Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Chapter 8, Problem 8.34PP
A water main is an
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Chapter 8 Solutions
Applied Fluid Mechanics (7th Edition)
Ch. 8 - A 4-in-ductile iron pipe carries 0.20ft3/s of...Ch. 8 - Calculate the minimum velocity of flow in ft/s of...Ch. 8 - Calculate the maximum volume flow rate of fuel oil...Ch. 8 - Calculate the Reynolds number for the flow of each...Ch. 8 - Determine the smallest metric hydraulic copper...Ch. 8 - In an existing installation, SAE 10 oil (sg = 0.89...Ch. 8 - From the data in Appendix C, we can see that...Ch. 8 - Compute the Reynolds number for the flow of 325...Ch. 8 - Benzene (sg = 0.86 ) at 60c C is flowing at 25...Ch. 8 - Hot water at 80 C is flowing to a dishwasher at a...
Ch. 8 - A major water main is an 18 -in ductile iron pipe....Ch. 8 - ]8.12 An engine crankcase contains SAE 10 motor...Ch. 8 - Repeat Problem 8.12 for an oil temperature of 160...Ch. 8 - At approximately what volume flow rate will propyl...Ch. 8 - SAE 30 oil (sg = 0.89 ) is flowing at 45 L/min...Ch. 8 - Repeat Problem 8.15 for an oil temperature of 160...Ch. 8 - Repeat Problem 8.15, except the tube is 50 mm...Ch. 8 - Repeat Problem 8.17 for an oil temperature of 0 C.Ch. 8 - The lubrication system for a punch press delivers...Ch. 8 - After the press has run for some time, the...Ch. 8 - A system is being designed to carry 500 gal/min of...Ch. 8 - The range of Reynolds numbers between 2000 and...Ch. 8 - The water line described in Problem 8.22was a cold...Ch. 8 - In a dairy, milk at 100 F is reported to have a...Ch. 8 - In a soft-drink bottling plant, the concentrated...Ch. 8 - ]8.26 A certain jet fuel has a kinematic viscosity...Ch. 8 - Crude oil is flowing vertically downward through...Ch. 8 - Water at 75 C is flowing in a standard hydraulic...Ch. 8 - Fuel oil is flowing in a 4 -in Schedule 40 steel...Ch. 8 - A 3-in Schedule 40 steel pipe is 5000 ft long and...Ch. 8 - Benzene at 60 C is flowing in a DN 25 Schedule 80...Ch. 8 - As a test to determine the effective wall...Ch. 8 - Water at F flows from a storage tank through ft...Ch. 8 - A water main is an 18 -in-diameter concrete...Ch. 8 - Figure 8.12shows a portion of a fire protection...Ch. 8 - A submersible deep-well pump delivers 745 gal/h of...Ch. 8 - On a farm, water at 60 F is delivered from a...Ch. 8 - Figure 8.15 shows a system for delivering lawn...Ch. 8 - A pipeline transporting crude oil (sg = 0.93 ) at...Ch. 8 - For the pipeline described in Problem 8.39,...Ch. 8 - Water at 10 C flows at the rate of 900 L/min from...Ch. 8 - For the system shown in Fig. 8.17, compute the...Ch. 8 - Fuel oil (sg = 0.94 ) is being delivered to a...Ch. 8 - Figure 8.18 shows a system used to spray polluted...Ch. 8 - In a chemical processing system, the flow of...Ch. 8 - Water at 60 F is being pumped from a stream to a...Ch. 8 - For the pump described in Problem 8.46, if the...Ch. 8 - Gasoline at 50 F flows from point A to point B...Ch. 8 - Figure 8.20 shows a pump recirculating 300 gal/min...Ch. 8 - Linseed oil at 25 C flows at 3.65 in a standard...Ch. 8 - Glycerin at 25 C flows through a straight...Ch. 8 - Water at 75 C flows in a standard hydraulic copper...Ch. 8 - Benzene (sg = 0.88 ) at 60 C, flows in a DN 25...Ch. 8 - Water at 80 F flows in a 6 -in coated ductile iron...Ch. 8 - Water at 50 F flows at 15.0 ft3/s in a concrete...Ch. 8 - Water at 60 F flows at 1500 gal/min in a 10 -in...Ch. 8 - ]8.57 A liquid fertilizer solution (sg = 1.10 )...Ch. 8 - Crude oil (sg = 0.93 ) at 100 C flows at a rate of...Ch. 8 - Water at 65 C flows in a DN 40 Schedule 40 steel...Ch. 8 - Propyl alcohol flows in a standard hydraulic...Ch. 8 - ]3.61 Water at 70 F flows in a 12 -in-diameter...Ch. 8 - Heavy fuel oil at 77 F flows in a 6 -in Schedule...Ch. 8 - Water flows at a rate of 1.50ft3/s through 550 ft...Ch. 8 - Compute the energy loss as water flows in a...Ch. 8 - ]8.65 A water main is an 18 -in-diameter concrete...Ch. 8 - A fire protection system includes 1500 ft of 10...Ch. 8 - ]8.67 A standard hydraulic copper tube, 120 mm...Ch. 8 - Compute the energy loss as 2.0ft3/s of water flows...Ch. 8 - It is desired to flow 2.0ft3/s of water through...Ch. 8 - Specify a suitable size of new, clean Schedule 40...Ch. 8 - For the pipe selected in Problem 8.70, compute the...Ch. 8 - Compare the head loss that would result from the...Ch. 8 - In Problem 6.107, a theoretical flow rate of water...Ch. 8 - A pipeline is needed to transport medium fuel oil...Ch. 8 - Medium fuel oil at 25 C is to be pumped at a flow...Ch. 8 - A tremendous amount of study has gone into the...Ch. 8 - In a given installation, it is determined that the...Ch. 8 - "Laminar" fountains have become quite popular due...Ch. 8 - Use PIPE-FLO to model a straight horizontal run of...
