22: Test Your Knowledge

1. Define fastener.
   
2. Identify five different types of threaded fasteners.
   
3. List five applications that make use of threaded fasteners.
   
4. What is the difference between coarse and fine threads?
   
5. What is the pitch of a screw thread and how is it expressed for inch-based screw threads?
   

For questions 6–8, match each method of representation with the correct illustration.

6. Detailed representation.
     A. B. C.
7. Schematic representation.
     A. B. C.
8. Simplified representation.
     A. B. C.
9. Explain the meaning of the inch-based screw thread note 1/2-20UNF-3LH.
   
10. What types of fasteners are most commonly used to assemble products made of wood?
    

For questions 11–16, match each statement with the correct fastener terminology.

11. Threaded on both ends.
      A. Machine screw B. Cap screw C. Stud bolt D. Nut E. Washer F. Key
12. Fitted on a bolt.
      A. Machine screw B. Cap screw C. Stud bolt D. Nut E. Washer F. Key
13. Distributes clamping pressure of a nut or bolt.
      A. Machine screw B. Cap screw C. Stud bolt D. Nut E. Washer F. Key
14. Used for any general assembly work where screws less than 1/4″ in diameter are needed.
      A. Machine screw B. Cap screw C. Stud bolt D. Nut E. Washer F. Key
15. A fastener that passes through a clearance hole in one part and screws into a threaded hole in the other part.
      A. Machine screw B. Cap screw C. Stud bolt D. Nut E. Washer F. Key
16. A small piece of metal fitted into a shaft and hub to prevent turning on a shaft.
      A. Machine screw B. Cap screw C. Stud bolt D. Nut E. Washer F. Key
17. What information is needed to draw hexagonal and square bolts and nuts?
      A. Machine screw B. Cap screw C. Stud bolt D. Nut E. Washer F. Key