NiTi alloy have_______________?

Related Mcqs:

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

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

2. 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

3. 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

4. Composite resins in comparison to acrylic have_______________?

   A. Low compressive strength
   B. High abrasive resistance
   C. High water absorption
   D. High polymerization shrinkage

5. In occlusion the teeth have_______________?

   A. Cusp to cusp contact
   B. Edge to edge contact
   C. Marginal contact
   D. Surface to surface contact

6. 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

7. Gold content of an 18 carat alloy is______________?

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

8. Percentage of gold in high noble alloy is______________?

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

9. Nickel-Titanium alloy has__________________?

   A. Unreliable spring back
   B. low spring back
   C. Minimal spring back
   D. None of the above

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

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