MAE 1351 EXAM 1 UPDATED Exam Questions and CORRECT Answers
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Course
MAE 1351
Institution
MAE 1351
MAE 1351 EXAM 1 UPDATED Exam
Questions and CORRECT Answers
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...
MAE 1351 EXAM 1 UPDATED Exam
Questions and CORRECT Answers
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 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
These are the fundamental types of sketch constraints: - CORRECT ANSWER✔✔-
geometrical and dimensional
I have a distance in my sketch preceded by a "sigma" symbol. This means... - CORRECT
ANSWER✔✔- it is a dimension driven by a parametric formula
To create the "wedge" homework, this is the best choice of technique: - CORRECT
ANSWER✔✔- well it depends...
The following feature facilitates removal from a mold - CORRECT ANSWER✔✔- draft
I need to add a clearance hole to my part for fastening. Which is better from a design intent
perspective? - CORRECT ANSWER✔✔- hole made with a hole wizard
A blend (loft) requires at least these many profile sketches: - CORRECT ANSWER✔✔- two
COTS stands for: - CORRECT ANSWER✔✔- Comercial Off The Shelf
T/F Aluminum is a common prototyping material - CORRECT ANSWER✔✔- true
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