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Home Technical Drawing 2D Drawing Representation Comments

  • Question
  • A counterbore is a cylindrical recess around a hole, usually to receive a bolt head or nut.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • 2D Drawing Representation problems


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    • 1. Right-hand and left-hand parts are mirror images and are made to be interchangeable.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. It is not always possible to show all of the drawing views in alignment on a sheet.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. Small curves called runouts are used to represent fillets that connect with plane surfaces tangent to cylinders.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. A keyway is a small groove cut around the diameter of a cylinder, often where it changes diameter.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. A polygon is a planar area that is enclosed by either angular or curved lines.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. When a curved surface intersects a plane surface, an edge is formed.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. Simplified conventional representations that deviate from true orthographic projection may be used to enhance economy and clarity in a drawing.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. If a plane intersects a contoured surface, no line is drawn to represent the edge.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. A boss is a short raised protrusion above the surface of a part.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. A plane surface cannot intersect or be tangent to a contoured surface.

    • Options
    • A. True
    • B. False
    • Discuss


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