PROBLEM:A new 450 mm cast-iron pipe 600 m long carries 0.25 m /s, fromreservoir A, discharging into two new cast-iron pipes each 450 m long.One pipe is 300 mm in diameter and leads to reservoir B, in which thewater level is 4.5 m lower than that in A. If the water surface in reser-voir C is 6 m lower than that in A, determine the diameter of the pipeleading to C. (f= 0.02 for all pipes).hf4.5mL- GOomD= 450 mm6mQ-025 mshfgL- 450mD= 300 mmSolution:0.0826 fLQheL-450 mD ?DS

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Answered: PROBLEM: A new 450 mm cast-iron pipe…

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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d. Situation III: Reservoir A is at elevation 90 m above datum, furnishes water to a 600 mm pipe which leads to a point at elevation 30 m, the pipe being 610 m long. Here it branches into three pipes, 200 mm, 300 mm, and 150 mm diameter. The 200 mm pipe runs 300 m and discharges to reservoir B at elevation 75 m, the 300 mm runs 450 m to reservoir C at elevation 52 m, and the 150 mm pipe runs 910 m and discharges to reservoir D at elevation 30 m. f= 0.012 18. The rate of flow towards reservoir B most nearly gives. a. 0.055 m3/s b. 0.088 m³/s 0.044 m3/s d. 0.099 m³/s С. 19.The rate of flow towards reservoir C most nearly gives. a. 0.033 m³/s b. 0.011 m3/s c. 0.050 m³/s d. 0.060 m3/s 20. The rate of flow towards reservoir D most nearly gives. a. 0.077 m³/s b. 0.055 m3/s 0.034 m3/s d. 0.025 m3/s С.
1. Two tanks A and B have 70 m difference in water levels, and are connected by a pipe 0.25 m diameter and 6 km long with 0.002 friction coefficient. The pipe is tapped at its mid point to leak out 0.04 m3/s flow rate. Minor losses are ignored. (a) Determine the discharge leaving tank A? (b) Find the discharge entering tank B? ha А he B Q3 h = 70 m
Please include a free body diagram A new 45 cm CI pipe, 600 m long carries 260 L/s of water from an upper reservoir A, and flows into two new cast-iron pipes each 500 m long connected to two lower reservoirs. One pipe is 30 cm in diameter that leads to reservoir B, with water surface 5.0 lpwer than that in A. If the water surface in the third reservoir C is 2.0 m lpwer than that in B, what is the size of the pipe leading to C. Use Manning's n= 0.011.Neglect minor losses.
Three reservoirs A, B, and C are connected by pipelines 1, 2, and 3 respectively which merges at a junction X. The elevation of reservoir A is 300 m and that of B is 285 m. The rate of flow from reservoir A is 1.4 m3/s. Pipes 1 (D = 800 mm, L = 1500 m, Friction Factor = 0.0157) Pipes 2 (D = 600 mm, L = 450 m, Friction Factor = 0.0162) Pipes 3 (D = 450 mm, L = 1200 m, Friction Factor = 0.0177) Compute the elevation of reservoir C in m. Round your answer to 2 decimal places.
Problem 5 Consider a three-reservoir problem with the following characteristics. L₁ = 95 m L₂ = 125 m L3 = 180 m Z₁ = 25 m Z₂ = 115 m z3 = 85 m (a) All three pipes are constructed of 28 cm, unfinished concrete (e = 1 mm). If water at 20 ºC flows through the pipes, compute the steady flow rate in each pipe (magnitude and direction). (b) Reduce the diameter of all the pipe to 15 cm, unfinished concrete (€ = 1 mm) and show that the flow rates distribute in nearly the same manner but are about 5.2 times lower. Explain why.
SITUATION 2: Three reservoirs A, B, and C are connected respectively with pipes 1, 2, and 3 joining at a common junction P. Reservoir A is at elevation 80 m, reservoir B at elevation 70 m and reservoir C is at elevation 60 m. The properties of each pipe are as follows: Elev 80 ha hez Elev 70 B 4000 m- 250 mm f-0.018 he 3500 m f- 0.018 Elev 60 Pipe 1: L= 5000 m, D = 300 mm Pipe 2: L= 4000 m, D = 250 mm Pipe 3: L= 3500 m 5000 m - 300 mm f= 0.018
2. Three reservoirs A, B, and C are connected respectively with pipes 1, 2, and 3 joining at a common junction P. Reservoir A is at elevation 80 m, reservoir B at elevation 70 m and reservoir C is at elevation 60 m. The properties of each pipe are as follows: Pipe 1: L = 5000 m, D = 300 mm Pipe 2: L = 4000 m, D = 250 mm Pipe 3: L = 3500 m %3D The flow from reservoir A to junction P is 0.045 m3/s and f for all pipes is 0.018. (a) Find the elevation of the energy grade line at P in m (b) Determine the flow on pipe 2 in m3/s (c) Compute the diameter appropriate for pipe 3 in mm
2- Water at 20°C is siphoned from a reservoir as shown in following figure. For d = 8 cm and D = 16 cm, determine (a) the minimum flow rate that can be achieved without cavitation occurring in the piping system at points 2 and 3 and (b) the maximum elevation of the highest point of the piping system to avoid cavitation. (c) Draw the HGL and the EGL for this system? H=4.8 m #4 HT= 20°C Im 7 m
Situation 3: Three reservoirs A, B and C are connected respectively with pipes 1, 2 and 3 joining at a common junction P. Reservoir A is at elevation 80m, reservoir B at 70m and C is at 60m. Assume f=0.018 for all pipes. Pipe 1: L-5000 m, D = 300 mm Pipe 2: L= 4000 m, D = 250 mm Pipe 3: L=3500 m EL 80m A EL 70m Qı=0.045 CMS Q2 El. 60m 12. Determine the flow in pipe 2. 13. Determine the flow in pipe 3. 14. Determine the diameter of pipe 3.
9.) Three reservoirs A, B, and C are connected respectively with pipes 1, 2, and 3 joining at a common junction P whose elevation is 366 m. reservoir A is at elevation 933 m and reservoir B is at elevation 844 m. the properties of each pipe are as follows: L1= 1500 m, D1= 600 mm, f1= 0.02; L2= 1000 m, D2= 450 mm, f2= 0.025; L3= 900 m, D3= 500 mm, f3= 0.018. A pressure gage at junction Preads 4950 kPa. What is the flow in pipe 3 in m3/s and the elevation of reservoir C. Subject: Fluid Mechanic Lesson: Conservation of Energy Fluid Flow in Pipes
Two reservoirs are connected by a pipeline which is 150 mm in diameter for the first 6 m and 225 mm in diameter for the remaining 18 m. The entrance and exit are sharp, and the change of section is sudden. The water surface in the upper reservoir is 6 m above that in the lower. Tabulate the losses of head which occur and calculate the rate of flow in m3/s. Friction coefficient f is 0.01 for both pipes.
Situation 3: Three pipes of different lengths and diameters connected in series as shown discharge 0.160 m'/s. Determine the difference in elevation between the two reservoirs. Neglect minor losses. H What will be the diameter of a single pipe that can replace all the three Pipe1 Pipe 2 Pipe 3 pipes? It shoud carry the same discharge and incur the same total head loss. Assume that the distance between reservoir is constant. L- 800 m D- 45 cm f- 0.012 L-1500 m L- 1800m D- 90 cm D- 60 cm 1-0.012 f-0.012

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