Which one of the following is most elastic ?

Related Mcqs:

1. Which one of the following impression materials is elastic, sets by a chemical reaction and is catalyzed by chloroplatinic acid_______________?

   A. Condensation silicone B. Polyether C. Polysulfide D. Poly vinyl siloxane...

2. For dental amalgam, the elastic modulus and tensile strength is______________?

   A. 40 Gpa and 60 – 100 Mpa B. 21 Gpa and 27 – 55 Mpa C. 350 Gpa and 10 – 120 Mpa D. 360 Gpa and 125 – 130 Mpa...

3. Before pouring an elastic impression it is washed with slurry of water and stone to______________?

   A. Increase gel strength B. Prevent syneresis C. Prevent distortion D. Wash off saliva on impression...

4. One of the most important advantages of truly elastic impression material would be its capacity for______________?

   A. Close adaptation to soft tissues B. With drawl without permanent distortion C. Reproduction of surface details D. Compatibility with gypsum products...

5. Most ideally elastic among the following_______________?

   A. Polyether B. Addition silicone C. Polysulphide D. Condensation silicone...

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

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

7. Elastic cartilage is found in_________________?

   A. Auditory tube B. Nasal septum C. Articular cartilage D. Costal cartilage...

8. 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...

9. Which one of the following elements is NOT added is small amount to be used as grain refiners ?

   A. Iridium B. Ruthinium C. Indium D. Platinum...

10. Which of the following cast gold alloys is used for fabricating partial denture frameworks______________?

    A. Type I – Soft B. Type II – Hard C. Type III – Hard D. Type IV – Extra Hard...