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('15 Marks) Question 4 An earth drainage ditch may be approximated a trapezoidal channel has a...
(c) A trapezoidal channel, as shown below, has a base width b = 6 m and side slopes 1H:1V. The channel bottom slope is S=0.0002 and the Manning roughness coefficient is n=0.014. Compute: a) the depth of uniform flow if Q = 12.1 m3/s b) the state of the flow. Y Y. b = 6 m Fig. Q2c
Q1. For a uniform flow, a trapezoidal channel has a base width b = 8 m and side slopes 11:1V. The channel bottom slope is so = 0.0002 and the Manning roughness coefficient n = 0.016. Compute a) The depth of uniform flow if Q = 14.3 m3/s b) The state of flow. yo У. b= 8 m
A trapezoidal channel with a bottom width of 8ft and side slopes of 1V:1H is designed for a discharge of 160cfs. If the channel has a slope of 0.002, what will be the water depth if the Manning n is 0.017?
(25 Points) Determine the critical depth in the trapezoidal drainage ditch shown below. The slope of the ditch is 0.0016, the side slopes are 1V:2.5H, the bottom width is b - 14', and the design discharge is 500 cfs. At this calculate the Froude number. 5
A trapezoidal channel with bottom width of 10 m and side slopes of 1V:1.5H is carrying a flow of 80 m3/s. The channel bottom slope is 0.002 and n = 0.015. A dam is planned that will raise the flow depth to 10 m. Compute the flow depth by using standard step method in the channel 250, 500, and 750 m upstream of the dam.
A flow of 32 m2/sec occurs in an earth-lined trapezoidal channel having base width 3.0m, side slopes 1V:2H and n=0.022. Calculate the critical depth. Select one: O a. 1.902 m O b. 1.702 m O c 1.602 m O d. 1.502 m O e. 1.802 m
Question 6 A concrete-lined trapezoidal channel with uniform flow has a normal depth of 1.5 m. The base width is 4 m and the side slopes are equal at 1 vertical to 2 horizontal. Mannin‘s n-0015. The bed slope 0.001 Compute the mean velocity and discharge. If the above channel were to be designed for flooding, it may have a section like in Figure below 8 m 8 m 4 m When the flow goes over the top of the...
#4 [5 points] A trapezoidal channel of bottom width 25 ft and side slope 1:2.5 carries a discharge of 450 cfs with a normal depth of 3.5 ft. The elevations at the beginning and end of the channel are 685 and 650 ft., respectively. Determine the length of the channel if n = 0.02. #5 [5 points] Water is flowing at a rate of 4.5 m3/s in a trapezoidal channel whose bottom width is 2.4 m and side slopes are...
Problem 1. For the trapezoidal channel cross section shown below, find the following geometric quantities in terms of bottom width b, flow depth y, and side slope m. Provide the appropriate dimensions for each tem using the L-T-F (Length-Time-Force) system. For example, [b] L (a) Flow area, A (b) Wetted perimeter, P (c) Hydraulic radius, R (d) Top water surface width, T A (e) Hydraulic depth, D= T Problem 2. Write a function in Matlab that calculates each of the...
Urgent help please QUESTION 15 A trapezoidal channel (n=0.023) has a 2-foot wide base, slide slopes of 1:1, bed slope of 0.45% and conveys 300 CFS. What is the normal depth? 2.3.72 feet 6.2.38 feet 5.38 feet d. 0.92 feet