bolts, engineering homework help

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Engineering

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All questions are written in the file attached. and for question 7.4, it's attached as a picture. 

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Module 9 Homework Complete the following problems and show all work. Make sure that you submit on eCampus in the Module 9 folder. These problems come from the 8th edition of the textbook.  7.4)  7.14) A child’s pool is eight feet in diameter and two feet high. It Is filled by a garden hose up to a level of one foot. The children complain that it is too cold. Can you heat it up to an acceptable temperature using hot water from the house? How much hot water would you need to add?  7.39) Landfill space is rapidly running out. Develop a plan to eliminate your city’s dependence on the local landfill. The city population is 1000,000.  7.58) Tom is from the census bureau and greets Mary at her door. They have the following conversation: Tom: I need to know how old your three kids are. Mary: The product of their ages is 36. Tom: I still don’t know their ages. Mary: The sum of their ages is the same as my house number.  12.4) Identify five product, structure, or system designs you think can be improved. Pick one that would be used in developing possible solutions to the problem. Provide specific examples.  12.5) Using an item from your list in exercise 12.4, develop a list of reference materials that would be used in developing possible solutions to the problem. Provide specific examples. 218 Studying Engineering do? What is the problem that you need to solve? 7.4 you discover that your tickets are still back in your room on your desk. What do you lines you are responsible for are running at full capacity to keep up with the high You are a manufacturing engineer working for an aircraft company. The production demand. One day, you are called into a meeting where you learn that one of you data exists to tell if the bolts in question meet your standards. You do not known suppliers of bolts has been forging testing results. The tests were never done, sono long the forging of the test results has been going on. You are only told that it has bem delivered may be affected. You are asked to develop a plan to manage this crisis. What "a while." This means that your whole production line including the planes ready to be Some background information: and tested. The testing typically involves loading the bolts until they fail. • Bolts are tested as batches or lots. A specified number are taken out of every batch • The bolts do not have serial numbers so it is impossible to identify the lot number The supplier who forged the tests supplies 30% of your inventory of all sizes of bolts. manufacturers. (To reduce dependence on any one company, you buy bolts from from which they came. . Your entire inventory is stored in bins by size. Each bin has a mixture of three companies and mix the bolts in the bins sorted by size.) • Bolts have their manufacturer's symbol stamped on the head of the bolt. • It takes weeks to assemble or disassemble an aircraft. • Stopping your assembly line completely to disassemble all aircraft could put your company in financial risk. • Your customers are waiting on new planes and any delays could cause orders to be lost. The FBI has arrested those who forged the test and their business has been closed at least temporarily. 7.5 How much of an automobile's tire wears off in one tire rotation? 7.6 A farmer going on a trip with a squirrel, acorns, and a fox had to cross a river in a boat in which he couldn't take more that one of them with him each time he crossed. Since he often had to leave two of them together on one side of the river or the other, how could he plan the crossings so that nothing gets eaten, and they all get across the river safely? 7.7 Measure the height of your class building using two different methods. Compare your answers and indicate which is more accurate. 7.8 Pick a grassy area near your class building. Estimate how many blades of grass are in that area. Discuss your methodology.
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Module 9 Homework
Complete the following problems and show all work. Make sure that you submit on eCampus in
the Module 9 folder. These problems come from the 8th edition of the textbook.


7.4) The bolt company provides 30% of all the bolts supplied to the aircraft company.
There are two options, either take all the bolts from the fraudulent manufacturer and test
them. Another option would be to take all the bolts out of the plane from the
manufacturer and replace them with bolts of other company. The latter option is more
feasible because buyers would not want any bolts on the plane that have been made by a
business that forged results, even if the tests show that the bolts meet the specifications.
Getting the bolts out and replacing them would take a lot of manpower. The projects that
are due later on would have to be put on hold, and man power will be drawn to projects
with very close due dates. They will have to take out the bolts of the particular
manufacturer and replace them.
The other stage where the bolts will be controlled is in the inventory, these need to be
sorted out and scraped. Scraping the bolts would offset the huge lose faced by the bolt
replacement incident.
For future purposes, the company should personally test a few bolts out of a 100 bolts in
the inventory, this ensures quality control.



7.14) A child’s pool is eight feet in diameter and two feet high. It Is filled by a
garden hose up to a level of one foot. The children complain that ...


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