GT-1 Geotextiles are usually joined in the field by:
A.
Overlapping
B.
Sewing
C.
Heat bonding
D.
All of the above
E.
None of the
above
GT-2 When installed on a slope, a geotextile should
always be:
A.
lapped with the downstream edge over the
upstream edge
B.
placed adjacent
to each other with no overlap
C.
overlapped six
inches and sewn
D.
be constructed
so that no joints ever occur
GM-1 The primary reason extrusion fillet welding of
polyolefin geomembranes requires surface grinding of the sheets is:
A.
for convenience
of the welders
B.
the edges are
usually too thick
C.
for added
material strength
D.
to remove surface oxidation
GM-2 Why are trial test strips important in the
installation of a geomembrane?
A.
to satisfy
regulations requirements
B.
to test the seamer’s abilities
C.
to verify that the equipment is working
properly and the workmanship is acceptable
D.
to generate
friction with the liner contractor
GCL-1
Adjacent rolls of GCLs are jointed by what method?
A.
sewing
B.
stapling
C.
mechanical
connection
D.
welding
E.
overlapping
GCL-2 When a
GCL has a nonwoven needle punched geotextile on one
surface and a woven slit film geotextile on the other surface:
A.
placement of
which surface is up does not matter
B.
the nonwoven geotextile side should always be up
C.
the woven
geotextile side should always be up
D.
the site-specific plans must provide
guidance
CCL-1 The zero
air voids curve is also known as:
A.
maximum density
curve
B.
100% saturation curve
C.
100% relative
compaction curve
D.
95% relative
compaction curve
CCL-2 Fines are
defined as:
A.
fraction of
soil passing through the opening of a 100 sieve (150 mm)
B.
fraction of soil passing though the
openings of No. 200 sieve (75 mm)
C.
loamy fraction
of a soil
D.
clay fraction
of a soil
E.
percent
retained on a No. 200 (75 mm)
sieve but passing a No. 140 sieve (106 mm)