ADA specification number of gypsum products are described under____________?

Related Mcqs:

Model plaster (white) used to cast study models before mixing with water, is largely composed of____________?

A. CaO B. CaCO3 C. (CaSO4)2-½H2O D. CaSO4-2H2O...

The β (Beta) hemihydrate of gypsum requires more water to float its powder particles because______________?

A. They are more regular in shape and dense B. They are more regular in shape and highly porous C. They are more irregular in shape and porous D. They are more dense and prismatic in shape...

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...

Type III Dental gypsum is__________________?

A. Class II stone B. Densite C. Class I stone or hydrocal D. Model or lab plaster...

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...