Because cast metal shrinks as it freezes,investment must _____ as it sets.
A) shrink
B) expand
C) stay the same
Correct Answer:
Verified
Q22: It is important that the temperature of
Q27: Expansion of the binder from added water
Q28: Which is the correct order of operations
Q28: Pickling a casting:
A) removes surface oxides.
B) uses
Q29: The purpose of flux is to minimize:
A)
Q30: Rapidly cooling a casting in cold water
Q33: The sprue is removed with a thin
Q34: The type of flux used during dental
Q35: If the molten metal and the investment
Q35: For some gold-based alloys, bench cooling produces
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