8-96 A certain part of cast iron piping of a water distribu- tion system involves a parallel section. Both parallel pipes have a diameter of 30 cm, and the flow is fully turbulent. One of the branches (pipe A) is 1000 m long while the other branch (pipe B) is 3000 m long. If the flow rate through pipe A is 0.4 m³/s, determine the flow rate through pipe B. Disre- gard minor losses and assume the water temperature to be 15°C. Show that the flow is fully rough, and thus the friction factor is independent of Reynolds number. Answer: 0.231 m³/s Y

8-96 A certain part of cast iron piping of a water distribu- tion system involves a parallel section. Both parallel pipes have a diameter of 30 cm, and the flow is fully turbulent. One of the branches (pipe A) is 1000 m long while the other branch (pipe B) is 3000 m long. If the flow rate through pipe A is 0.4 m³/s, determine the flow rate through pipe B. Disre- gard minor losses and assume the water temperature to be 15°C. Show that the flow is fully rough, and thus the friction factor is independent of Reynolds number. Answer: 0.231 m³/s Y

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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At night, water is pumped from a treatment plant reservoir through distributing piping to an elevated storage tank. Assume no other withdrawals from the system. The water surface in the supply reservoir is at 3m elevation, the lift pump elevation is 6m, the water elevation in the elevated tank is 42m. The pipe network maybe considered equivalent to 1500m of 250mm diameter. Use C=100. There is a supply of 60 Liters/sec. to the tank. a. Compute the head loss of the 250mm diameter pipe. b. Compute the pump discharge pressure required to supply a flow of 60L/s to the tank, c. Compute the slope of the energy gradient
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Problem-2: It is required to deliver discharge Q = 0.04 m'/s against a total head Hp =VEN m using a pump has an impeller inner to outer diameter ratio of 0.5, speed of N= 20EN rpm and hydraulic efficiency of 0.90. If the flow at the entrance is radial such that Vn = V2, use the o and y equations to find the impeller rim v2 and flow velocities V2, exit width B2, and blades inlet B1 and outlet angles B2. %3D %3D %3D 0 = eNM +0.88 and y =eN +0.055 -5.25 -6.2 V, = Ø/28H, = TD,N/ 60 %3D V, = TD,N/60 EN=62 Vn =Vn=Q/4, =Q/ TB,D, H, = N,H, = N,v,V½/g B = tan -1 and B, = tan 2-V
ANSWER ASAP.
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Three pipes of different lengths and diameters connected in series as shown discharges 169 lit/sec. If f=0.012 and disregarding minor losses, determine a. the head loss in each pipe. b. the diameter of an equivalent single pipe that could replace all the 3 pipes. ASAP
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Non-positive displacement pump is the type of pump whose size is lesser for a given discharge räte. Select one O True O False
Question 1: For the setup shown in the figure: H = 20 m f = 0.0012 f = 0.0012 D = 250 mm D = 80 mm L = 50 m L = 50 m f = 0.001 D₁ = 150 mm L = 100 m A. Calculate Q in the 150 mm-diameter pipe B. If the NPSHR of the pump is 3 m. Is it feasible to use the pump? You can use: Patm-101 kN/m², and Pvapor = 3.17 kN/m² H₂ = 10 m Pump Q f = 0.0012 D=80 mm L = 50 m Q₁ = 0.2