If base-metal castings are pickled,_____ will occur.
A) oxidation
B) corrosion
C) tarnish
D) shrinkage
Correct Answer:
Verified
Q6: Which of the following sequences describing the
Q21: The blowtorch used to heat casting alloys:
A)
Q22: Investment is retained in a _ while
Q23: Casting alloys are melted using:
A) a blowtorch.
B)
Q24: If a metal sprue is used,it must
Q26: A sprue forms a channel in the
Q27: Expansion of the binder from added water
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
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