Once a cast has reached the final set it will need to be trimmed and finished to create the required shape and thickness. What portion of the cast should never be altered or trimmed?

Which of the pouring methods requires a patty of stone to be made for its base? Select all that apply.

Once mixed the flowable gypsum product will be poured into the mould or impression. Which of the following are the most effective procedures to produce an acceptable cast? Select all that apply.

What determines the shape of the mixing spatula you select to mix the gypsum products into the liquid?

There are 3 methods of pouring up a cast. Which one does this statement describe. “simplest and fastest but least accurate method”.

Compressive strength of gypsum products is directly related to the__________________. Which of the following answers would correctly finish this statement?

What is the most effective way to avoid getting air bubbles when mixing a gypsum product?

What physical characteristic of gypsum can decrease its reproduction of detail? 

There are 5 mechanical properties for gypsum products. “the amount of time it takes for a gypsum product to go through a chemical reaction and harden” describes which of the following mechanical properties?

Define ‘exothermic reaction’.