The product, which is obtained by calcining gypsum under steam pressure at 120-130°C or by dehydrating gypsum in the presence of sodium succinate is_______________?

Gypsum Products 30/06/2021

A. Alpha – hemihydrates
B. Beta – hemihydrates
C. Calcium sulphate dihydrate
D. Orthorhombic anhydrate

Related Mcqs:

    The main ingredient in dental plaster in_______________?
    A. Calcium sulphate hemihydrate B. Calcium phosphate C. Calcium anhydrate D. Calcium sulphate dihydrate...
    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...
    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____________?
    A. Dry strength B. Green strength C. Water strength D. Compressive strength...
    Gypsum is used for________________?
    A. Impressions B. Casts C. Die D. Casts and Dies...

Leave a Reply

Your email address will not be published. Required fields are marked *