A) A rectangular channel flowing normally rull at a depth 1.40 m has base of width 2 m. The flow rate is 3.6 m³/s. It is to be replaced by an efficient rectangular section with the same material and adhering to the same slope. (a) What is the increase in its capacity? (b) If instead the most efficient trapezoidal section were used, what would be the increase in the flow rate? (c) What percent increase could have been expected if the most efficient of all efficient sections were used?

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
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Chapter2: Loads On Structures
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Hydraulics for civil engineering NOTE: NEED IT ASAP PLEASE
A) A rectangular channel flowing
normally rull at a depth 1.40 m has base of width 2 m.
The flow rate is 3.6 m³/s. It is to be replaced by an
efficient rectangular section with the same material and
adhering to the same slope. (a) What is the increase in
its capacity? (b) If instead the most efficient trapezoidal
section were used, what would be the increase in the
flow rate? (c) What percent increase could have been
expected if the most efficient of all efficient sections
were used?
Transcribed Image Text:A) A rectangular channel flowing normally rull at a depth 1.40 m has base of width 2 m. The flow rate is 3.6 m³/s. It is to be replaced by an efficient rectangular section with the same material and adhering to the same slope. (a) What is the increase in its capacity? (b) If instead the most efficient trapezoidal section were used, what would be the increase in the flow rate? (c) What percent increase could have been expected if the most efficient of all efficient sections were used?
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