Flow Pump 6-in Schedule 40 4-in Schedule 40 4 in Engine Oil 30 in Mercury (sg =13.54)
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- Oil with a specific gravity of 0.83 and a dynamic viscosity of 8.5 × 10^−3 Pa ∙ s flows at a rate of 502 L/min into the open tank. The total length for the DN 50 schedule 40 steel pipe is 37 m, while the length for the DN 100 schedule 40 pipe is 100 m. Determine the pressure at point A.1 - If the pipeline is now specified to be of Schedule 40 with a nominal diameter of 6 in., and the available pressure at the pump exit is P2 = 132.7 psig, what flow rate Q (gpm) can be expected? Answer the following additional questions: 2 -If the combination of pump and motor is 80% efficient, how much electrical power (kW) is needed to drive the pump? 3 -, in order to avoid vapour lock, the pressure in the pipeline must always be above the vapor pressure of the crude oil, what is the maximum permissible elevation of point 3 relative to point 4? 4 -If the flow in the pipeline were at the upper limit of being laminar, what pump exit pressure would then be needed? (Answer this part without using the friction factor plot.10.4 Determine the pressure difference between two points on either side of a sudden enlargement from a tube with a 2-in ID to one with a 6-in ID when the velocity of flow of water is 4 ft/s in the smaller tube. 10.5 Determine the pressure difference for the conditions in Problem 10.4 if the enlargement is gradual with a cone angle of 15. Answer: p1-p2= -0.0891 psi
- 1) Which of the following statement is NOT correct about piping network? a) In parallel pipes, the flow rate is proportional to its diameter and inversely proportional to its length and friction factor. b) When analyzing the piping network, conservation of mass throughout the system must be satisfied. c) In piping systems with pumps, the Bernoulli equation should be corrected by introducing a kinetic energy correction factor. d) The algebraic sum of head losses for all loops equal to zero. 2) The EGL is always a distance V2/2g above the HGL. True or FalseOil of specific gravity 0.750 is pumped from a tank over a hill through a 24′′ pipe with the pressure at the top of the hill maintained at 25.5 psi. The summit is 250 ft above the surface of the oil in the tank, and oil is pumped at the rate of 22.0 cfs. If the lost head from tank to summit is 15.7 ft, what horsepower must the pump supply to the liquid? Indicate the Free Body DiagramKerosene of relative density 0.82 and kinematic viscosity 2.3 mm2. s−1is to bepumped through 185 m of galvanized iron pipe (k = 0.15 mm) at 40 L. s−1into astorage tank. The pressure at the inlet end of the pipe is 370 kPa and the liquidlevel in the storage tank is 20 m above that of the pump. Neglecting losses otherthan those due to pipe friction determine the diameter of pipe necessary.
- For the parallel-pipe system of Fig. each pipe iscast iron, and the pressure drop p1 - p2 = 3 lbf/in2. Computethe total flow rate between 1 and 2 if the fluid is SAE10 oil at 20°C.A centrifugal pump is used to pump water through horizontal distance of 150 meters and then raised to an overhead tank 20 meters above. The pipe is smooth with inside diameter of 50 millimeter. The pump head (meter of water) that will be generated at its exit to deliver water at a flow rate of 0.001 cubic meter per second is Blank 1 meter of water. Use fanning friction factor = 0.0062 Express your answers in whole siginificant figure without decimal value and without unitQuestion 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.
- Water at 20∘C∘C having the density of ρw�� = 998.3 kg/m3kg/m3 and kinematic viscosity of νw=1.00(10−6)m2/s��=1.00(10−6)m2/s is pumped from a lake into the tank on the truck using a 50-mmmm-diameter galvanized iron pipe with ε� = 0.15 mmmm (Figure 1). The pump performance curve is as shown in (Figure 2). The total length of the pipe is 50 mm. Determine the maximum volumetric flow the pump will generate. Include the minor losses of the five elbows. Express your answer to two significant figures and include the appropriate units.A fluid at a certain temperature has a viscosity of 37.1 cP and a specific gravity of 0.8022. 49508.6 bbl of this fluid per day is transferred from a far-flung source 501.55 miles away using a 18.1 ID steel pipe. Given that the pump has an efficiency of 68.82%, what is the actual power requirement in kW Answer options: 269 8554 6949 1039 3236What is the maximum height the higher reservoir can sit and be filled using a fixed-speed pump with 1-1/4 HP of input and a 57% efficiency rating at 30 GPM of flow? The suction line is 30ft of 1-1/4” schedule 40 steel pipe. The discharge line is 1” schedule 40 steel pipe and is horizontal for 10 ft.