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WorksheetsCH 2 Orthographic Projection
Total questions: 15
Worksheet time: 8mins
An orthographic projection is a __________ representation of a three-dimensional object?
Isometric
Good
2D
3D
In the United States, what angle projection is used as the standard?
1st
2nd
3rd
4th
The front and right side views are aligned
Vertically
Horizontally
At a 45deg Angle
They do not align up
The front and top views are aligned
Vertically
Horizontally
At a 45deg Angle
They do not align up
The projection symbol, indicating the projection method used to create the drawing, is placed in the ____________block.
Title
Revision
Projection
Tolerance
The standard views used in an orthographic projection are … ( select all that apply )
Front
Top
Back
Right Side
Left Side
The view that generally shows the most characteristics of the part and contains the least number of hidden lines.
Front
Top
Back
Right Side
Left Side
Hidden lines are used to indicate …
edges and boundaries that you can see.
edges and boundaries that you cannot see.
imaginary features.
symmetric features.
Phantom lines are used to indicate ...
alternate positions.
repeated detail.
related parts.
change in surface direction.
Centerlines are used to indicate ....
axes of symmetry.
paths of motion.
circles of center.
change in surface direction.
To indicate line importance we draw lines using different lines ....
texture
thicknesses
colors
symbols
The thickest line type on a non-sectioned orthographic projection.
visible
hidden
centerline
dimension
If a hidden line and centerline appear in exactly the same location on a drawing, which one do you delete?
Hidden
Center
Projection or construction lines are not shown on the final drawing.
True
False
Should a centerline end at the boundary of an object?
Yes
No
