Multiple Choice
Which of the following is not true regarding flatness?
A) It differs from straightness.
B) The term flatness is interchangeable with the term straightness.
C) When flatness is the feature control, a datum reference is neither required nor proper.
D) Flatness is specified when size tolerances alone are not sufficient to control the form and quality of the surface.
Correct Answer:

Verified
Correct Answer:
Verified
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