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Layouts and Lettering
Three systems are used to arrange orthographic views: first, second, and third angle projection.
True
Correct Answer:
False
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Layouts and Lettering
The same general concepts and drafting standards apply to CAD as to drawings created by hand.
The main difference between a CAD drawing and a freehand sketch is in the appearance of lines.
With regard to lettering, the shapes of letters are not described as part of drawing standards.
Drawing units must be clearly stated on the drawing.
In orthographic projection objects can be presented at true size or scaled at a proportion of their true size.
Drawings that use U.S. customary units do not follow ANSI/ASME standards.
Scale is stated as a ratio of the number of drawing units to the number of actual units.
Orthographic projections have projectors that are parallel to the plane of projection.
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