Podcast
Questions and Answers
Which step in the investment casting process involves heating the mold to melt the wax and allow it to drip out of the cavity?
Which step in the investment casting process involves heating the mold to melt the wax and allow it to drip out of the cavity?
- Step 3
- Step 6
- Step 5 (correct)
- Step 7
Which manufacturing process involves producing wax patterns that attach to a sprue to form a pattern tree?
Which manufacturing process involves producing wax patterns that attach to a sprue to form a pattern tree?
- Shell molding
- Investment casting (correct)
- Expendable mold casting
- Vacuum molding
In investment casting, what is the purpose of preheating the mold to a high temperature before pouring the molten metal?
In investment casting, what is the purpose of preheating the mold to a high temperature before pouring the molten metal?
- To lower the melting point of the metal
- To solidify the metal faster
- To remove any remaining wax residue (correct)
- To increase buoyancy
Which type of casting allows for the creation of intricate one-piece components with detailed features like separate airfoils?
Which type of casting allows for the creation of intricate one-piece components with detailed features like separate airfoils?
In sand casting, what is the purpose of a pattern?
In sand casting, what is the purpose of a pattern?
Which material is commonly used to make patterns in sand casting due to being easy to work with but prone to warping?
Which material is commonly used to make patterns in sand casting due to being easy to work with but prone to warping?
Among the following, which process involves creating a ceramic mold that can be used multiple times?
Among the following, which process involves creating a ceramic mold that can be used multiple times?
Which expendable mold casting process uses a pattern made of expanded polystyrene?
Which expendable mold casting process uses a pattern made of expanded polystyrene?
What is a key advantage of investment casting over other casting methods?
What is a key advantage of investment casting over other casting methods?
Which type of casting is limited to lower melting point alloys due to the mold material used?
Which type of casting is limited to lower melting point alloys due to the mold material used?
What is a disadvantage of the Zimmer NexGen mobile-bearing knee (MBK) casting process?
What is a disadvantage of the Zimmer NexGen mobile-bearing knee (MBK) casting process?
Which casting process involves pouring a plaster and water mixture over a pattern to create the mold?
Which casting process involves pouring a plaster and water mixture over a pattern to create the mold?
What is the economic disadvantage of expendable mold casting compared to permanent mold casting?
What is the economic disadvantage of expendable mold casting compared to permanent mold casting?
Which type of mold is used in ceramic-mold casting that allows for the casting of high-temperature alloys?
Which type of mold is used in ceramic-mold casting that allows for the casting of high-temperature alloys?
