A. 9-20% copper
B. 13-20% copper
C. 9-30% copper
D. 13-30% copper
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Related Mcqs:
- The percentage of copper in high copper alloy is______________?
- A. 10-12% B. 0-6% C. 13-30% D. 20-30%...
- Which of the following statements about high copper silver alloy compared to conventional alloy is not true ?
- A. It has increased tensile and compressive strength B. It has poor tarnish and corrosion resistance C. It’s edge strength is greater D. Mercury content in the final restoration is less...
- High copper dental amalgams are superior to other amalgams because high copper dental amalgems______________?
- A. Have less marginal breakdown B. Are workable at lower Hg-alloy ratio C. Have a higher ratio of tensile to compressive strength D. Have less resistance to tarnish and corrosion...
- Which of the following are characteristic feature of high copper amalgam alloy ?
- A. Low compressive strength B. High marginal breakdown C. Less marginal # D. High creep...
- Copper content in low copper amalgam is________________?
- A. 6% B. 12-30% C. 29% D. 19%...
- Which of the following statement is true regarding lathe cut low Copper silver alloy ?
- A. Requires least amount of mercury B. Achieves high compressive strength at 1 hr. C. Has tensile strength both at 15 minutes and 7 days is comparable to high copper, unicompositional alloys D. Has lower cree value...
- Percentage of tin in low copper alloy is______________?
- A. 30-35% B. 26-28% C. 13-32% D. 22-30%...
- Imbilical cord contains_________________?
- A. Three arteries and one vein B. One artery and three veins C. One artery and one vein D. Two arteries and one vein...
- In a high copper amalgam the phase, which is eliminated is_______________?
- A. Gamma 1 B. Gamma 2 C. Gamma 1 and 2 D. No phase is eliminated...
- Which is not true about high copper amalgam alloys______________?
- A. Low tensile and compressive strength B. Low Hg: Alloy ratio C. High tensile strength D. Low creep...
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