When the position tolerance is at MMC, the related datum feature can be ____.
A) RFS
B) MMC
C) LMC
D) all of the above
E) none of the above

Question

Quizplus · Accepted Answer

When the position tolerance is at Maximum Material Condition (MMC), the related datum feature can indeed be at Regardless of Feature Size (RFS), MMC, or Least Material Condition (LMC). This is because the datum feature specification is independent of the tolerance specification on the controlled feature, allowing for flexibility in how parts are manufactured and inspected.

When the Position Tolerance Is at MMC, the Related Datum