Cobalt-Chrominum alloys contains_______________?

Related Mcqs:

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

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

2. 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...

3. A sporangium contains_______________?

   A. Spherules B. porangiospores C. Chlamydospores D. Oidia...

4. All of the following statements about cast cobalt alloy are true EXCEPT_____________?

   A. They have a modulus of elasticity twice that of gold alloys B. They are more rigid than gold alloys C. They have higher ductility than gold alloys D. They have a lower proportional limit than gold alloys...

5. Resistance to corrosion in a cobalt-chrome casting is due to presence of_______________?

   A. High quality iron B. Chrome C. Cobalt D. Nickel...

6. Microstructure of cobalt chromium alloy in cast condition is______________?

   A. Fibrous B. Homogeneous C. Inhomogenous D. amorphous...

7. Crucible indicated for casting base metal alloys is______________?

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

8. 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...

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. 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...