MAE 1351 Exam 1; Questions and Answers 100% Correct
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Course
MAE 1351
Institution
MAE 1351
MAE 1351 Exam 1; Questions and Answers
100% Correct
descriptive geometry Correct answer-A 2D graphical construction technique used for
geometric analysis of 3D objects
Optimization Correct answer-Modification of shapes, sizes, and other variables to achieve
the best performance based on pre...
MAE 1351 Exam 1 ; Questions and Answers 100% Correct descriptive geometry Correct answer -A 2D graphical construction technique used for geometric analysis of 3D objects Optimization Correct answer -Modification of shapes, sizes, and other variables to achieve the best performance based on predefined criteria Why are most cave drawings and hieroglyphics not considered to be engineering drawings? Correct answer -Becuase they were mostly documentation of lifestyle, not instructions on how to build something In what ways did the design of military fortifications change after the discovery of gunpowder and the invention of the cannon? Correct answer -Walls became thicker, and more geometrically complex to deflect cannon fire Why did engineering drawings need to become more precise during the industrial revolution? Correct answer -reduced misinterpretation so products could be mass produced What were the three traditional roles of engineering graphics? Correct answer -
communication, record keeping, and analysis What are some of the new roles of engineering graphics created by computer graphics? Correct answer -(visualization, analysis, function, and optimization) can produce 3D MAE 1351 Exam 1 ; Questions and Answers 100% Correct pictures that can be observed from all sides, can be tested on the computer vs having to test actual models What are some of the advantages and disadvantages of using mechanical drawing instruments, as opposed to mathematical tools, for problem solving? Correct answer -Mechanical drawing instruments were used to analyze problems without the need to do burdensome math and enabled engineers to create any view of a geometric object from two existing views In what ways can visualization skills be developed? Correct answer -by doing special visualization exercises, by building and working with solid models, disassembling and reassembling devices, and sketching T/F The engineering design process follows the same steps as the scientific discovery process, or scientific method Correct answer -false T/F To create a revolved feature, the profile and the axis of revolution must be coplanar. Correct answer -true To create a solid of revolution, I must... Correct answer -select a plain line from the sketch to use as a an axis, make an axis in the sketch using a construction line, use reference geometry to make an axis
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