Passivating alloys are_______________?

Related Mcqs:

1. The castability of chromium-cobait base metal alloys when compared to gold based noble metal alloys is_______________?

   A. More B. Less C. Equal D. Depends on the alloy type...

2. Cobalt-Chrominum alloys contains_______________?

   A. 30% cobalt and 60% chrominum B. 60% cobalt and 30% chrominum C. 1% palladium D. 20% gold...

3. Reduction in the fusion temperature of dental gold casting alloys is caused by presence of______________?

   A. Platinum B. Copper C. Silver D. Gold...

4. Crucible indicated for casting base metal alloys is______________?

   A. Carbon crucible B. Clay crucible C. Quartz crucible D. High melting plastic crucible...

5. The deoxidizing agent added to dental alloys is______________?

   A. Palladium B. Silver C. Copper D. Zinc...

6. The term ordered hardening heat treatment used in which of the following dental alloys ?

   A. Gold-Copper B. Nickel-Chromium C. Nickel-Titanium D. Silver-Palladium...

7. Which of the following cast gold alloys is used for fabricating partial denture frameworks______________?

   A. Type I – Soft B. Type II – Hard C. Type III – Hard D. Type IV – Extra Hard...

8. The linear solidification shrinkage of Type IV Ni-Cr based alloys is_______________?

   A. 2.3% B. 1.56% C. 1.37% D. 3%...

9. The gold alloys used for casting contain at least…. percent of precious metal according to ADA specification number 5________________?

   A. 55 B. 65 C. 75 D. 85...

10. Investment material used for cobalt-chromium alloys is_____________?

    A. Gypsum bonded B. Phosphate bonded C. Silica bonded D. None of the above...