Problem 6. A cement-lined ductile iron pipe transfers water from a power plant to a coolingtower. The water temperature is 140° F and the flow is maintained at 6500 gallons perminute (gpm) by a pump. If the head loss is limited to 25 ft per 1000 ft of pipe, what wouldbe the minimum acceptable diameter? Round the pipe size up to the nearest 2 in. Solve thisthrough iteration with the Moody Diagram and using the Swamee-Jain Equation for D.Problem 7. For the previous problem, what diameter would be required using the Hazen-Williams equation? Would this be valid?

Answered: Image /qna-images/answer/3409ada9-3c07-49ae-8a4f-6df326464484.jpg

Answered: Problem 6. A cement-lined ductile iron…

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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The diagram below shows a pumping system to pump water to an elevated tank. The next page shows the performance curve of a specific type of centrifugal pump. The loss factors at the inlet and outlet are 0.5 and 1.5 respectively while the loss factor associated with the bend is 1.5. The diameter of the pipe is 0.050 m while the total pipe length is 400 m. In order to simplify the calculation you can assume that the friction factor is f= 0.036. Determine the duty point of this pumping system and thus determine the flow rate of the pump for an impeller diameter of 140 mm? Also determine the shaft power of the pump and give an estimate of the pumps efficiency at the duty point. Given that the pump is located 1.80 m above the water surface (1), and the pipe length from inlet to pump is 6.0 m, determine the NPSHA at the pump and state whether cavitation is likely to occur. Sol: 3.6 m 40 H m 30- P 10 20- K₁ = 0.5 5- kW 2- 1- 13 4 2- NPSH K₁ = 1.5 170 160 150 140. 130_ (1) Q 10 Pump 20 54…
Solve and Draw the figure completely labelled with all the notations used in your solution.A fire pump delivers water through a 150 mm main to a hydrant to which is connected a 75 mm hose, terminating in a 25 mm nozzle. The nozzle is 3 m above the hydrant and 18 m above the pump. Assuming a total frictional loss of 18.5 m from the pump to the base of the nozzle, and a loss in the nozzle of 10 per cent of the velocity head in the jet, and neglecting air resistance, what gage pressure at the pump is necessary to throw a stream 30 m vertically above the nozzle?
Two reservoirs are connected by two parallel pipes of equal length and of diameters 20 cm and 10 cm, as shown in the figure (not drawn to scale). When the difference in the water levels of the reservoirs is 5 m, the ratio of discharge in the larger diameter pipe to the discharge in the smaller diameter pipe is (Round off to two decimal places) (Consider only loss due to friction and neglect all other losses. Assume the friction factor to be the same for both the pipes) ! Reservoir 5 m 20 cm 10 cm ļ Reservoir
Two reservoirs are connected by two parallel pipes of equal length and of diameters 20 cm and 10 cm, as shown in the figure (not drawn to scale). When the difference in the water levels of the reservoirs is 5 m, the ratio of discharge in the larger diameter pipe to the discharge in the smaller diameter pipe is (Round off to two decimal places) (Consider only loss due to friction and neglect all other losses. Assume the friction factor to be the same for both the pipes) ! Reservoir 5 m 20 cm 10 cm ļ Reservoir
SUBJECT: HYDRAULICS FINALS ANSWERS MUST BE 3 DECIMALS AND BOX IT SHOW COMPLETE SOLUTION BADLY NEED IT ASAP EXPERTS. THANK YOU
With velocity of 14 m/s in the 375 mm diameter pipe in the figure shown, determine the discharge in pipe 4 in m3/s. Assume f = 0.0404 for all pipes and neglect minor losses. The following are the properties of each pipe: Pipe 1 (Length=476 m, Diameter = 375 mm) Pipe 2 (Length=528 m, Diameter = 524 mm) Pipe 3 (Length=479 m, Diameter = 653 mm) Pipe 4 (Length=839 m, Diameter = 452 mm) Pipe 5 (Length=1435 m, Diameter = 435 mm) Round your answers in 4 decimal places.
C3. Provide solution using the Moody diagram Oil (RD 0.8) with viscosity 0.06 Pa.s flows in a cast iron pipe of length 100m and diameter 120mm. Relative roughness = 0.0031 1. Determine the head loss when the velocity is: 3.2 m/s 2. Discuss and agree upon how could the head loss be reduced. Write your conclusions.
A calibration test of a 12.7 mm circular sharp-edged orifice in the vertical side of a large tank showed a discharge of 587 N of water in 81 seconds at a constant head of 4.70 meters. Measurement of the water jet showed that it traveled 2.35 meters horizontally while dropping 30.50 centimeters. Determine the three orifice coefficients and draw the figure. Note: determine each coefficient independent from the other coefficients, solve them as equal to the ratio of the actual quantity to the theoretical quantity. No credit points for direct formula substitution solutions.
mater 3
3
Q. Determine the kinematic viscosity at the average temperature and determine the Reynolds number and type of flow using the data shown below and table values: Data obatined from a Reynolds Number test: Water temperature at the beginning of the experiment = 25 oC Water temperature at the end of the experiment = 30 oC The Volume of water collected in 25 seconds = 240 ml Pipe diameter, d= 10 mm. (use eq'n reynold's number, Re = VD/v
A pipeline, 50 cm diameter and 4,500 m long, connects two reservoirs whom constant difference of water level is 12 m. A branch pipe, 1,250 m long and taken from a point distant 1,500 m from reservoir A, leads to reservoir C whose water level is 15 m below that of reservoir A. Find the diameter, in centimeters, of the branch pipe, so that the flow into both the reservoirs is the same. Assume friction coefficient ƒ = 0.03 for all the pipes.

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