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.Management Sciences
A. Class II stone
B. Densite
C. Class I stone or hydrocal
D. Model or lab plaster
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...
- Water powder ratio of dental stone and plaster is respectively_________________?
- A. 0.28 and 0.6 B. 0.6 and 0.28 C. 0.6 and 3.2 D. 0.28 and 0.98...
- 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...
- 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...
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