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Home Technical Drawing Tolerancing Comments

  • Question
  • Datum surfaces and features are used as references to control other features.


  • Options
  • A. True
  • B. False

  • Correct Answer
  • True 


  • Tolerancing problems


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    • 1. Defining the datum reference frame is necessary to apply GDT principles.

    • Options
    • A. True
    • B. False
    • Discuss
    • 2. Tolerances of form and position are typically not used to control straightness.

    • Options
    • A. True
    • B. False
    • Discuss
    • 3. Nominal size is used for general identification and is usually expressed in decimals.

    • Options
    • A. True
    • B. False
    • Discuss
    • 4. Implied 90 degree angles typically have different general tolerances applied to them than other angles covered by a general note.

    • Options
    • A. True
    • B. False
    • Discuss
    • 5. Allowance is the maximum clearance or minimum interference specified to achieve a fit between two mating parts.

    • Options
    • A. True
    • B. False
    • Discuss
    • 6. Geometric dimensioning and tolerancing can simplify the inspection process.

    • Options
    • A. True
    • B. False
    • Discuss
    • 7. Specific tolerances are based on the part's function and fit.

    • Options
    • A. True
    • B. False
    • Discuss
    • 8. Tolerance is the total amount a specific dimension is permitted to vary.

    • Options
    • A. True
    • B. False
    • Discuss
    • 9. Increased precision makes parts less expensive to manufacture.

    • Options
    • A. True
    • B. False
    • Discuss
    • 10. The ISO has its own system of preferred metric limits and fits.

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


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