3-44.
What type of ditch should be used
to move a large volume of water?
1.
V-bottom
2.
Diversion
3.
Trapezoidal
4.
Flat bottom
3-45.
Which of the following materials
has the greatest amount of runoff?
1.
Stones
2.
Solid rock
3.
Sand
4.
Silt
3-46.
In road construction, whenever a
road crosses a stream with a 9-foot
cross drain, the drain structure
used is called
1.
a culvert
2.
a bridge
3.
a diversion ditch
4.
a channel
3-47.
Diversion ditches drain excess
water away from the roadway to what
system?
1.
Interceptor ditches
2.
Natural earth drains
3.
Culverts
4.
Storm drains
Learning Objective: Identify and
describe airfield nomenclature as
used in the construction of
standard technical drawings.
3-48.
What is another name for a runway?
1.
Landing strip
2.
Landing area
3.
Taxiway
4.
Transition surface
3-49.
What surface provides access to
and from the runway for aircraft?
1.
Apron
2.
Hardstand
3.
Taxiway
4.
End zone
3-50.
The dimensions for the end zone are
specified by what authority?
1.
Federal Aviation Authority
2.
Air wing commander
3.
Aircraft industry
4.
ABFC design criteria
3-51.
On airfields, flexible pavements
can be used in which of the
following locations?
1.
Refueling sites
2.
Shoulders
3.
Service aprons
4.
Runways
Learning Objective: Identify
and describe pavements and the
basic standard materials used
in the construction of roads and
airfields.
3-52.
The terms “flexible pavement” and
“pavement” may be interchanged.
1.
True
2.
False
3-53.
What asphaltic coat is used to help
bind the base course to the surface
course?
1.
Tack coat
2.
Seal coat
3.
Rain coat
4.
Prime coat
3-54.
Which of the following materials
can be used as a subbase for roads
and airfields?
1.
Portland cement
2.
Ashes
3.
Tar
4.
Each of the above
3-55.
Uncrushed, washed gravel should NOT
be used as base course material due
to which of the following factors?
1.
Too high a moisture content
2.
Lack of fine material
3.
Too much binder material
4.
Lack of clay content
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