 m long) 2.5 m 2 18m Determine the flow velocity for the flood plain segment of the open channel. 0.574 m/s 2.516 m/s 1.941 m/s 1.258 m/s None of the choices 11 2
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Ans. 1.941m/s
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Transcribed Image Text:The flow section below shows an open channel with a slope of 0.00045 wherein:
- for the main channel, n = 0.023 and for the floodplain on one side of the main channel, n is twice
that of the main channel.
"earth canal"
1.4m
flood plain (about 200 m long)
2.5 m
2
18m
Determine the flow velocity for the flood plain segment of the open channel.
0.574 m/s
2.516 m/s
1.941 m/s
1.258 m/s
None of the choices
2
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