In plaster of paris the setting time is primarily altered by_________________?

Related Mcqs:

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...

ADA specification number of gypsum products are described under____________?

A. 1 B. 4 C. 12 D. 25...

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 I gypsum product is also called_______________?

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