CAD Practice — Auxiliary views of 3D parts can be created efficiently in AutoCAD and similar CAD tools by reorienting the UCS or defining view planes aligned to inclined faces.
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ACorrect
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BIncorrect
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COnly possible with manual board drafting
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DRequires perspective projection to work
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EWorks only for sheet-metal parts
Answer
Correct Answer: Correct
Explanation
Introduction / Context:CAD platforms streamline auxiliary-view creation using features like UCS reorientation, named views, and construction-line tools. This accelerates producing true-shape views for inspection and dimensioning.
Given Data / Assumptions:
- Part geometry includes inclined faces.
- CAD supports UCS alignment and orthographic viewing.
- Projection remains parallel (orthographic), not perspective.
Concept / Approach:By aligning the viewing plane with an inclined surface, CAD shows that surface in true size. Geometry and dimensions placed in this orientation avoid foreshortening and confusion.
Step-by-Step Solution:1) Identify target face; set UCS parallel to it.2) Use offset/construction lines to project references.3) Create the auxiliary view and annotate.4) Save a named view for repeatable workflows.
Verification / Alternative check:Measured lengths on the auxiliary view match true lengths of edges lying in the plane; if not, the UCS is misaligned.
Why Other Options Are Wrong:Manual drafting is not required; perspective is not used for orthographic auxiliaries; applicability is not limited to sheet metal.
Common Pitfalls:Leaving the UCS in an unintended state; dimensioning from the wrong view; omitting clear labels for auxiliary views.
Final Answer:Correct