The yield strength of AUstenite (NiTi alloy) is______________?

Related Mcqs:

1. NiTi alloy have_______________?

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

2. Austenite is an alloy of iron of and carbon with the iron in______________?

   A. Alpha form
   B. Beta form
   C. Gamma form
   D. None of the above

3. Shape memory in NiTi is because of stress induced form__________________?

   A. Austenite to martensite
   B. Martensite to austenite
   C. Ferrite to austenite
   D. Austenite to ferrite

4. 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

5. 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

6. Gold content of an 18 carat alloy is______________?

   A. 25%
   B. 50%
   C. 75%
   D. 100%

7. Percentage of gold in high noble alloy is______________?

   A. N 25%
   B. 25%
   C. >40%
   D. 0%

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

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

9. In non zinc containing dental amalgam alloy the percentage of zinc present is______________?

   A. Less than 0.02%
   B. Less than 0.1%
   C. Less than 0.01%
   D. None of the above

10. 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