1.What is the most likely cause of air bubbles appearing on the surface of a casting?
2.What is the purpose of using an asbestos liner inside a casting ring?
3.Which property tends to reduce as a material undergoes strain hardening?
4.How can suck back porosity in a casting be prevented?
5.Which element, present in trace amounts in stainless steel, has the greatest impact on altering its properties?
6.Which binder is commonly used in gypsum-based investment materials?
7.Which statement accurately describes the spring-back property of Nickel-Titanium alloy?
8.What is a primary benefit of titanium compared to other base metal alloys?
9.Which ingredient in inlay wax helps prevent it from flaking?
10.What is the characteristic microstructure of a cobalt-chromium alloy in its as-cast state?
11.What is the process responsible for the formation of dendrites in CST alloys?
12.How do base metals differ from noble metals in terms of their physical properties?
13.The mechanical characteristics of commercially pure (Cp) titanium closely resemble which types of gold alloys?
14.Which heat treatment process is used to remove the changes caused by cold working?
15.In the case of indirect spruing, which type of porosity can be effectively reduced?
16.What is the percentage of linear solidification shrinkage for Type IV Ni-Cr based alloys?
17.Which type of cast gold alloy is typically utilized for making partial denture frameworks?
18.Why do contemporary noble metal casting alloys used in dentistry typically exhibit fine, equiaxed grain structures?
19.What is the primary purpose of adding nickel to wrought gold alloys?
20.What is the correct sequence of stages in the annealing process?