Applied Fluid Mechanics (7th Edition)
7th Edition
ISBN: 9780132558921
Author: Robert L. Mott, Joseph A. Untener
Publisher: PEARSON
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Chapter 7, Problem 7.2PP
Water at
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Reducer connection connecting a pipe that carries water with a diameter of A (mm) and another with a diameter of B (mm). If the pressure difference between the two ends of the joint is equal to C (mm) of mercury, calculate the average velocity at the inlet and outlet sections, and find the volumetric flow rate if the loss is small that can be neglected.
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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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- 5. A pump draws water from reservoir A and lifts it to reservoir B. The loss of head from A to 1 is three times the velocity head in the 150mm pipe and the loss of head from 2 to B is twenty times the velocity head in the 100mm pipe. Discharge is 20L/s. a. Calculate the horsepower output of the pump in kw. b. Calculate the pressure head at 1 in meters. c. Calculate the pressure head at 2 in meters. B El.240 m ---- El. Om 1 El. -20m 150mm 100 mmarrow_forwarda pump is delivering 160 liters per sec of water using an impeller diameter of 240 mm and operating at a speed of 1800 rpm. if the speed held constant and the impeller diameter is change to 203.2 mm, what is the new dischange og the pump in liters per secondarrow_forwardA pump draws water from reservoir A and lifts it to reservoir B. The loss of head from A to 1 is 3 times the velocity head in the 6 inch pipe and loss of head from 2 to B is 20 times the velocity head in the 4 inch pipe. Compute the horsepower output of the pump and the pressure heads at 1 and 2 when the discharge is 200 pgm. B EL 240 ft Water 4 inch pipe EL 0 Pump 2. Water EL -20 ft 6 inch pipearrow_forward
- The diameter of the pipe at the larger end is 0.50 cm and at the smaller end is 0.20 cm, the larger and smaller ends located 7 meters and 3 meters respectively, from the datum line. If the larger end, the velocity is 1.2 m/s and the pressure is 5200 kN/m2 , compute the velocity at the smaller end.arrow_forwardDetermine the power requirement of the pump shown in Figure 3.0, assuming it has an efficiency of 88%. The system has a loss coefficient of 3.0 up to point A, and K =1.2 from point B to point C. Neglect any losses through the exit nozzle. Additionally, compute the pressures at points A and B. Water 15 m 2 cm 4 cm dia. 5 cm dia. Figure 3.0 400 kPaarrow_forwardAn open tank contains water which is to be drained completely. The exit pipe is exposed to the atmosphere. The distance from the water surface to the exit pipe is 6 m. And the distance from the water surface to point B is 1.2 m. a. Calculate the pressure at point B. b. Calculate the velocity at point B and point C.arrow_forward
- A horizontal 150 mm diameter pipe gradually reduces its section to 50 mm diameter, subsequently enlarging into 150 mm section. The pressure in the 150-mm pipe at a point just before entering the reducing section is 140 kPa and in the 50 mm section at the end of the reducer, the pressure is 70 kPa. If 600 mm of head is lost between the points where the pressures are known, compute the rate of flow of water through the pipe.arrow_forward3. A fire hydrant has an outlet diameter of 630 mm located 1.4 meters above the ground. If the water strikes the ground at a horizontal distance of 285 meters below the outlet, calculate the rate of discharge in gals. per min.arrow_forwardA jet of water from a nozzle discharging into air has a diameter of 6 in and a mean velocity of 120 ft per second. Compute the velocity head and horsepower in the jet.arrow_forward
- assume a flow of 1.7 m3/hr. the pressure readings are 0.1 bar at the bare pump and 0.3 at the integral pump when they are connected in series. calculate the corresponding heads of the above pumps connected in series. what happens if the pumps are connected in parallel? Please correct answerarrow_forwardProblem 4: Compute the specific speed for a pump operating at 1750 rpm delivering 12 000 gal/min of water at a total head of 300 ft. 1arrow_forwardAnswer pleasearrow_forward
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