1. Water is following steadily through a 50 m long section of a horizontal 5-cm diameterstainless steel pipe. The water temperature is 15°C and the flow rate is 9 L/s. Determine:a.) The pressure drop over the pipe length [kPa].b.) The head loss [m].c.) The pumping power needed to overcome the pressure drop (assume a pump efficiency of67%) [kW].9 L/s5 cm50 m

Answered: Image /qna-images/answer/d258d913-2b79-4667-bb48-83d86a1a67a6.jpg

Answered: 1. Water is following steadily through…

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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What is the required pump power (Pa) for the system below? The source reservoir is on the right side of the figure The outflow is released as a water jet to the atmosphere (on the left) Discharge rate is 0.11 m3/s Pipe total length is 180 m Pipe diameter is 0.2 m Friction factor (f) is 0.01 Minor losses are negligibleCHOOSE ONE: 25 KiloWatt 169 KiloWatt 269 KiloWatt 112 KiloWatt
Q6. Absolute vapor pressure of water siphoned is 2.25 kPa. Water is extracted from a reservoir as shown in figure below. Diameter of the pipe is D= 16 cm. (Patm-100 kPa, Ywater-9810 N). Please answer the following questions. (1) Zmax a) Determine the flow rate of the system. b) Determine the maximum elevation of the highest point of the piping system without causing cavitation (Zmax=?). 5 m
The three water-filled tanks shown in the figure below are connected by pipes as indicated. If minor losses are neglected, determine the flow rate in each pipe (+ is out and-is into the reservoir) Assume ha - 20 m, he-50m.hc-0m., = 400 m, ₂= 250 m, and 3 = 500 m. QA- QB Qc- Elevation - h D-0.08 m 7,-0.020 Elevation- V B D-0.10m -0.015 D-0.08 m -0.020 Elevation - he C
The allowable Net Positive Sustion Head (NPSH) for a pump provided by the manufacturer for a flow of 0.05 m³/s is 3.3 m. The temperature of water is 30° C (vapour pressure head absolute = 0.44 m), atmosphere pressure is 100 kPa absolute and the head loss from the reservoir to pump is 0.3 N-m/N. Find the maximum height of the pump above the sustion reservoir.
In the branched pipe system shown, 850 L/min of water at 10°C is flowing in a DN 100 Schedule 40 pipe at A. The flow splits into two DN 50 Schedule 40 pipes as shown and then rejoins at B. Calculate (a) the flow rate in each of the branches and (b) the pres- sure difference PA PB. Include the effect of the minor losses in the lower branch of the system. The total length of pipe in the lower branch is 60 m. The elbows are standard.
A rigid pipe has a diameter of 150 mm and a length of 1020 m. Water having bilk modulus of 2.0164 x10° Pa flows in the pipe. Compute the maximum permissible discharge if the water hammer pressure is not to exceed 1400 kPa when the outlet valve suddenly closed in liters/sec.
Water at 70°F passes through 0.75-in-internal diameter copper tubes at a rate of 0.4 lbm/s. Determine the pumping power per ft of pipe length required to maintain this flow at the specified rate. Take the density and dynamic viscosity of water at 70°F as p = 62.30 lbm/ft3 and μ = 6.556x10-4 lbm/ft-s. The roughness of copper tubing is 5x10-6 ft. (Round the final answer to four decimal places.) The pumping power per ft of pipe length required to maintain this flow at the specified rate is 0.0318 W (per foot length).
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
In a horizontal 5-inch pipe (ID = 5 in.), water is being delivered at a stable discharge of 25 ft³/s. if the pressure increased from 20 psi to 40 psi after a centrifugal pump, how will the flow velocity be affected? O The flow velocity will increase by 4 times. O The flow velocity will decrease by half. O The flow velocity will remain the same. O The flow velocity will double.
Determine the discharge in the pipe and the pressure at point B. The total head loss from tank water surface to point B is 0.5 m; the total head loss from point B to the outlet is 1.5 m. The water temperature is 10°C. Assume turbulent flow at all locations. What is the pressure at point B? Water O 5.75 kPa 7.97 kPa O 4.64 kPa O 6.86 kPa 1.5 m 3.5 m B 40 cm diameter -20 cm diameter nozzle
A 500 mm diameter pipe carries water at a rate of 500 L/s. A pump in the pipe is used to move the water from point A (El 30 m) to point B (El 40 m). The pressure is 70 kPa in A and 350 kPa in B. Assume a head loss of 3 m from point A to point B. a.What is the velocity of flow? ts) b. What is the head supplied by the pump? c. What horse power must be supplied to the flow by the pump if it is 85% efficient?
Tank A has an elevation of 100 m and Tank B has an elevation of 160 m. Since Tank A is lower than B, engineers have installed a pump near A to transfer fluid to B. The discharge in the pipe is at 0.65 cubic meters per second and pipe has a length of 1 km. with a diameter of 0.6 meters. If Hazen williams coefficient is equal to 120, compute the head loss in the pipe.

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