Q1. For a symmetrical, trapezoidal channel with a smooth asphalt lining. The channel bed drops 0.8 m vertically per each kilometer of length. A cross section of the channel flow is shown as follows: 1.5m 2m 3m The Manning's n friction factor for the channel is.. В. A. The wetted perimeter of the flow cross section is C. The area of the flow-cross-section is.. D. The hydraulic radius is.. Е. The top width of the flow cross section is F. The hydraulic depth of the channel cross section..
Q1. For a symmetrical, trapezoidal channel with a smooth asphalt lining. The channel bed drops 0.8 m vertically per each kilometer of length. A cross section of the channel flow is shown as follows: 1.5m 2m 3m The Manning's n friction factor for the channel is.. В. A. The wetted perimeter of the flow cross section is C. The area of the flow-cross-section is.. D. The hydraulic radius is.. Е. The top width of the flow cross section is F. The hydraulic depth of the channel cross section..
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
Q=7
n=0.017
v=1.7
z=1.7
Transcribed Image Text:Q1. For a symmetrical, trapezoidal channel with a smooth asphalt lining. The channel bed
drops 0.8 m vertically per each kilometer of length. A cross section of the channel flow is
shown as follows:
1.5m
2m
Зт
А.
The Manning's n friction factor for the channel is..
The wetted perimeter of the flow cross section is
The area of the flow-cross-section is. .
The hydraulic radius is. .
В.
С.
D.
The top width of the flow cross section is ..
The hydraulic depth of the channel cross section..
Е.
F.
G.
The flow rate within the channel..
.......
The critical depth of the flow..
The minimum specific energy of the flow is...
The critical slope is
Н.
I.
J.
The flow type condition of the flow is (sub critical , super critical, critical)
If the flow was increased by 50%, the new depth will be..
К.
L.
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