Mechanical Drawing Board and CAD Techniques ©2010

Chapter 10: Descriptive Geometry

Practice Tests

1
The basic planes used in descriptive geometry are normal, oblique, and
A)sloped.
B)angled.
C)inclined.
D)rotated.
E)revolved.
2
A normal line is ____ to one of the three reference planes.
A)parallel
B)oblique
C)inclined
D)perpendicular
E)rotated
3
Two lines that are not parallel and do not intersect are called ____ lines.
A)true length
B)perpendicular
C)rotated
D)revolved
E)skew
4
One way to show the true distance between parallel lines is ____.
A)point projection
B)slope
C)bearing
D)auxiliary projection
E)calculating grade
5
In AutoCAD®, the ____ command adds a user-specified depth to a two-dimensional object.
A)LAYERS
B)TRIM
C)XTHICK
D)THICKNESS
E)MTHICK
6
To show the true length of an oblique line, you must use a(n) ____ reference plane.
A)oblique
B)skew
C)auxiliary
D)perpendicular
E)parallel
7
The dimensioning command that can also be used to find the true length of any line in a 3D CAD model is the ____ command.
A)DIMALIGNED
B)DIMALIGN
C)DIMSTYLE
D)DIMEDIT
E)DIMLINEAR
8
The point on a coordinate system at which two axes cross is known as the
A)piercing point.
B)XLINE.
C)beginning.
D)access point.
E)origin.
9
An angle a line makes in the top view with a north-south line is called its
A)axis.
B)bearing.
C)origin.
D)N/S angle.
E)reference angle.
10
When two planes intersect, they form a(n) ____ angle.
A)oblique
B)complementary
C)dihedral
D)right
E)supplementary
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