Study Questions for Step 5

Directions: Print this page and write the answers to these questions on another sheet or type the answers using ApplesWorks or access the Tech Draw Server to download a copy.

• What are "form" and "positional" tolerances and why is it important to use them in the design of components?
• Define the following terms as used in the application of geometric tolerancing:
  Datum
  Datums features
  Straightness
  Flatness
  Circularity
  Cylindricity
  Angularity
  Perpendicularity
  Parallelism
  True Position
  Concentricity
  Runout
• List the four characteristics of "form" and give the universally accepted symbol
• List three characteristics of "orientation" and give the universally accepted symbol:
• List the two characteristics of "location" and give the universally accepted symbol:
• List the two forms of "runout", describe each, and give the universally accepted symbol:
• List the four "modifiers" and give the symbol for each:
• Give an example of a "feature control frame" and describe how it is used?
• What information is contained in a "feature control frame"?
• What is a surface quality measurement?
• Give an example of the basic "surface texture symbol" or "finish mark":

Entire contents Copyright ©1998. All rights reserved. [Updated: 8/23/04]