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Questions and Answers
What is the typical water/powder ratio for plaster?
What is the typical water/powder ratio for plaster?
- 0.22
- 0.5 (correct)
- 0.3
- 0.25
Which type of gypsum has a higher water/powder ratio compared to type 2 gypsum?
Which type of gypsum has a higher water/powder ratio compared to type 2 gypsum?
- DIE STONE
- Plaster
- Type 1 gypsum (correct)
- Type 3 gypsum
What influences the control of setting time of gypsum material?
What influences the control of setting time of gypsum material?
- Temperature
- Atmospheric pressure
- Mixing (correct)
- Humidity
Compared to plaster, what does DIE STONE require less of for mixing?
Compared to plaster, what does DIE STONE require less of for mixing?
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In Diagram 1, the material presented is _______________ the material presented in Diagram 2.
In Diagram 1, the material presented is _______________ the material presented in Diagram 2.
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