The most common geometric form used in gears today is this:

A. Involute profile

B. Convolute profile

C. Base circle

D. Spur circle

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  1. In this type of dimensioning, allowance must be made for bends:
  2. This is a curve showing the displacement of the follower as ordinates on a base line that represents…
  3. A back or backing weld is a type of:
  4. This is an angled surface used on cylinders to make them easier to handle:
  5. Objects that are symmetric can be shown effectively using this type of section:
  6. By using a ________ section of a cylindrical mechanical part the drafter should be able to show only…
  7. The distance a screw thread advances axially in one turn is the:
  8. The second line of dimensions out from the plan generally includes ________.
  9. There are two main types of projection:
  10. A projection weld is a type of:
  11. The Offset tool should only be used for placing ________ in an isometric drawing.
  12. 4.The principle reason for using an auxiliary view is ________.
  13. These breaks are used to shorten the view of an object:
  14. PDM is the acronym for:
  15. Drawings created with commercial software are typically saved as:
  16. This is used in applications for nonferrous construction:
  17. Placement of dimensions on a drawing is controlled by ________.
  18. When using the descriptive geometry method to create an auxiliary view the drafter should __________.
  19. The edges of a cube in isometric projection make angles of this many degrees with each other:
  20. How can the drafter prevent Auto-CAD from placing or stacking another center mark on a circle when adding…
  21. When creating a Cutting Plane line with Auto-CAD it is customary to use a ________ to create the line.
  22. A partial auxiliary view is used to show only the ________ in the auxiliary view.
  23. To insure that everyone understands what the electrical symbols represent it is customary to include…
  24. This type of projection is when projectors are parallel to each other, but is at an angle other than…
  25. In the section view, the areas that would have been in actual contact with the cutting plane are shown…
  26. In offset sections, offsets or bends in the cutting plane are all:
  27. This is how axonometric, oblique, and perspective sketches show objects:
  28. A fillet is a rounded surface on the ________ corner of a part.
  29. A line drawn with a long section, short dash, and another long section is a ________.
  30. Students can complete an associate's degree in drafting which normally takes about ________ years to…