This is a solid shape that fits inside the mold and forms a hole in a cooled cast metal or molten plastic object:

A. Core

B. Cavity

C. Prototype

D. Hole mold

Related Questions

  1. In some circumstances an entire drawing can be inserted into a different drawing as a block. When this…
  2. There should be a visible gap between the wall and the ________ line.
  3. This is a thin solid line directing attention to a note or dimension and starting with an arrowhead…
  4. In this type of drawing, vertical pipes may be revolved into the horizontal plane:
  5. This type of section is not in direct projection from the view containing the cutting plane:
  6. Three dimensional models are often used in the design process to __________.
  7. Dimension text is generally placed above the ________ line.
  8. The foundation contractor will work with the following architectural plans.
  9. When designing a home for a client, one of the most important predesign considerations that an architect…
  10. This type of auxiliary view is projected onto a plane that is perpendicular to one of the principal…
  11. The first step in creating a traditional technical drawing is to ________.
  12. In these drawings it is necessary to show cut surfaces and distinguish between adjacent parts:
  13. When using the direct entry method to create a horizontal line exactly three inches long the drafter…
  14. When drawing a line using the relative coordinate system a line is created from ________.
  15. These are vertical distances above a common datum, reference plane, or point:
  16. When dimensioning piping drawings, you give the lengths of all runs of this type:
  17. The Free Orbit tool is found on the ________ toolbar.
  18. When the drafter types the word BLOCK or selects the Make Block tool from the Draw tool bar the ________…
  19. The UCS icon represents the intersection of the ________.
  20. On typical electronic diagrams, these items need not be shown unless they are needed for clarification:
  21. This type of solid is egg-shaped and can be created by revolving an ellipse around one of its axes:
  22. The Auto-CAD command used to combine two or more primitive shapes into a single complex 3-dimensional…
  23. When positioning this feature of perspective projection, the centerline of the cone of visual rays should…
  24. The organized and orderly approach to solving problems is known as the:
  25. The text used on a typical detail sheet should be ________.
  26. A full scale technical drawing will have a scale factor of ________.
  27. Drafters should use a ________ in a section view of a mechanical part that includes the cylindrical…
  28. When adding dimensions to an auxiliary view it will be necessary to use the ________ tool.
  29. This is the term for the range of tightness or looseness resulting from the allowances and tolerances…
  30. Approximately this much of the cost of product development and manufacture is determined at the design…

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