ASSIGNMENT QUESTIONS - 14069_745
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ASSIGNMENT QUESTIONS - 14069_744
ASSIGNMENT QUESTIONS - 14069_746
Engineering Aid 3 - Beginning Structural engineering guide book
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10-58.
You must set a marker at a certain
point from traverse stations
3 + 00 and 4 + 25.
The angle from
the traverse line to station
3 + 00 and the distance between
the point and station 4 + 25 are
given.
How should you proceed to
set the point?
1.
Solve for the other angle from
the base line, and the
distance of the point from the
other station; then, set the
point by using transit and
tape.
Check the distance and
other angle from base line
2.
Solve for the angle from the
base line to the distance line
and set the point by the use
of transit and tape and check
by measuring the base line
3.
Lay out the lines to the point
with tape and straddlers and
check with a transit
4.
Lay out the lines to the point
with tape and straddlers and
check by remeasuring one leg
of the triangle
10-59.
When tying in a point to a station
on a traverse, which of the
following conditions should you
carefully consider?
1.
The selected tie station
should not be easily disturbed
2.
The tie station must be
visible from the point to be
tied in
3.
Both 1 and 2 above
4.
The angle between the tie
lines should be no greater
than 90°
10-60.
A closed traverse was to be 15,000
feet in length.
The last course
was to be 3,000 feet in length.
After you turn the last deflection
angle and progress 3,000 feet on
the last course, you find that you
are 3 feet from the starting point
of the traverse.
What is the
order of precision?
1.
First
2.
Second
3.
Third
4.
Fourth
10-61.
If precision of 1/20,000 is
required, what is the maximum
allowable error of closure for a
traverse of 10,560 feet?
1.
0.437 ft
2.
0.528 ft
3.
0.759 ft
4.
1.255 ft
IN ANSWERING QUESTION 10-62, REFER TO
TABLE 13-1 IN YOUR TEXTBOOK.
10-62.
1.
10-63.
10-64.
10-65.
10-66.
You are running a traverse of nine
interior angles, and third-order
degree of precision is required.
Which of the following sums of the
interior angles is acceptable?
1259°59’30”
2.
1259°59’48”
3.
1260°01’ 12”
4.
1260°01’30”
A temperature correction applied
to tape measurements is considered
to be a typical precision
specification for which of the
following surveys?
1.
Preliminary surveys
2.
Land surveys where the value
of the land is high
3.
Highway location surveys
4.
Both 2 and 3 above
Which of the following errors in a
transit affects both horizontal
and vertical angle measurements?
1.
The line of sight through the
telescope does not coincide
with the true optical axis of
the telescope
2.
The horizontal axis of the
telescope is not perpendicular
to the vertical axis
3.
The axis of each of the plate
levels is not perpendicular to
the vertical axis of the
telescope
4.
Each of the above
Errors that can lead to inaccurate
surveying when you use a transit
may include which of the following
natural errors?
1.
Tripod settlement
2.
Unequal expansion of transit
parts
3.
Refraction
4.
All of the above
Which of the following personal
errors results in a larger error
for inclined sights than for
horizontal sights?
1.
Failure to focus correctly
2.
Failure to center the plate
level bubbles exactly
3.
Failure to plumb the transit
exactly
4.
Failure to line up the
vertical cross hair with the
true vertical axis of the
sighted object
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