The strength of the gypsum specimen when the water in excess of that required for the hydrate of the hemihydrate is left in the specimen is called____________?

Related Mcqs:

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

A. Altering P / L Ratio B. Altering temperature of mixing water C. Speed and length of hand spatulation D. Addition of accelerators and retarders...

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...

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...