4-64.
When sketching a long, straight
vertical line, you should first place
a dot at each end of the line.
What
is your next step?
1.
Connect the dots with a series of
short pencil strokes
2.
Connect the dots with one long
pencil stroke
3.
Place additional dots at
intermediate points along the
line, then connect the dots with
a series of short pencil strokes
4.
Place additional dots at
intermediate points along the
line, then connect the dots with
one long pencil stroke
4-65.
To divide lines and areas into equal
4-66
4-67.
4-68.
parts, you should use what process?
1.
Visual approximation
2.
Arbitrary estimation
3.
Geometric construction
4.
Dividing and redividing
What is the basic angle you should
use when sketching?
1.
30°
2.
60°
3.
45°
4.
90°
Which of the following items will
serve as a substitute for a pencil
compass?
1.
2.
3.
4.
One
Pencil, piece of string, and a
thumbtack
Pencil, rubberband, and a
thumbtack
Two pencils and a rubberband
Two pencils and a piece of paper
method of freehand sketching of a
circle calls for you rotate the-paper
with one hand.
What part of your
hand serves as the pivot point?
1.
The side
2.
Index finger only
3.
Second finger only
4.
Either the index or second
finger, whichever is easier
Figure 4E
IN ANSWERING QUESTIONS 4-69 AND 4-70, YOU
ARE DFUIWING A CURVE TANGENT TO STRAIGHT
LINES AND HAVE PROCEEDED AS FAR AS SHOWN IN
FIGURE 4E.
4-69.
What should your next step be?
1.
Placing a dot at D
2.
Sketching a light curve through
D between B and C
3.
Drawing a straight line between
B and C
4.
Drawing a straight line from A
through D midway between B and C
4-70.
What is the preferred way to sketch
the curve after you place the dot or
X through which the curve is to
pass?
1.
Start at B, and proceed through
the dot or X, and end at C
2.
Start at C, proceed through the
dot or X, and end at D
3.
Start at the dot or X and sketch
to C, return to the dot or X,
and then sketch to B
4.
Start at D, proceed to C, back
to D, and then to B
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