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.Management Sciences
A. Rapid spatulation results in decreased setting time
B. 2% potassium sulphate is accelerator
C. Citrates are retarders
D. All of the above
Related Mcqs:
- The most commonly used accelerator in gypsum product is___________________?
- A. Sodium fluoride B. Potassium fluoride C. Potassium sulfate D. Aluminium sulfate...
- Which is gypsum product_______________?
- A. Stone B. Plaster C. Investment D. All of the above...
- Powders of dental plaster and dental stone differ mainly in____________?
- A. Solubility B. Shelf life C. Chemical formula D. Particle porosity...
- Setting of POP is result of______________?
- A. Difference in solubility of CaSo4 ½ H2O + CaSO4+ 2H2O B. Reaction between CaSO4+ 2H2O and water C. Nucleation and growth of CaSo4 ½ H2O crystals D. Reaction between hemihydrate and hihydrate...
- Gillmore needle is used for_______________?
- A. Testing the strength of plaster of paris B. Evaluating the setting time of plaster of pris C. Testing the metal hardness D. Testing the purity of noble metals...
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