The most commonly used accelerator in gypsum product is___________________?

Related Mcqs:

1. The product, which is obtained by calcining gypsum under steam pressure at 120-130°C or by dehydrating gypsum in the presence of sodium succinate is_______________?

   A. Alpha – hemihydrates
   B. Beta – hemihydrates
   C. Calcium sulphate dihydrate
   D. Orthorhombic anhydrate

2. The function of 2% potassium sulphate in a gypsum product is_____________?

   A. To regulate the setting expansion
   B. Regulate setting time
   C. Acts as retarder
   D. None

3. Type I gypsum product is also called_______________?

   A. Impression plaster
   B. Class I stone / Hydrocal
   C. Class II stone/Densite
   D. Model plaster

4. Gypsum product having least expansion_____________?

   A. Impression plaster
   B. Model plaster
   C. Stone plaster
   D. Die stone

5. All of the following is used as accelerator in zinc oxide eugenol cement except_____________?

   A. Acetic acid
   B. Zinc acetate dehydrate
   C. Calcium chloride
   D. Bromoglycerine

6. Which of the following acts as accelerator in Zinc oxide eugenol______________?

   A. ZnCl2 + Eugenol
   B. ZnCl2 + ZnSO2
   C. Eugenol + ZnO
   D. Zn(OH)2 + ZnO

7. All of the following is used as accelerator in zinc oxide eugenol cement except_______________?

   A. Acetic acid
   B. Zinc acetate dehydrate
   C. Calcium chloride
   D. Bromoglycerine

8. Which of the following component acts as an accelerator in ZOE impression paste ?

   A. Zinc Sulphate & Zinc chloride
   B. Zinc chloride & Eugenol
   C. Zinc Sulphate & Eugenol
   D. Glycerin

9. Name the accelerator used in Zinc oxide eugenol paste______________?

   A. Olive oil
   B. Linseed oil
   C. Zinc acetate
   D. All of these

10. Which of the following inhibitor accelerator system uses light activation composite ?

    A. Diketone-amine
    B. Organic acid-metal oxide
    C. Organic acid-peroxide
    D. Peroxide-amine