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1. A _______ continues in opposite directions infinitely.
a. line
b. plane
c. ray
d. segment |
| Answer: a |
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2. What are line segments that define the boundary of an object?
a. dashes
b. edges
c. planes
d. rays |
| Answer: b |
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3. What is an imaginary plane where all lines drawn in a view are perpendicular to it?
a. edge view
b. perpendicular plane
c. principle plane
d. projection plane |
| Answer: d |
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4. What is the frontal plane?
a. the depth and width of an object
b. the height and width of an object
c. the length and height of an object
d. the length and width of an object |
| Answer: c |
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5. What is a line showing a receding surface that is perpendicular to the plane of projection?
a. edge view
b. horizontal line
c. parallel line
d. vertical line |
| Answer: a |
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