A contracted rectangular weir 2 m width was installed in a channel 3-m wide. Water depth elevation upstream of the weir was measured at a distance equal to about 4H upstream of the weir and found to be 2.5 m, the elevation of the weir crest was found2 m, and the acceleration of gravity (g) is given as 9.81. The flow rate of the channel equals to Select one: m'/s A. Q= 1.24 m 3 B. Q= 3.5 m/s C. Q= 7.5 m/s D. Q= 5.24 m /s

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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A contracted rectangular weir 2 m width was installed in a channel 3-m wide. Water depth
elevation upstream of the weir was measured at a distance equal to about 4H upstream of the
weir and found to be 2.5 m, the elevation of the weir crest was found 2 m, and the acceleration
of gravity (g) is given as 9.81. The flow rate of the channel equals to
Select one:
A. Q= 1.24 m
/s
3.
B. Q= 3.5 m/s
C. Q= 7.5 m/s
O D. Q= 5.24 m/s
Transcribed Image Text:A contracted rectangular weir 2 m width was installed in a channel 3-m wide. Water depth elevation upstream of the weir was measured at a distance equal to about 4H upstream of the weir and found to be 2.5 m, the elevation of the weir crest was found 2 m, and the acceleration of gravity (g) is given as 9.81. The flow rate of the channel equals to Select one: A. Q= 1.24 m /s 3. B. Q= 3.5 m/s C. Q= 7.5 m/s O D. Q= 5.24 m/s
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