Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Chapter 11, Problem 11.20PP
The tank shown in Fig. 11.24 is to be drained to a sewer. Determine the size of new Schedule
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Q.3) Determine the energy loss that will occur as 100 Liters / min of water flows from a small copper tube to a larger tube through a gradual enlargement having an included angle of 30 degrees. The small tube has a 25 mm OD x 1.5 wall thickness; the large tube has an 80 mm OD x 2.8 mm wall thickness.
4. A pump draws 20 lit/sec of water from reservoir A
to reservoir B as shown. Assuming f = 0.02 for all
pipes, compute the pressure at point 2 in kPa.
El. 10
200 mm-500 m
PUMP
El. 60
150 mm - 1200 m
El. C
B
Chapter 11 Solutions
Applied Fluid Mechanics (7th Edition)
Ch. 11 - Water at 10C flows from a large reservoir at the...Ch. 11 - For the system shown in Fig. 11.14, kerosene (...Ch. 11 - Figure 11.15 shows a portion of a hydraulic...Ch. 11 - Figure 11.16 shows part of a large hydraulic...Ch. 11 - Oil is flowing at the rate of 0.015m3/s in the...Ch. 11 - For the system shown in Fig. 11.18, calculate the...Ch. 11 - A liquid refrigerant flows through the system,...Ch. 11 - Water at 100F is flowing in a 4-in Schedule 80...Ch. 11 - A hydraulic oil is flowing in a drawn steel...Ch. 11 - In a processing plant, ethylene glycol at 77F is...
Ch. 11 - Water at 15C is flowing downward in a vertical...Ch. 11 - Turpentine at 77F is flowing from A to B in a 3...Ch. 11 - ]11.13 A device designed to allow cleaning of...Ch. 11 - Kerosene at 25C is flowing in the system shown in...Ch. 11 - Water at 40C is flowing from A to B through the...Ch. 11 - Oil with a specific gravity of 0.93 and a dynamic...Ch. 11 - Determine the required size of new Schedule 80...Ch. 11 - What size of standard hydraulic copper tube from...Ch. 11 - Water at 60F is to flow by gravity between two...Ch. 11 - The tank shown in Fig. 11.24 is to be drained to a...Ch. 11 - Figure 11.25 depicts gasoline flowing from a...Ch. 11 - For the system in Fig. 11.26, compute the pressure...Ch. 11 - For the system in Fig. 11.26, compute the total...Ch. 11 - For the system in Fig. 11.26 specify the size of...Ch. 11 - A manufacturer of spray nozzles specifies that the...Ch. 11 - Specify the size of new Schedule 40 steel pipe...Ch. 11 - Refer to Fig. 11.27. Water at 80C is being pumped...Ch. 11 - For the system shown in Fig. 11.27 and analyzed in...Ch. 11 - In a water pollution control project, the polluted...Ch. 11 - Repeat Problem 11.29, but use a 3-in Schedule 40...Ch. 11 - Water at 10C is being delivered to a tank on the...Ch. 11 - If the pressure at point A in Fig. 11.29 is 300...Ch. 11 - Change the design of the system in Fig. 11.29 to...Ch. 11 - It is desired to deliver 250 gal/min of ethyl...Ch. 11 - For the system shown in Fig. 11.30, compute the...Ch. 11 - Repeat Problem 11.35, but consider the valve to be...Ch. 11 - Repeat Problem 11.35, but consider the valve to be...Ch. 11 - Figure 11.31 depicts a DN 100 Schedule 40 steel...Ch. 11 - Repeat Problem 11.38 but replace the globe valve...Ch. 11 - Repeat Problem 11.38 but use a DN 125 Schedule 40...Ch. 11 - Repeat Problem 11.38, but replace the globe valve...Ch. 11 - It is desired to drive a small,...Ch. 11 - Figure 11.32 shows a pipe delivering water to the...Ch. 11 - Repeat Problem 11.43, except consider that there...Ch. 11 - A sump pump in a commercial building sits in a...Ch. 11 - For the system designed in Problem 11.45, compute...Ch. 11 - Figure 11.33 shows a part of a chemical processing...Ch. 11 - For the system described in Problem 11.47, and...Ch. 11 - For the system described in Problem 11.47, and...Ch. 11 - For the system described in Problem 11.47, and...Ch. 11 - Analyze the system shown in Fig. 11.11 with...Ch. 11 - Create a program or a spreadsheet for analyzing...Ch. 11 - Create a program or a spreadsheet for determining...
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- 5. 10 lt / s of water is requested to be transported from A depot to city B. The water level of the A depot is 50 m and the B point is 30 m. The length of the EU pipe in the project has been calculated as 1000m and taken as f = 0.02. The pipe diameter has been chosen as φ90 mm. Since the minimum operating pressure (pressure head) required at point B is 20m, can water be delivered to point B with this system? (Velocity height is negligible)arrow_forward10. Three pipes of lengths 800 m, 600 m and 300 m and of diameters 400 mm, 300 mm and 200 mm respec- tively are connected in series. The ends of the compound pipe is connected to two tanks, whose water surface levels are maintained at a difference of 15 m. Determine the rate of flow of water through the pipes if f = .005. What will be diameter of a single pipe of length 1700 m and f = .005, which replaces the three pipes ?arrow_forwardQuestion 8 Two reservoirs are connected by a pipe whose total length is 360m.From the upper reservoir the pipe is 300mm in diameterfor a length of 150m and the remaining 210m is 450mm in diameter.The difference in water levels between the two reservoirs are 8m.Take f=0.006 for the smaller pipe and f=0.005 for the larger pipe.If all the changes in pipe sections are sharp and sudden, calculate the flow rate which can be delivered.arrow_forward
- 9. What is the diameter, in millimeter, of an orifice in a tank with a cross-section of 1.5 m² if the orifice draws down water at a rate of 160 mm/sec at a 3.35 m head? Use C = 0.63.arrow_forwardI need the answer as soon as possiblearrow_forwardQ1/ liquid is pumped from a ground level reservoir to an overhead tank through a 5 cm ID pipe as shown in Fig. (1): i. What pressure developed by the pump to 45° elbow 8 m Fig. (1) Globe valve Tank 5 m supply water to the tank at the rate of 245 I/min? ii. What is the power required for the pump, if the pump is only 62% efficient? iii. Calculate the available NPSH. If the pump required 12 m NPSH is it suitable to prevent cavitation for this system? why? Given that: u = 0.0016 Pa.s; p 850 kg/m', e/d 0.0035, (Le/d) of Globe valve (open) = 240 (Le/d) of 45° ēlbow = 24 and Pv = 36.6 kPa 25 m 45° Reservoir 45° elbowarrow_forward
- Q1: A waterline is composed of three sections A, B, and C. Section A has a 200-mm inside diameter and is 1500 m long. Section C has a 400-mm inside diameter and is 2000m long. The middle section B consists of two parallel pipes 2500 m and 3000m long respectively. The parallel pipes have a 150 mm and a 200-mm inside diameter respectively. Assume no elevation change throughout. Calculate the pressure drop and flow rates in this piping system (1 at a flow rate of 500 m³/h, density 1000 kg/m³, and f= (0.029).arrow_forwardCalculate the Flow Rate of water at 5°C through the system below. Q = Flow 3.4 m 700 kPa 30 mm diameter DN 65 mm Schedule 40 Pipearrow_forwardA pipe is gradually tapering in size, diminishing by 0.1 f2/ft run. What is the change in velocity per foot run where the pipe is 4 f2 in cross section, if the velocity there is 90 ft/s. Is the velocity increasing or decreasing?arrow_forward
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