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1. The system in Figure 1 shows a pump that takes water from a lake at point "1" and raises it to an elevation of H = 30 m where it forms a free jet, falling into the storage tank. This system runs at a flow rate Q of 0.2 m³/s. Answer the following while ignoring frictional losses in the pipe (D = 0.2 m): (a) Does the water at point 2 have the same, less, or more energy than the water at point 3? State why (think about what Bernoullies equation is)? (b) Does the water at point 2 have the same, less, or more velocity than the water at point 3? Support your answer with an explanation of why. (c) Does the water at point 2 have the same, less, or more energy than the water at point 1? State why, describing what a pump does to the energy of the system. (d) What is the gauge pressure at point 2? (e) What is the change in total specific energy (J/kg) between points 1 and 2? (f) What is the change in head (m) between points 1 and 2, i.e. what is the pump head added to the water by the pump? Pump Qout Swater Figure 1: System for Problem 1 A₁ h(t) f Figure 2: Tank draining

1. The system in Figure 1 shows a pump that takes water from a lake at point "1" and raises it to an elevation of H = 30 m where it forms a free jet, falling into the storage tank. This system runs at a flow rate Q of 0.2 m³/s. Answer the following while ignoring frictional losses in the pipe (D = 0.2 m): (a) Does the water at point 2 have the same, less, or more energy than the water at point 3? State why (think about what Bernoullies equation is)? (b) Does the water at point 2 have the same, less, or more velocity than the water at point 3? Support your answer with an explanation of why. (c) Does the water at point 2 have the same, less, or more energy than the water at point 1? State why, describing what a pump does to the energy of the system. (d) What is the gauge pressure at point 2? (e) What is the change in total specific energy (J/kg) between points 1 and 2? (f) What is the change in head (m) between points 1 and 2, i.e. what is the pump head added to the water by the pump? Pump Qout Swater Figure 1: System for Problem 1 A₁ h(t) f Figure 2: Tank draining

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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1. The system in Figure 1 shows a pump that takes water from a lake at point "1" and raises it to an elevation of H = 30 m where it forms a free jet, falling into the storage tank. This system runs at a flow rate Q of 0.2 m³/s. Answer the following while ignoring frictional losses in the pipe (D = 0.2 m): (a) Does the water at point 2 have the same, less, or more energy than the water at point 3? State why (think about what Bernoullies equation is)? (b) Does the water at point 2 have the same, less, or more velocity than the water at point 3? Support your answer with an explanation of why. (c) Does the water at point 2 have the same, less, or more energy than the water at point 1? State why, describing what a pump does to the energy of the system. (d) What is the gauge pressure at point 2? (e) What is the change in total specific energy (J/kg) between points 1 and 2? (f) What is the change in head (m) between points 1 and 2, i.e. what is the pump head added to the water by the pump? Pump Qout Swater Figure 1: System for Problem 1 A₁ h(t) f Figure 2: Tank draining
Transcribed Image Text:1. The system in Figure 1 shows a pump that takes water from a lake at point "1" and raises it to an elevation of H = 30 m where it forms a free jet, falling into the storage tank. This system runs at a flow rate Q of 0.2 m³/s. Answer the following while ignoring frictional losses in the pipe (D = 0.2 m): (a) Does the water at point 2 have the same, less, or more energy than the water at point 3? State why (think about what Bernoullies equation is)? (b) Does the water at point 2 have the same, less, or more velocity than the water at point 3? Support your answer with an explanation of why. (c) Does the water at point 2 have the same, less, or more energy than the water at point 1? State why, describing what a pump does to the energy of the system. (d) What is the gauge pressure at point 2? (e) What is the change in total specific energy (J/kg) between points 1 and 2? (f) What is the change in head (m) between points 1 and 2, i.e. what is the pump head added to the water by the pump? Pump Qout Swater Figure 1: System for Problem 1 A₁ h(t) f Figure 2: Tank draining
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