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Hutchinson CVEN 250 Midterm Review

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Hutchinson CVEN 250 Midterm Review Standard ️️formal document that institutes a uniform method to perform an action or defines a criterion for a product. Standards are defined by organizations such as ANSI (American National Standards Institute) responsible for regulating many engineering...

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  • October 26, 2024
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  • 2024/2025
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Hutchinson CVEN 250 Midterm Review
Standard ✔️✔️formal document that institutes a uniform method to perform an action or defines a
criterion for a product. Standards are defined by organizations such as ANSI (American National
Standards Institute) responsible for regulating many engineering standards used in the US.



Convention ✔️✔️methods and criteria used so extensively that they become dominant and generally
accepted and adopted by the public. They are also known as "industry standards"or "de facto
standards". There are no organizations or formal documents that define conventions. These conventions
can differ between industries or even firms within the same industry.



Hold a Pencil... ✔️✔️between the thumb, forefinger, and second finger without gripping it too tightly.
The most ergonomically efficient position to hold the pencil is at a 60°angle with the paper.



Artistic Drawings vs Technical Drawings ✔️✔️Artistic- concerned with colors, forms, compositions, and
other elements that affect the sense of beauty.

Technical- COMMUNICATE technical information, capturing details necessary for production or
modification.



When sketching LINES, ✔️✔️-keep your eye on the endpoint.

-If necessary, break long lines into short segments by marking the midpoint

-Make quick light strokes initially.

-Darken only the lines you want.



When sketching CIRCLES and ELLIPSES, ✔️✔️break large arcs/circles into small segments.

-Sketch a light square/rectangle.

-Lightly sketch in diagonals.

-Mark contact points on square/rectangle.

-Rotate the paper for each segment.



Sketching ✔️✔️Some sketching is to illustrate concepts.

•Some sketching is done as an aid to clearer thinking.

, •Some sketching is done to illustrate actual objects.

•It is very easy to fall into the trap of saying, "This sketch is just for my use, it does not have to be neat."



Isometric Projection ✔️✔️•Axes equally separated (120°)

•H, W, and D measurements are true size along isometric axes

•Angles must be located by coordinates

•Circles appear as ellipses on all surfaces



Oblique Projection ✔️✔️parallel projections where the most descriptive face of the object is projected
parallel to the projection plane, thus appearing true size, and depth is represented using angled, parallel
lines drawn to one side of the front face.The use of oblique drawings is normally limited to simple parts
and objects, or complex objects with simple top and side surfaces.



Cabinet ✔️✔️Half depth



Perspective Projection ✔️✔️The way objects are represented in perspective projections is the way
eyes perceive the world.

•However, perspective drawings contain the most visual errors of any standard projection method; lines
or angles with the same dimension on the object will have different dimensions on the drawing.



Differential Aptitude Test ✔️✔️Measures the ability to visualize a 3D object from a 2D pattern and to
visualize how this object would look if rotated in space.



Foreshortening ✔️✔️phenomenon that exists when an object extends away from the viewer, making
a

feature appear smaller than it actually is.



ATTDEF ✔️✔️Creates an attribute definition

•To create an attribute, you must first create an attribute definition, which describes the characteristics
of the attribute.

•The characteristics include...

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