UPDATE 2026
An orthographic projection is a representation of an object? - Answers Two dimensional
In the US, is 1st or 3rd angle projection used as the standard? - Answers 3rd
The standard views used in an orthographic projection are - Answers Front, Top, Right Side
the view that generally contains the least number of hidden lines. - Answers Front
Are the front and right side views aligned vertically or horizontally? - Answers Horizontally
To indicate line importance we draw lines using different line .... - Answers Thickness
The thickest line type on a non-sectioned orthographic projection. - Answers Visible.
If a hidden line and center line appear in exactly the same location on a drawing, which one do
you delete. - Answers Center Line
Are the front and top side views aligned vertically or horizontally? - Answers Vertically
Projection or construction lines are not shown on the final drawing. True or False? - Answers
True
Phantom lines are used to indicate... - Answers Alternate positions, repeated detail, related
parts.
Center lines are used to indicate... - Answers Axes of symmetry, paths of motion, circles of
center.
Should a center line end at the boundary of an object? yes or no? - Answers No
A detailed drawing is an orthographic projection with... - Answers Dimensions, notes,
manufacturing specifications, everything necessary to manufacture and inspect the part. (All of
them)
Dimensions generally take the form of... - Answers Linear dimensions, leader lines, angular
dimensions, and notes (All of them)
Dimension and extension lines are thin so that they will not be mistaken for ... lines. - Answers
Visible
Which line type does not have arrowheads? - Answers Extension
Leader lines should not be ... - Answers Horizontal, Curved, & Vertical