5-19.
What type of projection places the object at
an angle to the picture plane while
maintaining one set of vertical edges
parallel to the picture plane?
1.
One-point
2.
Two-point
3.
Three-point
4.
Linear
5-20.
Under which of the following
circumstances is it possible to take some
dimensions directly from a two-point
perspective drawing?
1.
When the station point is below the
object
2.
When the station point is on the
ground line
3.
When one edge of the projection
touches the picture plane
4.
When the vertical parallel edge is
unaffected by station points
5-21.
Which of the following attributes is
characteristic to oblique perspective?
1.
No object surfaces are parallel to the
picture plane
2.
Height is the only dimension having a
vanishing point
3.
Width and depth dimensions have a
vanishing point
4.
Height and width have no vanishing
points
5-22.
What should you do to make small objects
appear better in three-point perspective
drawings?
1.
Place the vanishing points far apart
2.
Place the vanishing points close
together
3.
Place one vanishing point above and
two below
4.
Place all three vanishing points above
the horizon line
5-23.
In a one-point perspective drawing using
the plan-view method of construction, after
drawing the plan view, picture plane, and
station point, you should take what step
next?
1.
Locate the vanishing point
2.
Project a vertical line from the station
point to the horizon line
3.
Project the width of the plan view to
the ground line
4.
Draw visual rays to the vanishing point
5-24.
Where should you find the required
information for using the plan-view method
of mechanical construction of a perspective
drawing?
1.
An isometric drawing
2.
An orthographic drawing
3.
NAVSO P-35
4.
MIL-STD 110A
5-25.
What is the first step in constructing a one-
point perspective drawing using the plan-
view method?
1.
Locate the station point
2.
Obtain a depth dimension
3.
Draw the plan view
4.
Establish a horizon line
5-26.
How are the vanishing points located?
1.
Extend the vertical lines of the plan
view to the ground line
2.
Project a ground line parallel to the
horizon line
3.
Draw the horizon line and drop
perpendiculars to the station points
4.
Project a vertical line from the station
point to the horizon line
5-27.
How should you correct distortion in
perspective drawings?
1.
Move the ground line
2.
Move the horizon line
3.
Move the station points
4.
Move the cone of visual rays
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