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- 1.Compute the lost pressure for a diverging fitting. The flow rate in the 20 cm upstream section is 0.24 m3/s, and the flow rate in the 20 cm branch is 0.24 m3/s. The downstream section has a diameter of 25 cm. Assume a 45° wye.arrow_forwardWater at 38°C flows from A to B through 244 m of average 300-mm-I.D. cast iron pipe (∊ = 0.00061 m). Point B is 9.1 m above A, and the pressure at B must be maintained at 138 kPa. If 0.222 m3/s is to flow through the pipe, what must be the pressure at A?arrow_forwardAn old pipe, 600 mm I.D. and 1219m long, carries medium fuel oil at 30°C from A to B. The pressures at A and B are 393 kPa and 138 kPa respectively, and point B is 18.3 m above point A. Calculate the flow, using ∊ = 0.00049 m.arrow_forward
- Please solve both parts correctly. A pipe that carries water, has section of radius r₁ = 12 cm; it is narrowed, so the section has radius r2 = 6 cm. Calculate a) If the difference between pressures is 7.5 kPa, what is the velocity in section "2" ? b) the flow rate of the duct.arrow_forwardA long 0.3 m pipeline laid between two reservoirs carries a flowrate of 0.14 m3/s ofwater. A parallel pipe of the same friction factor is laid beside this one. Calculate the approximatediameter of the second pipe if it is to carry 0.28 m3/sarrow_forwardThe observed pressure drop for 40°F water flowing at 16 ft/min in a 4.5-in diameter pipe is 9.68 x 10 psi/ft. Determine the relative roughness (D) of the pipe. (e/D) =arrow_forward
- Find the pressure drop(kPa) in a 29m length of pipe with a triangular cross section.Q = 22m3/minf = 0.017arrow_forwardA valve is suddenly closed in a 200 mm ø pipe. The increase in pressure is 700 kPa. Assuming that the pipe is rigid and the bulk modulus of water is 2.07 x 109 N/m2. Compute the velocity of flow in m/s.arrow_forwardA horizontal 300-mm pipe contracts to a 150-mm diameter. If the flow is 0.127 m3/s of oil (s.g.=0.88) and the pressure in the smaller pipe is 265 kPa what is the pressure in the bigger pipe neglecting friction?arrow_forward
- An air-conditioning system is designed to have a ductwith a rectangular cross section 1 ft by 2 ft, as shown. Duringconstruction, a truck driver backed into the duct and made it atrapezoidal section, as shown. The contractor, behind schedule,installed it anyway. For the same pressure drop along the pipe,what will be the ratio of the velocity in the trapezoidal duct tothat in the rectangular duct? Assume the Darcy-Weisbach resistance coefficient is the same for both ducts.arrow_forwardGasoline (5g = 0.67) is flowing at 0.11 m ^ 3 / s in the conduit shown in Figure 6.21. if the pressure before reduction is 415 kPa. Calculate the pressure in the 75 mm diameter duct.arrow_forwardA pipeline carrying water reduces from 0.9 m diameter to 0.6 m diameter. The initial water velocity is 2.1 m/s and the initial pressure is 414 kPa. If there is a frictional loss across the pipe reduction of 1.5 metres of water, calculate the force on the pipe reduction.arrow_forward
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