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MAE 1351 Exam 1 Practice Questions and Answers

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MAE 1351 Exam 1 Practice Questions and Answers descriptive geometry - ANSWER-A 2D graphical construction technique used for geometric analysis of 3D objects Optimization - ANSWER-Modification of shapes, sizes, and other variables to achieve the best performance based on predefined criteria Why...

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  • November 11, 2024
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MAE 1351 Exam 1 Practice Questions and Answers


descriptive geometry - ANSWER✔✔-A 2D graphical construction technique used for geometric analysis

of 3D objects


Optimization - 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? -

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? - 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? -

ANSWER✔✔-reduced misinterpretation so products could be mass produced


What were the three traditional roles of engineering graphics? - ANSWER✔✔-communication, record

keeping, and analysis


What are some of the new roles of engineering graphics created by computer graphics? - ANSWER✔✔-

(visualization, analysis, function, and optimization) can produce 3D pictures that can be observed from

all sides, can be tested on the computer vs having to test actual models




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What are some of the advantages and disadvantages of using mechanical drawing instruments, as

opposed to mathematical tools, for problem solving? - 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? - 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 - ANSWER✔✔-false


T/F To create a revolved feature, the profile and the axis of revolution must be coplanar. - ANSWER✔✔-

true


To create a solid of revolution, I must... - 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


These are the fundamental types of sketch constraints: - ANSWER✔✔-geometrical and dimensional


I have a distance in my sketch preceded by a "sigma" symbol. This means... - ANSWER✔✔-it is a

dimension driven by a parametric formula


To create the "wedge" homework, this is the best choice of technique: - ANSWER✔✔-well it depends...


The following feature facilitates removal from a mold - ANSWER✔✔-draft


I need to add a clearance hole to my part for fastening. Which is better from a design intent perspective?

- ANSWER✔✔-hole made with a hole wizard



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