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1. In the process of embossing plastics, ____ is the result of applying coatings over items that have not been properly
dried.
a.
crazing
b.
blushing
c.
cracking
d.
texturing
ANSWER:
b
2. To treat plastics prior to decorating, the part may be passed through a hot oxidizing flame of 1100°C to 2800°C in a
process known as ____.
a.
corona discharge
b.
plasma treatment
c.
chemical treatment
d.
flame treatment
ANSWER:
d
3. Chemical treatment of polyacetals and polymethylpentene polymers consists of submerging the part in a(n) ____ bath.
a.
acid
b.
electrolyte
c.
water
d.
acetone
ANSWER:
a
4. One of the biggest difficulties of coloring plastics is ____.
a.
it is not ideal for large batches
b.
expense of the colored resins
c.
matching color
d.
lack of available colors
ANSWER:
c
5. The most versatile and frequently used method of decorating plastics is ____ painting.
a.
screen
b.
spray
c.
electrostatic
d.
dip
ANSWER:
b
6. When a single or base color of paint is needed, ____ painting is optimal if the part is withdrawn from the paint slowly.
a.
screen
b.
spray
c.
electrostatic
d.
dip
ANSWER:
d
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7. Forcing a special ink or paint through the small openings of a stenciled apparatus onto the product surface is known as
____ painting.
a.
screen
b.
spray
c.
electrostatic
d.
dip
ANSWER:
a
8. An advantage of painting plastics is that ____.
a.
several inexpensive methods are possible
b.
hand methods have low labor costs
c.
solvents used are not a health hazard
d.
painting increases cold impact resistance
ANSWER:
a
9. In ____ stamping, a mark or image is transferred from a carrier film to the product surface by heat and pressure.
a.
cold
b.
rubber die
c.
foil
d.
roll-leaf
ANSWER:
d
10. An advantage of hot-leaf stamping is ____.
a.
initial capital investment is not costly
b.
molding of parts is done at the same time as stamping
c.
no solvent clean up or disposal is needed
d.
multicolored transfers are relatively inexpensive
ANSWER:
c
11. What is an example of a decorative application of plating?
a.
appliance finishes
b.
semiconductors
c.
flexible mirrors
d.
metallized foils for dielectrics
ANSWER:
a
12. What is a disadvantage of plating?
a.
plating is less expensive than metallizing
b.
plastics parts need polishing before plating
c.
setup is expensive and uses several steps
d.
plating is less durable than metallizing
ANSWER:
c
13. A method in which raised, rigid printing plates are inked and pressed against the plastics part while transferring an
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image is called ____.
a.
letterflex
b.
plating
c.
letterpress
d.
engraving
ANSWER:
c
14. Which method offers the ability to transfer printed designs to irregular surfaces?
a.
letterflex
b.
plating
c.
letterpress
d.
engraving
ANSWER:
a
15. When an overlay or coated film called a foil becomes part of the molded product, the process used is ____.
a.
in-mold decorating
b.
rotogravure
c.
offset lithography
d.
electrostatic printing
ANSWER:
a
16. During in-mold decorating, ____ methods can be used to hold foils in the proper location.
a.
chemical
b.
elastomeric
c.
electrostatic
d.
heated
ANSWER:
c
17. In this process, a flexible transfer pad picks up the impression from the inked engraving plate and transfers it to the
item to be printed.
a.
Tampoprint
b.
roller method
c.
stencil inking
d.
electromagnetic inking
ANSWER:
a
18. Which process is similar to hot-leaf stamping except multicolored designs are possible?
a.
plating
b.
engraving
c.
in-mold decorating
d.
heat transfer decorating
ANSWER:
d
19. A means of transferring a picture or design to plastics which generally consists of a decorative film on a paper backing
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is known as ____.
a.
plating
b.
engraving
c.
decalcomanias
d.
heat transfer decorating
ANSWER:
c
20. A mechanical or electrostatic means of placing a velvet-like finish on nearly any surface is called ____.
a.
flocking
b.
wood-graining
c.
foiling
d.
cladding
ANSWER:
a