A weir installed at the end of a rectangular channel controls the flow of water. The rate of flow is 0.62 m^3/s. If the error in measuring the head is 0.018m, determine the percentage error in the measured flow if a 90 degree V-notch weir is used.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A weir installed at the end of a rectangular channel controls the flow of water. The rate of flow is 0.62 m^3/s. If the error in
measuring the head is 0.018m, determine the percentage error in the measured flow if a 90 degree V-notch weir is used.
(A) 6.35%
B) 7.12%
6.92%
5.45%
Transcribed Image Text:A weir installed at the end of a rectangular channel controls the flow of water. The rate of flow is 0.62 m^3/s. If the error in measuring the head is 0.018m, determine the percentage error in the measured flow if a 90 degree V-notch weir is used. (A) 6.35% B) 7.12% 6.92% 5.45%
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