During the casting process, how is a metal sprue treated?
A) Coated with a surfactant
B) Removed before casting
C) Burned out with the wax
D) Secured in the investment
Correct Answer:
Verified
Q20: The investment material is _; the wax
Q21: Expansion of the binder from added water
Q22: It is important that the temperature of
Q23: What will occur if base-metal castings are
Q24: Investment is retained in a _ while
Q26: Once a molten alloy freezes, what is
Q27: Which factor below does not determine the
Q28: Which is the correct order of operations
Q29: Which of the following will flux minimize?
A)
Q30: How are casting metals melted?
A) A blowtorch
B)
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