Building and testing prototypes
Engineers build prototypes, or test versions, of their designs and try them out under real conditions. Testing often reveals failure points that show exactly what needs to be improved. At more advanced levels, engineers also use models, from small-scale physical versions to computer simulations, to generate data, then change the design and test it again, repeating until it works as well as possible.
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Test your knowledge
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Midterm
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This final covers a lot of topics, so it's split into 2 parts. Each part includes a question from every one of its topics.
Final, Part 1 of 2
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Final, Part 2 of 2
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