This is the bottom surface joining the sides of two adjacent threads:

A. Lead

B. Pitch

C. Crest

D. Root

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
  1. An oil refinery relies on which type of drafter to maintain and update the technical piping drawings…
  2. A circular arc is dimensioned in the view where you see its true shape by giving the value for its:
  3. A partial auxiliary view is used to show only the ________ in the auxiliary view.
  4. This type of structural steel drawing shows all dimensions necessary for fabrication:
  5. These are vertical distances above a common datum, reference plane, or point:
  6. This is used in drawings to represent the edge of a solid object:
  7. The condition of a part when it contains the least amount of material is referred to as ________.
  8. The ________ tool on the Dimension tool bar places the length of an arch on a drawing.
  9. One way to evenly space dimensions on a drawing is to use the ________.
  10. The dimension text size is determined by what the architect deems necessary in __________.
  11. An advantage of this type of view is that each view shows the object all the way through as if it were…
  12. A round is a rounded surface on the ________ corner of a part.
  13. In order to convert fractional inches into decimal inches ________.
  14. Technical drawings typically serve one of three purposes:
  15. When setting up a mechanical drawing in Auto-CAD the drafter should set the units to ________.
  16. Most architectural drawings produced for field use by building contractors are printed on architectural…
  17. This is the plane upon which the top view is projected:
  18. When dimensioning architectural drawings architects will utilize both ________ and ________ options.
  19. This is a line terminated by arrowheads, indicating the direction and extent of a dimension:
  20. In oblique sketches, the most commonly used angles for receding lines are:
  21. The principle views associated with orthographic projection are ________.
  22. These are used to attach parts to a cylinder so they won't turn on it:
  23. It is customary for the first sheet of a working drawing set to include ________.
  24. The MASSPROP shortcut will provide the following information.
  25. Switches and relays should be shown in this position with no operating force or applied energy:
  26. If designs require changes, they should be documented with:
  27. This type of axonometric drawing has equal foreshortening along two axis directions and a different…
  28. This is the term for the range of tightness or looseness resulting from the allowances and tolerances…
  29. Center lines are used to locate or represent the centers of ________.
  30. When the receding lines are true length, and the projectors are at 45 degrees to the plane of projection,…