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Page 1
1. What kind of hazard is ionizing, ultraviolet, microwave, or thermal radiation?
a.
biomechanical
b.
physical
c.
electrical
d.
chemical
ANSWER:
b
2. Types of actions that are not of immediate danger but may lead to injury if repeated over days, weeks, and months are
associated with ____.
a.
fatigue
b.
microwave radiation
c.
physical hazards
d.
ergonomics
ANSWER:
d
3. Problems possibly linked with poor working conditions such as anxiety and irritability, substance abuse, sleeping
difficulties, headaches, and gastrointestinal symptoms are classified as resulting from a(n) ____ hazard.
a.
biomechanical
b.
biochemical
c.
physical
d.
ergonomic
ANSWER:
a
4. The largest hazard in the plastics industry is ____.
a.
biomechanical
b.
physical
c.
chemical
d.
electrical
ANSWER:
c
5. Nearly 90% of toxicity cases in the plastics industry are related to ____ toxic substances.
a.
genetic disruption by
b.
inhalation and absorption of
c.
ingestion of
d.
allergies to
ANSWER:
b
6. Up to 2012, which plastic dominated sales by volume?
a.
polypropylene
b.
phenolics
c.
polyester
d.
high-density polyethylene
ANSWER:
a
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Chapter 04: Health and Safety
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Page 2
7. Section 1 of a material safety data sheet (MSDS) contains ____.
a.
first-aid measures
b.
firefighting measures
c.
accidental release measures
d.
product and company identification
ANSWER:
d
8. Section 3 of a material safety data sheet (MSDS) deals with ____ such as ingestion.
a.
possible entry routes of toxic substances
b.
specific instruction on first-aid treatment
c.
spill or leak procedures
d.
stability of plastics materials
ANSWER:
a
9. What is a safety hazard of carbon monoxide?
a.
pneumoconiosis and dermatitis
b.
carcinogenic skin irritation
c.
asphyxiation
d.
liver and kidney damage
ANSWER:
c
10. Dermal exposure to plastics is one in which plastics or their vapors are ____.
a.
in contact with eyes
b.
ingested
c.
inhaled
d.
in contact with the skin
ANSWER:
d
11. One of the greatest dangers in a fire related to plastics is ____.
a.
formaldehyde
b.
carbon monoxide
c.
carbon dioxide
d.
sulfur
ANSWER:
b
12. Combustion often produces toxic by-products. Which substance is most toxic in terms of minutes to death?
a.
wool
b.
polystyrene
c.
silk
d.
polyethylene
ANSWER:
a
13. A decomposition product of PVC is ____.
a.
carbon monoxide
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Chapter 04: Health and Safety
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b.
formaldehyde
c.
HCI
d.
acetaldehyde
ANSWER:
c
14. The thermal degradation of PVC releases ____ at 100 degrees C (212 degrees F).
a.
acetaldehyde
b.
HCI
c.
carbon monoxide
d.
formaldehyde
ANSWER:
d
15. Which dust, used in the plastics industry, has the greatest capacity for explosion?
a.
alkyd molding compound
b.
cornstarch
c.
chlorinated polyether alcohol
d.
melamine-formaldehyde
ANSWER:
b
16. In this table, OSHA uses ____ to indicate the amount and time of exposure considered permissible per eight hour
work day in a 40 hour work week.
a.
STEL
b.
TLV
c.
PEL
d.
REL
ANSWER:
c
17. Table 4.2 indicates that ____ is easily detected.
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Chapter 04: Health and Safety
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Page 4
a.
acrylonitrile
b.
acetaldehyde
c.
ammonia
d.
tetrahydrofuran
ANSWER:
b
18. Inhaling fumes containing decomposition products of ____ may cause influenza-like symptoms. This is sometimes
called “polymer-fume fever” and includes fever, cough, and malaise.
a.
polyethylene terephthalate (PET)
b.
polyoxymethylene (POM)
c.
polyvinyl chloride (PVC)
d.
fluoroplastics
ANSWER:
d
19. At 230 degrees C (446 degrees F), POM releases ____.
a.
formaldehyde
b.
acetaldehyde
c.
ammonia
d.
hydrochloric acid
ANSWER:
a
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Chapter 04: Health and Safety
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Page 5
20. At 300 degrees C (572 degrees F), nylon releases ____.
a.
formaldehyde
b.
carbon monoxide
c.
ammonia
d.
hydrochloric acid
ANSWER:
b
