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1. When planning a new plastics product, it is best to confer first with ____.
a.
a bank
b.
resin manufacturers
c.
die companies
d.
mold makers
ANSWER:
b
2. In a proprietorship, private capital or loans are used for financing, whereas in a corporation, the sale of ____ is used for
capitalization.
a.
stock
b.
products
c.
bonds
d.
assets
ANSWER:
a
3. Many of the problems of a struggling and failing business may be associated with ____.
a.
poor sales
b.
a mediocre product
c.
poor management
d.
unskilled personnel
ANSWER:
c
4. Employment opportunities for ____ are outstanding because they make up nearly half the plastics industry workforce.
a.
minorities
b.
men
c.
women
d.
unskilled labor
ANSWER:
c
5. Table 23-1 shows there is no waste material and output rate is low for which manufacturing method?
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a.
blow molding
b.
rotational casting
c.
vacuum bag
d.
extrusion
ANSWER:
b
6. Preheating auxiliary equipment may be necessary because many plastics are ____.
a.
hydrophobic
b.
phototropic
c.
hydrophilic
d.
hygroscopic
ANSWER:
d
7. Desiccant dryers utilize ____ to remove moisture from the air in order to speed the drying process.
a.
hopper dryers
b.
chemicals
c.
heat lamps
d.
blow dryers
ANSWER:
b
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8. What is used with thermoplastic products to reduce sink marks and distortion?
a.
annealing tanks
b.
granulators
c.
preform equipment
d.
microprocessors
ANSWER:
a
9. What is pictured here?
a.
temperature control system
b.
annealing tank
c.
granulator
d.
preform equipment
ANSWER:
a
10. A grinder that is used to reprocess material is called a ____.
a.
runner
b.
pelletizer
c.
granulator
d.
sprue
ANSWER:
c
11. A device made of two unlike metals that is used to measure temperature is called a ____.
a.
thermocouple
b.
thermometer
c.
barometer
d.
voltmeter
ANSWER:
a
12. It is important in injection molding that the cooling system be able to remove the total heat load generated during each
cycle and to ensure that all molded sections will cool at the same rate to minimize differential ____.
a.
crazing
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b.
checking
c.
shrinkage
d.
cracking
ANSWER:
c
13. Hydraulic power systems operate by forcing ____ through a system.
a.
air
b.
electrcity
c.
fluid
d.
heat
ANSWER:
c
14. In a competitive plastics market, a business must produce ____ faster, cheaper, and better than the competition if the
business is to be profitable.
a.
molds
b.
die casts
c.
tools
d.
products
ANSWER:
a
15. If a die is owned or made by the molder, it is called a ____ mold.
a.
proprietary
b.
custom
c.
customer-owned mold
d.
compression
ANSWER:
a