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1. The top view of an object shows the height and depth false
dimensions.
2. If a part is finished all over, it must still have appropri- false
ate finish marks on all surfaces.
3. A depth auxiliary view is projected from the right-side false
view.
4. Parallel lines are never in the same plane. false
5. The purpose of an auxiliary view is to show the fore- false
shortened view of a surface.
6. There are 3600 seconds in a degree (angle measure). true
7. There are 3 standard projection planes: frontal, hori- true
zontal, and profile.
8. In first angle projection, the object is between the view- true
er and projection plane.
9. An oblique plane is perpendicular to one of the of the false
primary planes.
10. The front view of an object should be chosen to maxi- false
mize hidden lines.
11. Extension lines may not cross other extension lines. false
12. The first line of dimensions is usually spaced 3/4" from false
the view.
13. Reference dimensions may be used for production false
purposes.
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