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

Related Mcqs:

1. Which of the following increases castability of base metal alloys________________?

   A. Tin B. Beryllium C. Molybdenum D. Carbon...

2. Modern dental noble metal casting alloys generally have equiaxed fine grain structures because of the incorporation of small amounts of______________?

   A. Chromium B. Indium C. Irridium D. Palladium...

3. In type II gold alloys _______ Karat gold is used?

   A. 24 K B. 22 K C. 18 K D. 10 K...

4. 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...

5. Crucible indicated for casting base metal alloys is______________?

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

6. In Base metal alloys, Corrosion resistance occurs due to___________________?

   A. Passivity B. High Fusion Temperature C. High Molecular Weight D. Co-efficient of Thermal Expansion...

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

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

8. Compared with noble metals, base metals show_______________?

   A. Increased hardness B. Increased ductility C. Better biocompatibility D. Increased density...

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

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

10. 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...