The process of changing the rubber base product or liquid polymer, to a rubber like material is generally known as_____________?

Related Mcqs:

1. The process wherein two or more chemically different monomers, each with some desirable property, can be combined to yield specific physical properties of a polymer is known as_____________?

   A. Step-growth polymerization B. Addition polymerization C. Condensation polymerization D. Copolymerization...

2. The cross linking agent of polysulphide rubber base impression material is______________?

   A. Aromatic sulfonate esters B. Stannous octate C. Platinum salt catalyst D. Lead dioxide...

3. Rubber base impressions are poured immediately as they_______________?

   A. Continue to polymerize B. Become elastic C. Show imbibition and syneresis D. Show gelation...

4. Dimensional stability of elastomeric impression material can be given in descending order as_____________?

   A. Polysulphide > polyether > Condensation silicone > Addition silicone B. polyether > Condensation silicone > Polysulphide > Addition silicone C. Addition silicone > polyether > Polysulphide > Condensation silicone D. Addition silicone> Condensation silicone > Polysulphide > polyether...

5. The greatest stress which may be produced in a material such that stress is directly proportional to the strain is know as_____________?

   A. The elastic limit B. The proportional limit C. The yield strength D. Modulus of elasticity...

6. Streptococcus mutans produces an adhesive polymer from sucrose, known as:__________?

   A. Levans B. Lectins C. Glucans D. Polyfructans...

7. The accepted polymer to monomer ratio for packing of polymethyl methacrylate resin is____________?

   A. 3:1 B. 4:1 C. 10:1 D. 5:1...

8. Benzoin methyl ether in a polymer indicates that they may be cured in the presence of________________?

   A. UV light B. Visible light C. Infrared light D. Diketone...

9. 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...

10. By product of condensation reaction between silicone base and alkyl silicate in presence of tin octate_______________?

    A. Ethyl alcohol B. Glycol C. Acetate D. Propanolol...