Question 1

This is a plane that contacts the high points of the specified feature surface.

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Question 2

How is a screw thread used as a datum axis unless otherwise specified, and what do you specify if you do not want the implied definition?

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Question 3

Describe how datum precedence is established.

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Question 4

Datum features are selected based on their importance to the design of the part. Generally, three datum features are selected that are perpendicular to each other. What are the three datums are called?

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Question 5

Name the type of dimension that is considered a theoretically perfect dimension. Basic dimensions are used to describe the theoretically exact size, profile, orientation, or location of a feature or datum target.

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Question 6

Describe and give an example of how datum features can be specified individually.

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Question 7

How is a datum target line indicated on a drawing?

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Question 8

Describe how and why zero geometric tolerance is specified at MMC.

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Question 9

Name the symbol used to indicate that the datum target is not fixed at its basic location and is free to translate.

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Quiz 11: Reading Geometric Dimensioning and Tolerancing