Electralloy is an alloy of________________?

Related Mcqs:

1. 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

2. White gold alloy predominantly is______________?

   A. Gold added with palladium
   B. Gold added with calcium
   C. Gold with much of chromium
   D. Gold with silver

3. Which phase provides maximum strength in hardened mercury/silver alloy ?

   A. Silver / Mercury phase
   B. Silver / Tin phase
   C. Tin / Mercury phase
   D. Zinc / Mercury phase

4. In amalgam alloy which acts as oxygen scavenger_____________?

   A. Cu
   B. Zn
   C. Pd
   D. Ag

5. Which of the following constituents of amalgam alloy decreases expansion____________?

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

6. The largest component of amalgam alloy is_____________?

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

7. The yield strength of AUstenite (NiTi alloy) is______________?

   A. 100 Mpa
   B. 240 Mpa
   C. 560 Mpa
   D. 700 Mpa

8. The contraction of gold alloy on solidifying is approximately_____________?

   A. 0.4%
   B. 1.4%
   C. 2.4%
   D. 3.4%

9. NiTi alloy have_______________?

   A. Shape memory
   B. Hyper rigidity
   C. Corrosion resistance
   D. Weldable properties

10. The stiffness of a dental gold alloy is determined by its________________?

    A. Proportional limit
    B. Modulus of elasticity
    C. Ultimate tensile strength
    D. Flow