Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Textbook Question
Chapter 7, Problem 7.6PP
A test setup to determine the energy loss as water flows through a valve is shown in Fig 7.15 Calculate the energy loss if
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Chapter 7 Solutions
Applied Fluid Mechanics (7th Edition)
Ch. 7 - A horizontal pipe carries oil with a specific...Ch. 7 - Water at 40 F is flowing downward through the...Ch. 7 - Find the volume flow rate of water exiting from...Ch. 7 - A long DN 150 Schedule 40 steel pipe discharges...Ch. 7 - Figure 7.14 shows a setup to determine the energy...Ch. 7 - A test setup to determine the energy loss as water...Ch. 7 - The setup shown in Fig. 7.16 is being used to...Ch. 7 - A pump is being used to transfer water from an...Ch. 7 - In Problem 7.815 (Fig. 7.17), if the left-hand...Ch. 7 - A commercially available sump pump is capable of...
Ch. 7 - A submersible deep-well pump delivers 745 gal/h of...Ch. 7 - In a pump test the suction pressure at the pump...Ch. 7 - The pump shown in Fig. 7.19 is delivering...Ch. 7 - The pump in Fig. 7.20 delivers water from the...Ch. 7 - Repeat Problem 7.14, but assume that the level of...Ch. 7 - Figure 7.21 shows a pump delivering 840L/min of...Ch. 7 - Figure 7.22 shows a submersible pump being used to...Ch. 7 - Figure 7.23 shows a small pump in an automatic...Ch. 7 - The water being pumped in the system shown in Fig....Ch. 7 - A manufacturer's rating for a gear pump states...Ch. 7 - The specifications for an automobile fuel pump...Ch. 7 - Figure 7.26 shows the arrangement of a circuit for...Ch. 7 - Calculate the power delivered to the hydraulic...Ch. 7 - Water flows through the turbine shown in Fig....Ch. 7 - Calculate the power delivered by the oil to the...Ch. 7 - What hp must the pump shown in Fig. 7.30 deliver...Ch. 7 - If the pump in Problem 7.26 operates with an...Ch. 7 - The system shown in Fig. 7.31 delivers 600 L/min...Ch. 7 - Kerosene (sg = 0.823 ) flows at 0.060m3/s in the...Ch. 7 - Water at 60 F flows from a large reservoir through...Ch. 7 - Figure 7.34 shows a portion of a fire protection...Ch. 7 - For the conditions of Problem 7.31 and if we...Ch. 7 - In Fig. 7.35 kerosene at 25 F is flowing at 500...Ch. 7 - For the system shown in Fig. 7.35 and analyzed in...Ch. 7 - Compute the power removed from the fluid by the...Ch. 7 - Compute the pressure at point 2 at the pump inlet.Ch. 7 - Compute the pressure at point 3 at the pump...Ch. 7 - Compute the pressure at point 4 at the press...Ch. 7 - Compute the pressure at point 5 at the press...Ch. 7 - Evaluate the suitability of the sizes for the...Ch. 7 - The portable, pressurized fuel can shown in Fig....Ch. 7 - Professor Crocker is building a cabin on a...Ch. 7 - If Professor Crocker's pump, described in Problem...Ch. 7 - The test setup in Fig. 7.39 measures the pressure...Ch. 7 - If the fluid motor in Problem 7.44 has an...Ch. 7 - A village with a need for a simple irrigation...Ch. 7 - As a member of a development team for a new jet...Ch. 7 - A fire truck utilizes its engine to drive a pump...Ch. 7 - A home has a sump pump to handle ground water from...Ch. 7 - In Problem 6.107 an initial calculation was made...Ch. 7 - A creek runs through a certain part of a campus...Ch. 7 - A hot tub is to have 40 outlets that are each 8 mm...Ch. 7 - A large chipper/shredder is to be designed for use...
