The ability of an alloy to withstand mechanical stresses without permanent deformation is reflected by its______________?

Related Mcqs:

1. Brinnel hardness number of a dental gold alloy is directly proportional to its______________?

   A. Tensile strength
   B. Elongation
   C. Modulus of elasticity
   D. Modulus of resilience

2. While charting the dentition of a child, the pedodontist finds that the following teeth are present in all the four quadrants; permanent central incisor , permanent lateral incisor , decidous cuspid , decidous first molar, decidous 2nd molar and permanent 1st molar. The eruptive pattern may be considered most nearly normal for a child aged_____________?

   A. 3-6 years
   B. 7-10 years
   C. 11-14 years
   D. 15- 18 years

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. The elastic of plastic deformation to fracture a material is its_______________?

   A. Toughness
   B. Brittleness
   C. Young’s modulus
   D. Proportional limit

5. Liquids which become more rigid as the rate of deformation increases is termed as_____________?

   A. Thixotropic
   B. Pseudoplastic
   C. Dilatant
   D. Newton

6. Deformation that is recovered upon removal of an externally applied force or pressure is known as_____________?

   A. Young’s modulus
   B. Plastic strain
   C. Elastic strain
   D. Flexural strain

7. The permanent mandibular second molar differs from the permanent mandibular first molar in number of ______________?

   A. Cusps
   B. Roots
   C. Lingual grooves
   D. Marginal ridges

8. In normal occlusion , with which grooves / surface of the permanent mandibular first molar does the mesiobuccal cusp of the permanent maxillary first molar occlude______________?

   A. Distobuccal groove
   B. Mesial surface
   C. Mesiobuccal surface
   D. Transverse groove

9. If a permanent first molar is lost, the permanent second molar drifts to the______________?

   A. Buccal side
   B. Distal side
   C. Mesial side
   D. Lingual side

10. Mechanical properties of Cp Titanium are similar to alloys_____________?

    A. Type III and Type IV gold
    B. Type V and type VI gold
    C. Type VII and type VIII gold
    D. None of the above