In multiview (orthographic) projection, which kind of view has the advantage that each view represents the object as if transparent, showing features aligned through the part (with hidden or section lines as needed)?

Difficulty: Easy

Correct Answer: Orthographic

Explanation:


Introduction / Context:
Orthographic projection is the backbone of engineering drawings. It decomposes a 3D object into multiple related 2D views where internal features may be indicated by hidden lines or revealed by sections, making the object appear “transparent” along the projection direction.



Given Data / Assumptions:

  • The question refers to a view type where each view shows the object fully along a projection direction.
  • Hidden or section lines convey interior geometry.
  • Standard views include front, top, and side.


Concept / Approach:
Orthographic projection projects features perpendicularly onto planes. Any features behind others along the line of sight are still represented (as hidden lines) or can be explicitly revealed via sectional views, hence the “transparent” description.



Step-by-Step Solution:

Recognize the projection type that shows full depth information per view → orthographic.Differentiate from pictorial methods that show surfaces visually but not always exact internal alignment.Select orthographic as the best match.


Verification / Alternative check:
Compare a front view of a drilled block: holes not visible on the front face still appear as hidden circles/lines due to orthographic conventions.



Why Other Options Are Wrong:

  • Planar/Horizontal: describe planes, not the projection method.
  • Auxiliary: used to show true shape of inclined features, not the general “transparent” behavior of standard views.


Common Pitfalls:
Assuming “transparent” implies only section views; hidden-line conventions within orthographic views already convey occluded features.



Final Answer:
Orthographic

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