Tublulence of molten gold is due to _____________?
Correct answer: B. None of the above
- A. Impurities in gold
- B. None of the above
- C. A and B
- D. Improper venting
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.
Report an error
The more specific you are, the faster it gets fixed. A source beats an opinion.
Prefer email? [email protected]
Practise Metals and Alloys
125 free Metals and Alloys MCQs from Dental Materials, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Discussion
Stuck on an option, or know a faster way to get there? Ask or explain it here.
No comments yet. Be the first to explain this one.
Exams that ask Dental Materials questions like this
Dental Materials is on this paper prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for it.
More Metals and Alloys questions
A highly polished surface on a metallic dental restoration aids considerably in the prevention of the____________?
The yield strength of AUstenite (NiTi alloy) is______________?
Stabilization of stainless steel is achieved by adding____________?
In a patient with allergy to costume jewelry, which of the following is contraindicated______________?
Indium in metal alloys_______________?
Cobalt-Chrominum alloys contains_______________?