1.Which of the following actions can reduce subsurface porosity?
2.Which type of inlay wax is predominantly used in the direct technique?
3.Which term is used to indicate the purity level of gold?
4.What is the role of minor elements like tin and indium, which oxidize easily, in a metal-ceramic crown used for a fixed partial denture (FPD)?
5.Which type of investment material is commonly used for cobalt-chromium alloy castings?
6.What is the role of silica sol in phosphate-bonded investments?
7.What is another name for boxing wax?
8.The shape memory effect in NiTi alloys is primarily due to which stress-induced phase transformation?
9.Which of the following methods help to offset casting shrinkage?
10.According to ADA Specification No. 5, what is the minimum percentage of precious metal required in gold alloys used for casting?
11.Which process is used to eliminate impurities from castings?
12.Which of the following materials exhibits the shape memory effect?
13.Which acid is most suitable for pickling gypsum-bonded investment materials?
14.What compound is responsible for the corrosion of stainless steel?
15.During which phase of annealing does a wrought metal experience a sharp drop in tensile strength accompanied by a rise in ductility?
16.Among the following dental materials, which type exhibits the greatest thermal conductivity?
17.Which material is considered the most biocompatible for use in the oral cavity?
18.Which type of wax is obtained from lignite?
19.Which compound is used in the electrolytic solution for silver plating processes?
20.What is the primary cause of suck back porosity in castings?