Tublulence of molten gold is due to _____________?
Correct answer: D. None of the above
- A. Impurities in gold
- B. Improper venting
- C. A and B
- D. None of the above
Explanation
Molten-gold turbulence is primarily related to casting flow, such as excessive pressure or poor sprue design, rather than simply impurities or venting alone. Since the standard cause is not represented by the listed choices, none of the above is the best answer.
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