Finer particle size of silica______________?

Related Mcqs:

1. Average particle size of powdered gold is________________?

   A. 10 um B. 15 um C. 30 um D. 0.1 um...

2. The particle size in microfilled composites is_____________?

   A. 0.05 to 0.04mm B. 0.5 to 1.0 microns C. 0.01 to 0.1 microns D. 0.3 to 0.4mm...

3. The Dane particle is the______________?

   A. HBV B. IgG anti HAV C. Delta Virus D. HBC Ag...

4. One virus particle prevents multiplication of 2nd virus. This phenomena is____________?

   A. Viral interference B. Mutation C. Supervision D. Permutation...

5. Green strength with reference to plaster means_____________?

   A. Dry strength B. Compressive strength C. Strength of dental stone due to green colour D. The wet strength...

6. The hygroscopic technique is associated with______________?

   A. Investment B. Hydrocolloids C. Amalgam D. Silicate...

7. Modiffiers are added to gypsum mainly to_______________?

   A. Modify setting time B. Modify setting expansion C. Modify strength D. Decrease the porosity...

8. Impression plaster containing potato starch is called______________?

   A. Plaster of paris B. Soluble plaster C. Anti – expansion solution D. Die stones...

9. As per DNA No. 25, minimum amount of setting expansion required for type V gypsum products_______________?

   A. 0.05 B. 0.10 C. 0.15 D. 0.20...

10. The setting expansion of gypsum products can be reduced by________________?

    A. Increased spatulation B. Adding potassium sulfate C. Less water powder ratio D. Allowing setting under water...