6.
Match the term in Column I to the definition in Column II. Write your answer in
the space provided.
COLUMN I
COLUMN II
(1)
___
a.
Heat softening treatment
Cold working
b.
Heat hardening treatment
(2)
___
Strain hardening
c.
Changing the shapes of metal at room
(3)
___
Annealing
temperature.
(4)
___
Tempering
d.
Metal becomes stiffer after force is
applied, to the point of fracture
7.
Select the metallurgical process that restores properties to metals that are
decreased by cold working and annealing.
a. Cold working.
b. Softening heat treatment.
c.
Strain hardening.
d. Hardening heat treatment.
8.
Select the metal included in dental silver alloy which has a specified percentage
range of from 6 to 13 percent.
a. Mercury.
b. Silver.
c.
Tin.
d. Zinc.
e. Copper.
MD0502
1-23
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