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Home Technical Drawing Dimensioning Comments

  • Question
  • Dimension lines should not cross extension lines.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • Dimensioning problems


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    • 1. When designing mechanical devices, the designer must consider what the allowable variation in size between mating parts can be.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. An extension line is a thin, dark, solid line that extends from a point on the drawing to which a dimension refers.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. Tolerance issues are primarily a concern in manufacturing rather than in the design and drafting process.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. An external cylindrical shape is dimensioned where it appears circular.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. It is always acceptable to dimension to a hidden feature.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. The drafter should always try to dimension to the profile view of an object when possible.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. When extension lines or centerlines cross visible object lines, gaps should not be left in the lines.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. Where the decimal-inch dimension is used, a zero is not used before the decimal point of values less than 1.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. The inch is the commonly used unit for most metric engineering drawings.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. It is more difficult to manufacture a part designed using two decimal places than the same part using four decimal places.

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


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