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# Water is pumped between the two tanks described in Example ISBN: 9781118116135 135

## Solution for problem 32 Chapter 12.32

Fundamentals of Fluid Mechanics | 7th Edition

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Problem 32

Water is pumped between the two tanks described in Example 12.4 once a day, 365 days a year, with each pumping period lasting two hours. The water levels in the two tanks remain essentially constant. Estimate the annual cost of the electrical power needed to operate the pump if it were located in your city. You will have to make a reasonable estimate for the efficiency of the motor used to drive the pump. Due to aging, it can be expected that the overall resistance of the system will increase with time. If the operating point shown in Fig. E12.4c changes to a point where the flowrate has been reduced to 1000 gpm, what will be the new annual cost of operating the pump? Assume that the cost of electrical power remains the same.

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##### ISBN: 9781118116135

The answer to “Water is pumped between the two tanks described in Example 12.4 once a day, 365 days a year, with each pumping period lasting two hours. The water levels in the two tanks remain essentially constant. Estimate the annual cost of the electrical power needed to operate the pump if it were located in your city. You will have to make a reasonable estimate for the efficiency of the motor used to drive the pump. Due to aging, it can be expected that the overall resistance of the system will increase with time. If the operating point shown in Fig. E12.4c changes to a point where the flowrate has been reduced to 1000 gpm, what will be the new annual cost of operating the pump? Assume that the cost of electrical power remains the same.” is broken down into a number of easy to follow steps, and 134 words. Since the solution to 32 from 12.32 chapter was answered, more than 221 students have viewed the full step-by-step answer. Fundamentals of Fluid Mechanics was written by and is associated to the ISBN: 9781118116135. The full step-by-step solution to problem: 32 from chapter: 12.32 was answered by , our top Engineering and Tech solution expert on 11/10/17, 06:08PM. This textbook survival guide was created for the textbook: Fundamentals of Fluid Mechanics, edition: 7. This full solution covers the following key subjects: . This expansive textbook survival guide covers 1484 chapters, and 1484 solutions.

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