25: Test Your Knowledge

1. Define machine tool.
   
2. Briefly describe the operating principle of a lathe.
   
3. A(n) ______ lathe has a six-sided tool holder used for different machining operations.
   
4. List three operations that can be performed on a drill press.
   
5. What is the difference between a vertical milling machine and a horizontal milling machine?
   
6. Briefly describe how a broach operates.
   
7. Grinding removes material by rotating a(n) ______ against the workpiece.
   
8. What differentiates a basic CNC milling machine from a machining center?
   
9. A turning center is an example of what type of machining?
   
10. A turning center is an example of what type of machining?
    
11. Briefly describe how the fused deposition modeling (FDM) process operates.
    
12. Briefly describe the difference between the stereolithography and selective laser melting (SLM) processes.
    

Match each of the following terms with the correct statement.

1. Blanking
2. Compression molding
3. Composite
4. Forming
5. Pattern
6. Permanent mold casting
7. Sand casting
8. Transfer molding

13. A metalworking operation in which sheet metal is given a three-dimensional shape.
      A. Blanking B. Compression molding C. Composite D. Forming E. Pattern F. Permanent mold casting G. Sand casting H. Transfer molding
14. A process in which the mold must be destroyed to remove the casting.
      A. Blanking B. Compression molding C. Composite D. Forming E. Pattern F. Permanent mold casting G. Sand casting H. Transfer molding
15. A process in which the mold is not destroyed when the casting is removed.
      A. Blanking B. Compression molding C. Composite D. Forming E. Pattern F. Permanent mold casting G. Sand casting H. Transfer molding
16. A type of material composed of two or more materials.
      A. Blanking B. Compression molding C. Composite D. Forming E. Pattern F. Permanent mold casting G. Sand casting H. Transfer molding
17. The object used to make the mold cavity in a sand mold.
      A. Blanking B. Compression molding C. Composite D. Forming E. Pattern F. Permanent mold casting G. Sand casting H. Transfer molding
18. A process in which a measured amount of plastic is placed into a two-part mold, the mold is heated and closed, and pressure forces the plastic into all parts of the mold.
      A. Blanking B. Compression molding C. Composite D. Forming E. Pattern F. Permanent mold casting G. Sand casting H. Transfer molding
19. A process in which plastic is heated in a separate section of the mold before it is forced into the mold cavity.
      A. Blanking B. Compression molding C. Composite D. Forming E. Pattern F. Permanent mold casting G. Sand casting H. Transfer molding
20. A metalworking operation that involves cutting sheet metal to the shape of the finished part.
      A. Blanking B. Compression molding C. Composite D. Forming E. Pattern F. Permanent mold casting G. Sand casting H. Transfer molding