Concept explainers
In the traditional coordinate dimensioning system, which of the following is true? (Select one.)
- i. Only “features of size” need to include a tolerance.
- ii. Only dimensions that are important need to include a tolerance.
- iii. Only dimensions that need to be tightly controlled need to include a tolerance.
- iv. iv. All dimensions should include a tolerance.
The validation of the statement in the traditional co-ordinate dimensioning system.
Explanation of Solution
The traditional way of coordinate measurement includes the tolerance of all the dimensions. The tolerance is indicated by either plus or minus sign with the basic size in a defined form. However, the traditional way of coordinate measurement system lacks in defining all the geometric attributes of a feature such as orientation and form. But the statement i, ii, and iii specify the tolerance for the particular cases. Thus, the traditional coordinate measurement system includes the tolerance to all the dimensions which it defines.
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Chapter 20 Solutions
Shigley's Mechanical Engineering Design (McGraw-Hill Series in Mechanical Engineering)
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