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Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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23 and 24 please :) ill thumbs up
OO
A contracted rectangular weir is to be installed in a channel 8ft wide. The maximum
flow over the weir is 60.0 cfs (ft³/s) when the depth of flow H is 3.0 ft. What is the
length of the crest (L) of the weir that should be installed if the weir equation is Q H
3.4(L-2/10H) * (H)3/2
The length of the weir L (in feet):
A. 3
C. 5
B.4
A
B
D. 6
E. None of the above
Transcribed Image Text:OO A contracted rectangular weir is to be installed in a channel 8ft wide. The maximum flow over the weir is 60.0 cfs (ft³/s) when the depth of flow H is 3.0 ft. What is the length of the crest (L) of the weir that should be installed if the weir equation is Q H 3.4(L-2/10H) * (H)3/2 The length of the weir L (in feet): A. 3 C. 5 B.4 A B D. 6 E. None of the above
O
O
O
A
B
U
Calculate the force components of the water acting on the deflecting blade shown in
the figure if the blade is stationary.
2 in. dia.
120 ft/sec
60
X
If the blade is stationary,
the force components of the water acting on the deflecting blade are;
A. Rx 304.73 lb:
Ry=527.82 lb
B. Rx
76.18 lb:
Ry 131.95 lb
Ry = 685.65 lb
C Rx 1187.59 lb;
D. None of the above
Transcribed Image Text:O O O A B U Calculate the force components of the water acting on the deflecting blade shown in the figure if the blade is stationary. 2 in. dia. 120 ft/sec 60 X If the blade is stationary, the force components of the water acting on the deflecting blade are; A. Rx 304.73 lb: Ry=527.82 lb B. Rx 76.18 lb: Ry 131.95 lb Ry = 685.65 lb C Rx 1187.59 lb; D. None of the above
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