9-29.
Using the average-end-area method,
what is the volume between stations
2 + 00 and 3 + 00?
1.
69.0 cu yd
2.
712.4 cu yd
3.
1,424.8 cu yd
4.
2,429.6 cu yd
Learning Objective: Apply prin-
ciples and procedures associated
with the use of the mass diagram
method to balance cut and fill
as well as to limit haul distance
in earthwork construction.
9-30.
What is the importance of knowing
the swell and compaction factors
of the different types of soil?
1.
Determining the different
volumes of the soil in various
conditions
2.
Determining the shrinkage of
the volume when excavated
3.
Determining the loss of
material when hauled
4.
Determining the waste created
during excavation
9-31.
What is considered the limit of
economic haul?
1.
When the cost of the haul
equals the cost of excavation
2.
Any distance over 1,000 ft
3.
One half of the free haul
distance
4.
When the cost of excavation
equals twice the cost of the
haul
9–32 .
What distance is normally
considered the free-haul distance?
1.
400 ft
2.
500 ft
3.
750 ft
4.
1,000 ft
9-33.
When you prepare the table of
cumulative yardage, how are the
volumes obtained?
1.
By scaling the cross sections
2.
By area-by-formula method
3.
By average end area and
distance
9-34.
The term balance line refers to
the point on a mass diagram where
1.
a cut becomes a fill
2.
a fill becomes a cut
3.
the haul limit is exceeded
4.
the volume of fill equals
the volume of cut
9-35.
On a mass diagram, what term
describes the section where a
fill becomes a cut?
1.
Minimum yardage
2.
Maximum yardage
3.
Balance line
4.
Line of zero yardage
Learning Objective: Recognize
the procedures of performing
stakeout and as-built surveys
for bridges, culverts, and
underground utilities.
9-36.
As-built surveys are performed to
determine which of the following
purposes?
1.
Quantity of work left to
complete
2.
Points as actually constructed
3.
Quantity of work actually
completed
4.
Both 2 and 3 above
9-37.
At what point in construction
should as-built data be collected?
1.
At the completion of a section
of the work
2.
At the end of a job
3.
At the completion of work for
each sheet of the drawing
4.
Each of the above
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