An irrigation canal has a rectangular cross section of 5 m width and 1.2 m depth. If water flows at a speed of 0.80 m/s, what is its flow rate? (b) If the width of the stream is reduced to 3 m and the depth to 1 m as the water passes a flow control gate, what is the speed of the water past the gate?

Traffic and Highway Engineering
5th Edition
ISBN:9781305156241
Author:Garber, Nicholas J.
Publisher:Garber, Nicholas J.
Chapter16: Highway Drainage
Section: Chapter Questions
Problem 13P
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An irrigation canal has a rectangular cross section of 5 m width and 1.2 m depth. If water
flows at a speed of 0.80 m/s, what is its flow rate? (b) If the width of the stream is reduced
to 3 m and the depth to 1 m as the water passes a flow control gate, what is the speed of the
water past the gate?

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