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- Problem 3: A test setup to determine the energy loss as water flows through a valve is shown in the figure below. Calculate the energy loss if 0.10 ft³/s of water at 40°F is flowing. Also calculate the resistance coefficient K if the energy loss is expressed as K(v²/2g) . Valve 3-in Schedule 40 pipe Flow Carbon tetrachloride 6.4 in (sg = 1.60)arrow_forwardWater at 83 L/sec is flowing inside a 6-inch schedule 40 nominal pipe. Determine the following.a) What is the Reynold’s number of the water?b) What is the maximum velocity in ft/sec of the water at room temperature in the pipe?c) What is the pressure drop reading in mmHg of a pitot tube inserted in the pipe? (The fluid inside the pitot tube is mercury.) Assume a viscosity of 0.001 Pa*s and density of 1000 kg/m3.arrow_forwardQ1: A pipe line of length 2000 m is used for power transmission. If 110.3625 kW power is to be transmitted through the pipe in which water having a pressure of 490.5 N/cm at inlet is flowing. Find the diameter of the pipe corresponding to maximum efficiency of transmission. Take f=.0065. (50 marks)arrow_forward
- 2. The diameter of a pipe at the larger end is 0.5 cm and at the smaller end is 0.2 cm, the larger and smaller ends are located 7 meters and 3 meters, respectively, from a datum line. If at the larger end, the velocity is 1.2 meters per second and the pressure is 5200 kN/m², compute the pressure at the smaller and the volume flow rate in liters per minute.arrow_forwardA pipe network consists of pipeline as shown. If the total rate of flow is 10 liters/sec, compute the following: Rate of flow of pipeline 3, in liters/sec. Rate of flow of pipeline 2, in liters/sec. Total head loss from A to D, in mm.arrow_forwardwater flows through 30 mm internal diameter pipe at atmospheric pressure. pitot tube measures the velocity of water at the center of pipe as shown in the fig. the pressure difference between the impact tube and the static tube is 20cm of carbon tetrachloride (density: 1600 kg/m³). calculate the volumetric flow rate through the pipe in cubic meter per hour. velocity of water is cp.arrow_forward
- 1.Find the diameter of a pipe of length 3000 m when the rate of flow of water through the pipe is 300 litres/s and the head lost due to friction is 5 m. Take the value of C = 50 in Chezy’s formula.arrow_forwardAt high flow rates the pressure drop increases directly with fluid velocity.TRUE OR FALSE Fluid’s speed must therefore be matched by a decreaseal in its pressure. Select one: True False The viscosity of a fluid is not related to the pumping power needed to transport a fluid in a pipe or to move a body (such as a car in air or a submarine in the sea) through a fluid. Select one: True False Equilibrium condition is important in Buoyancy. Select one: True Falsearrow_forwardQ1. The figure below shows a hot water tank, with a pumping arrangement to continuously circulate water in a loop. Plastic pipes used, with six bends and two gate valves, as shown. Given that the water is flowing at an average velocity of 2.5 m/s, calculate the required power input for the pump. Given: The density and viscosity of water at 60°C are p = 983.3 kg/m', u = 0.467x103 kg/m-s. Plastic pipes are smooth, and thus their roughness is very close to zero, ɛ = 0. The loss coefficient is K1 = 0.9 for a threaded 90° smooth bend and K1 = 0.2 for a fully open gate valve. Assume 70% pump efficiency. 1.2 cm Hot Water tank 40 marrow_forward
- 1. A venturi meter has an inlet diameter of 65 mm and a throat diameter of 26 mm. When measuring the flow of a liquid of density 898 kg/m3 the reading of a mercury differential pressure gauge was 71 mm. Take the coefficient of the meter as 0.97 and the specific gravity of mercury as 13.6. Estimate the flow through the meter in m3/h.arrow_forwardB1. A water with viscosity 11.4x10-3 poise is flowing through a pipe of diameter 300 mm at the rate of 500 litres per sec. Find the Reynold's Number & the head lost due to friction in the pipe of length 1 km. (Enter only the values by referring the unit given. Also upload the hand written answers in the link provided) The velocity of flow of water (in m/s) is The value of Reynold's Number is The frictional loss in the pipe (in m) isarrow_forward3. . In a differential pressure flow meter, determine the velocity at the outlet for the given technical specification. The density of the liquid flowing through the pipeline is 997 kg/m³, Pressure at inlet is 10 Ib/ft2, pressure at outlet is 8 Ib/ft2 and cross sectional area of the orifice is 0.2512 m. Note: Ratio of meter diameter to pipe diameter is 0.5 and discharge coefficient is 0.61. Also, find the differential pressure and flow rate.arrow_forward
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