technical-drawing-orthographic-projection Related Question Answers

1. This type of surface is tipped to all principal planes of projection and does not appear true size in any standard view:





2. Visible lines always take precedence over hidden lines or centerlines.



3. Any object can be viewed from six mutually perpendicular views.



4. A total of three principal views are arranged in a standard way.



5. Height is shown in the left-side, top, right-side, and bottom views.



6. A plane surface always projects either on edge or as a surface in any view.



7. If an edge is perpendicular to a plane of projection, it appears as a point.



8. The depth dimensions in the top and side views do not necessarily correspond.



9. The profile plane is the plane upon which the side view is projected.



10. The rear, left-side, front, and right-side views align horizontally.



11. Width is shown in the rear, top, front, and bottom views.



12. If an angle is in an inclined plane, it may be projected either larger or smaller than the true angle depending on its position.



13. Usually screws, bolts, shafts, tubes, and other elongated parts are drawn in a vertical position in the front view.



14. A normal surface is perpendicular to a plane of projection.



15. In orthographic views, dashed lines represent features that would be hidden behind other surfaces.



16. Drawings are two-dimensional representations of objects that allow you to record sizes and shapes precisely.



17. Any principal view shows three of the four principal dimensions.



18. A plane surface that is parallel to a plane of projection appears on edge as a straight line.



19. First-angle projection is primarily used in Europe and Asia.



20. The top, front, and bottom views align in this manner:





21. If a plane is parallel to the plane of projection, it appears:





22. This line pattern is composed of three dashes, one long dash on each end with a short dash in the middle:





23. This is the plane upon which the top view is projected:





24. An advantage of this type of view is that each view shows the object all the way through as if it were transparent:





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