10-49.
Moving a transit onto the straight
line between two points by a
trial-and-error method is referred
to by which of the following
terms ?
1.
Bucking in only
2.
Jiggling in only
3.
Wiggling in only
4.
Bucking in, jiggling in,
wiggling in, and balancing in
IN ANSWERING QUESTION 10-50, REFER TO
FIGURE 13-19C IN YOUR TEXTBOOK.
10-50.
If deflection angles a and /3 are 4
and 6 minutes, respectively, and
distance a equals 4 feet, how far
should you set up the instrument
from B’ so that it is exactly in
line with points A and C?
1.
1.
1.0 ft
2.
1.4 ft
3.
1.6 ft
4.
2.4 ft
10-51.
For which of the following
situations should the random line
method be used?
1.
To run a line between
nonintervisible end points
from an intermediate point
from which both end points are
visible
2.
To run a line between
nonintervisible end points
when there is no intermediate
point from which both end
points are visible
3.
To establish intermediate
stations between
nonintervisible end points
4.
Both 2 and 3 above
10-52.
What tying-in method should you
use when locating the
configuration of an irregular
shoreline from a traverse line?
1.
Swing offsets
2.
Random lines
3.
Range ties
4.
Perpendicular offsets
10-53.
What meaning is generally given to
the term “setting a point”?
1.
Establishing a point at a
designated location
2.
Relocating control points that
have been destroyed
3.
Locating reference lines for a
displaced station
4.
Setting the instrument upon a
designated point
10-54.
You can tie-in a point or set a
point to two stations on a
traverse by taking which of the
following measurements?
1.
Its angle and distance from
one station
2.
Two of its angles, one from
each station
3.
Its distance from one station
and its angle from the other
station
4.
Each of the above
10-55.
Two 50-foot tapes can be used to
set a point that is designated by
a distance from each of two
traverse stations, provided that
which of the following conditions
exists?
The ground is absolutely level
2.
The point is not more than 50
feet from either station
3.
The tapes are marked off in
hundredths of a foot
4.
A rough survey is being made
10-56.
You are setting a point at given
distances from two stations on a
traverse.
Both distances are
longer than your tapes.
You could
set this point by using which of
the following methods?
1.
Running the tapes out from
both traverse stations and
crossing them at the proper
point
2.
Using a transit and range pole
to shoot to the new point
3.
Using a transit, rod, and tape
to lay off the appropriate
distance to the point
4.
Solving for one of the
interior angles of the
triangle and then using a
transit, rod, and tape to lay
off the appropriate distance
to the point
10-57.
Surveyors use straddlers for which
of the following purposes?
1.
To relocate control points
that have been destroyed
2.
To tie in a new traverse with
reference to its angle to an
old survey line
3.
To tie in a point with
reference to its angle from
two stations
4.
To locate the reference lines
for a displaced station
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