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1. A steep drop in plastics production in 2008-2009 can be attributed to the ____.
a.
World Trade Center bombing
b.
financial crisis that started in 2008
c.
wars in Afghanistan and Iraq
d.
demand for crude oil
ANSWER:
b
2. The projections for plastics production by 2020 have been based on the growth of plastics in ____.
a.
aeronautics
b.
space travel
c.
medical technology
d.
the automotive industry
ANSWER:
d
3. One of the five states that enacted bottle deposit laws in the 1970s is ____.
a.
Oregon
b.
Pennsylvania
c.
New York
d.
Texas
ANSWER:
a
4. Recycling is a term generally reserved for ____.
a.
reuse of waste materials generated during manufacturing
b.
reprocessing of waste materials generated during manufacturing
c.
postconsumer waste materials
d.
incineration of waste materials
ANSWER:
c
5. Why has there been so little success in bottle deposit laws?
a.
consumers have been slow to recycle
b.
major soft drink manufacturers oppose it
c.
the federal government opposes it
d.
there is great diversity in state laws concerning recycling
ANSWER:
b
6. Historically, a problem with PET bottle recycling was related to the fact that ____.
a.
the FDA did not allow recycled materials to be in contact with food
b.
PET bottles has toxic materials
c.
the FDA imposed steep inspection costs on recycled PET
d.
PET bottles were an alloy of unknown substances
ANSWER:
a
7. Because residents often make mistakes in sorting plastic containers, many large communities accept ____.
a.
PVC only
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b.
only HDPE plastics
c.
only nonplastics
d.
commingled materials
ANSWER:
d
8. In recycling collection trucks, the greatest volume collected is ____
a.
plastics
b.
mixed paper
c.
cardboard
d.
aluminum cans
ANSWER:
a
9. In a materials recovery facility (MRF), the conveyor belts that move recycled materials past employees who sort them
are called ____.
a.
sorting lines
b.
magnetic sorting features
c.
picking lines
d.
baling lines
ANSWER:
c
10. Natural HDPE bottles are mostly ____.
a.
clear bottles
b.
opaque bottles suitable for bleach
c.
juice containers
d.
milk jugs
ANSWER:
d
11. What is the process in which a blower system separates the fine pieces out that are too light to fall through a controlled
updraft?
a.
baling
b.
elutriation
c.
decanting
d.
flotation
ANSWER:
b
12. Automatic sorting systems detect the chemical makeup of material, such as the ____ systems that detect opacity.
a.
single wavelength infrared (IR)
b.
multiple wavelength IR
c.
optical
d.
X-ray
ANSWER:
a
13. The type of depolymerization that produces useful monomers is called ____.
a.
pyrolysis
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b.
decomposition
c.
hydrolysis
d.
liquefaction
ANSWER:
c
14. What is an advantage of incineration?
a.
it is environmentally friendly
b.
it is very economical
c.
it provides an 10% to 20% reduction in the volume of the solid waste
d.
it does not require sorting of the solid wastes
ANSWER:
d
15. Polymer materials that derive from renewable resources, such as corn rather than petroleum-based plastics are known
as ____.
a.
degradable plastics
b.
bioplastics
c.
biodegradable plastics
d.
hydrolyzed plastics
ANSWER:
b
16. This pie chart shows that ____ represents the highest percentage of production.
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a.
low-density polyethylene
b.
polyvinyl chloride
c.
high-density polyethylene
d.
polystyrene
ANSWER:
c
17. This figure shows an early idea to remedy the problem of the FDA not allowing the use of ____ in food contact
applications.
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a.
PVS
b.
HDPE
c.
plastics
d.
recycled materials
ANSWER:
d