EBK APPLIED FLUID MECHANICS
7th Edition
ISBN: 9780100668348
Author: UNTENER
Publisher: YUZU
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Chapter 18, Problem 18.4PP
A duct in a heating system carries
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If water at 180°F is flowing with a velocity of 4.50 ft/s in a standard 6-in Schedule 40pipe, calculate the weight flow rate in lb/h. Ans. 1.97x105lb/hr
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Chapter 18 Solutions
EBK APPLIED FLUID MECHANICS
Ch. 18 - A pipe in a compressed air system is carrying 2650...Ch. 18 - Prob. 18.2PPCh. 18 - Prob. 18.3PPCh. 18 - A duct in a heating system carries 8320 cfm....Ch. 18 - The velocity of flow in a ventilation duct is 1140...Ch. 18 - Prob. 18.6PPCh. 18 - Prob. 18.7PPCh. 18 - Prob. 18.8PPCh. 18 - Prob. 18.9PPCh. 18 - Prob. 18.10PP
Ch. 18 - Prob. 18.11PPCh. 18 - Describe a centrifugal fan with forward-curved...Ch. 18 - Prob. 18.13PPCh. 18 - Prob. 18.14PPCh. 18 - Name four types of positive-displacement...Ch. 18 - Name a type of compressor often used for pneumatic...Ch. 18 - Prob. 18.17PPCh. 18 - Prob. 18.18PPCh. 18 - Prob. 18.19PPCh. 18 - Compute the specific weight of nitrogen at 32...Ch. 18 - Compute the specific weight of air at 1260...Ch. 18 - Prob. 18.22PPCh. 18 - An air compressor delivers 820 cfm of free air....Ch. 18 - Prob. 18.24PPCh. 18 - Prob. 18.25PPCh. 18 - Prob. 18.26PPCh. 18 - Specify a size of Schedule 40 steel pipe suitable...Ch. 18 - For an aeration process, a sewage treatment plant...Ch. 18 - Prob. 18.29PPCh. 18 - Prob. 18.30PPCh. 18 - Prob. 18.31PPCh. 18 - Prob. 18.32PPCh. 18 - Prob. 18.33PPCh. 18 - Prob. 18.34PPCh. 18 - Prob. 18.35PPCh. 18 - Figure 18.14 iD shows a two-compartment vessel....Ch. 18 - Prob. 18.37PPCh. 18 - Prob. 18.38PPCh. 18 - Prob. 18.39PPCh. 18 - A tank of Refrigerant is at 150 kPa gage and 20C....Ch. 18 - Prob. 18.41PP
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- The small turbine in Fig. extracts 400 W of power from the water flow. Both pipes are wrought iron. Compute the flow rate Q in m3/h.arrow_forwardReducer 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.arrow_forwardCalculate the minimal head of the pump required to pump 1 m³ of water per second to the height 10 m trough a pipe with cross sectional area 0.1 m². Assume constant friction coefficient f = 0.04 and neglect all losses in fittings. The pump head is the gravity head plus losses and so it can be found?arrow_forward
- A centrifugal pump delivers 2.5 cfs of water against a head of 25 ft at 1500 rpm and requires 10 hp. If the speed is reduced to 1250 rpm calculate the flow (in m^3/s), assuming the same efficiency.arrow_forwardA) Calculate by hand the net head delivered and the efficiency of the pump at flow rate of 63 L/s. B) Use excel sheet and its formula to solve the equations and plot the pump head, power input, and efficiency versus the pump flow ratearrow_forwardA pump is operated is 3 hp with an efficiency of 65% which is able to deliver water 100 gal/min flow rate water (density 62,4 lb(m)/ft3). Calculate the developed head in ft. Keep 3 sig. figsarrow_forward
- A pipe 12 mm diameter with a velocity of 0.50 m/s is attached by a nozzle at the end having a diameter of 3 mm diameter. Find the velocity of the water in the nozzle in m/s.arrow_forwardWhat is the time is taken by the system to fill a tank of capacity 315 liters and flow rate 25 x 10 3 m³ per hour?arrow_forwardAs shown in the picture blew, a pump can deliver volume flow rate of of water through a vertical lift of . The inlet to the pump is just below the water surface and the discharge is to the atmosphere through a DN50 schedule 40 steel pipe. The energy loss . (1) Calculate velocity at the exit of point 2__________m/sarrow_forward
- the diameter of the suction pipe is 385mm. The diameter of the discharge pipe is 268mm. If centrifugal pump delivers 322388 L/hr of water to a pressurized tank with 293kpa. The source of water is 14m below the pump. Calculate the pump total head in meters.arrow_forwardThe two-lobe rotary pump moves 0.145 gal of a coal slurry in each lobe volume Vlobe. Calculate the volume flow rate of the slurry (in gpm) for the case where n. = 220 rpm.arrow_forwardAt full capacity, a pump delivers fluid to a wheel motor at 10liters/minute at a pressure of 10 MPa. If the motor delivers 1.5 hp at the ground and 90% of the loss can be accounted for by internal leakage which generates heat in the fluid, compute the heat generation rate in kJ/min.arrow_forward
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