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8-90 Water at 15°C is to be pumped from a reser- voir (zA tion (zB = 9 m) through two 25-m-long plastic pipes con- nected in parallel. The diameters of the two pipes are 3 cm and 5 cm. Water is to be pumped by a 68 percent effi- cient motor-pump unit that draws 8 kW of electric power dur- ing operation. The minor losses and the head loss in the pipes that connect the parallel pipes to the two reservoirs are consid- ered to be negligible. Determine the total flow rate between the reservoirs and the flow rates through each of the parallel pipes. 2 m) to another reservoir at a higher eleva- Reservoir B ZB = 9 m 25 m 3 cm Reservoir A 5 cm ZA = 2 m Pump FIGURE P8-90

8-90 Water at 15°C is to be pumped from a reser- voir (zA tion (zB = 9 m) through two 25-m-long plastic pipes con- nected in parallel. The diameters of the two pipes are 3 cm and 5 cm. Water is to be pumped by a 68 percent effi- cient motor-pump unit that draws 8 kW of electric power dur- ing operation. The minor losses and the head loss in the pipes that connect the parallel pipes to the two reservoirs are consid- ered to be negligible. Determine the total flow rate between the reservoirs and the flow rates through each of the parallel pipes. 2 m) to another reservoir at a higher eleva- Reservoir B ZB = 9 m 25 m 3 cm Reservoir A 5 cm ZA = 2 m Pump FIGURE P8-90

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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8–90 Water at 15°C is to be pumped from a voir (z, = 2 m) to another reservoir at a higher eleva- tion (zB nected in parallel. The diameters of the two pipes are 3 cm and 5 cm. Water is to be pumped by a 68 percent effi- cient motor-pump unit that draws 8 kW of electric power dur- ing operation. The minor losses and the head loss in the pipes that connect the parallel pipes to the two reservoirs are consid- ered to be negligible. Determine the total flow rate between the reservoirs and the flow rates through each of the parallel pipes. reser- = 9 m) through two 25-m-long plastic pipes con- Reservoir B ZB = 9 m 25 m 3 сm Reservoir A 5 cm ZA = 2 m Pump FIGURE P8-90
Transcribed Image Text:8–90 Water at 15°C is to be pumped from a voir (z, = 2 m) to another reservoir at a higher eleva- tion (zB nected in parallel. The diameters of the two pipes are 3 cm and 5 cm. Water is to be pumped by a 68 percent effi- cient motor-pump unit that draws 8 kW of electric power dur- ing operation. The minor losses and the head loss in the pipes that connect the parallel pipes to the two reservoirs are consid- ered to be negligible. Determine the total flow rate between the reservoirs and the flow rates through each of the parallel pipes. reser- = 9 m) through two 25-m-long plastic pipes con- Reservoir B ZB = 9 m 25 m 3 сm Reservoir A 5 cm ZA = 2 m Pump FIGURE P8-90
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