7-44.
Two points, A and B, are 125 feet
apart. A 100-foot contour passes
through point A and a 125-foot
contour passes through point B and
the slope is uniform. How far from
point A, to scale, should you
interpolate the 115-foot contour?
1.
15 ft
2.
50 ft
3.
75 ft
4.
115 ft
7-45.
When drawing contour lines by using
control points, what must you do to
locate contour lines?
1.
Scale
2.
Interpolate
3.
Average
4.
Randomize
7-46.
An area on a topographic map where
contour lines are evenly spaced and
wide apart represents a
1.
valley
2.
gentle, uniform slope
3.
steep, uniform slope
4.
ridge
7-47.
In what direction does the curve of
a contour line cross a stream?
1.
Upstream
2.
Westward
3.
Downstream
4.
Eastward
7-48.
Contour lines represent what in
relation to the earth’s surface?
1.
Horizontal planes
2.
Vertical planes
3.
Grid lines
4.
Different points of elevation
7-49.
A panoramic sketch shows the
terrain in what manner?
1.
In contour lines
2.
In elevation
3.
In perspective
4.
Both 2 and 3 above
Learning Objective: Recognize
appropriate scale for topographic
maps; identify correct design and
placement of topographic
specifications.
7-50.
Which of the following scales
represent a large-scale topographic
map?
1.
1 in. =
50 ft
2.
1 in. =
120 ft
3.
1 in. =
500 ft
4.
1 in. = 1,000 ft
7-51.
Which of the following contour
intervals should you use to prepare
an intermediate-scale map of a
hill?
1.
1 ft
2.
2 ft
3.
10 ft
4.
20 ft
7-52.
Which of the following operations
is NOT one of the basic operations
for construction of a topographic
map?
1.
Plotting horizontal control
2.
Plotting details and ground
points
3.
Determining slope distances
4.
Drawing contour lines
7-53.
What lines are drawn before the
actual contour lines are plotted on
a topographic map?
1.
Spur and ridge lines
2.
Vertical control and spur lines
3.
Spur and valley lines
4.
Ridge and valley lines
7-54.
For clarity on small-scale maps,
how should buildings and other
features be shown?
1.
To scale
2.
Larger than scale and true to
shape
3.
Larger than scale and by
symbols
4.
By location in the notes
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