J-A contracted weir 1.31 m long and 1:26m high is to be installedin a channel 2.45 m wide. The depth of water backk OF the weiris 2.14m.a) What is the amount OF flouw neglecting the velocity of approach.6.) What is the amount op flow considering the velocity of approach".d What is the velocity OF approach?

Weir: The weir may be a barrier that spans the breadth of a river and changes the flow properties of…

Answered: I-A contracted weir 1.31 m long and…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Compute the size of a square concrete box culvert (n = 0.013) to handle a discharge of 1,000 cfs. The culvert will have a length of 250 ft with a slope of 0.02 and a maximum headwater depth (H) of 20.0 ft. Use a square-edged entrance (K a free outlet condition (y₁ < D). 0.5) and en =
A bar screen is used to treat 10 MGD of menicipal wastewater. The vertical bars are 1.27 cm wide and 3.8 cm deep. The minimum allowable spacing for the bars is 2.4cm. The appoach channel carries the water at velocity of 0.381 m/s and is 1.07 m wide and 1.37 m deep. 1- detrmine the number of bar and spacing that should be used. 2- calculate the head loss through screen when it is clean (m). 3- it's estimated that the screen will remove 227 kg (wet basis) of screenings ber milion gallons of water treated. What will be the daily accumulation (kg and m^3) of the screening if the density of screening 100 kg/m^3.
Problem 5.2: Design a coarse screen (rack) for a flow of 0.8 m/sec. The screen is placed in a channel 1.5 m in depth and 2 m width. Use square bars 13 X 13 mm in cross section, assume size of the openings c/c = 80 mm?
Find the discharge over a 75 degree V-notch weir if H = 6 inches
4) Find the discharge of the rectangular, sharp-crested, two-stage weir show below. Assume P = 3ft for the lower crest and that the upper crest touches the edges of the channel it is in.
Compute the flow rate over each weir. Indicate the appropriate unit of flow.
4. Determine the discharge of the weir having a head of 1.5 m (in L/s). C = 0.61 A) If V-notch were used, 0 = 75° B) If a trapezoidal weir with sides inclined 10° with the vertical and a length of crest is 3 m C) If a rectangular weir 2 m long is used
A circular settling basin is anticipated to receive a flow of 3.5 MGD. The tank is to be designed to have an overflow rate of 800 gpd/ft2. The depth is to be 11 ft. Determine the diameter of the basin (in feet). ? What length of weir (ft) is required to achieve a weir loading of 15,000 gpd/ft show all work
Choose the letter of the correct answer. Please answer honestly and do not just guess. Develop a formula for the discharge over a 90° V-notch weir in terms of head above the bottom of the V. A channel conveys 300 litres/sec of water. At the outlet end there is a 90° V-notch weir for which the coefficient of discharge is 0.58. At what distance above the bottom of the channel should the weir be placed in order to make the depth in the channel 1.30m? a. 0.759 m c. 0.769 m b. 0.749 m d. None of the above From above question, with the weir in this position what is the depth of water in the Cchannel when the flow is 200 litres/sec? a. 1.218 m b. 1.212 m c. 1.232 m d. None of the above It is desired to use the 32 in. pump at 1170 rpm to pump water at 60°C from one reservoir to another 120 ft higher through 1500 ft of 16 in. ID pipe with f = 0.030. Determine the Q. a. 15,000 gpm c. 16,000 gpm 3 b. 15,500 gpm d. None of the above
Flow over V-notch weir: 0 = 90°, datum height ho = 8.5 mm volume time to Water level h collected (L) collect (s) (mm) Height above the notch H (m) Qa (m³/s) Qt (m³/s) Cd 6 15 Flow over rectangular weir: b = 0.06 m, datum height ho = 27 mm volume collected (L) 5 time to collect (s) 20 Water level h (mm) 41 Height above the notch (m) Qa (m³/s) Qt (m³/s) Cd
Last two digit =30
குUடும் UTM Water is flowing in a 250 cm w cm width rectangular channel with a unit discharge of 2.4 1/1000 and 0.012 s/m¹/³, The channel bed slope and respectively. If broad Manning's n are a b crested weir is constructed in the channel, determine the height of weir which will create backwater and the flow depth at just upstream of the weir should not exceed 5% of the normal depth. I flow depths above, upstream UTM & UTM 00m³/s.m. Calculate and downstream of the constructed weir. Sketch the flow profiles in the channel and the e the expecte UTM specific energy curve which describes this problem. UTMUTSC &UTM & UTM &UTM

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