Working time of gypsum products can be increased by
Gypsum Product III

Quiz
•
Education
•
Professional Development
•
Hard

Abhishek Bhagat
Used 14+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Using slurry water for mixing
Faster spatulation
Increasing the water: powder ratio
Increasing the time of mixing within practical limits
2.
DROPDOWN QUESTION
1 min • 1 pt
The length & Diameter of Vicat penetrometer are
(a)3.
DRAG AND DROP QUESTION
1 min • 1 pt
Accelerators and retarders are used with gypsum products mainly to control
(a)4.
DRAG AND DROP QUESTION
1 min • 1 pt
Which is the most commonly used accelerator in gypsum product?
(a)5.
DRAG AND DROP QUESTION
1 min • 1 pt
A gypsum cast can be safely removed from the impression at the end of
(a)6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A retarder can slow down the setting reaction of dental stone by the following mechanism:
Enhancing the solubility of hemihydrate
Increasing the precipitation of dihydrate
Inhibiting the crystal growth
Providing greater number of nuclei of crystallization
7.
DRAG AND DROP QUESTION
1 min • 1 pt
The main purpose of adding modifiers to gypsum products is to modify their
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