Practice Test Geeks(GD&T) Geometric Dimensioning and Tolerancing Certification Practice Test
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Composite Feature Control Flashcards

7 cards from real GD&T practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Composite Feature Control flashcards as text

  1. An MMC modifier is applied to the FRTZF of a composite position callout. What benefit does this provide?

    Answer: It provides bonus tolerance for feature-to-feature location as features depart from MMC

    An MMC modifier on the FRTZF allows each feature's tolerance zone to increase (bonus tolerance) as the feature departs from MMC, while still maintaining pattern geometry.

  2. A composite callout has PLTZF|A|B|C and FRTZF|A|B. Compared to FRTZF|A only, what additional constraint does adding datum B impose?

    Answer: Restricts rotation about the datum B axis

    Adding datum B (typically a secondary datum) to the FRTZF restricts the rotational degree of freedom about the axis perpendicular to datum B, locking the pattern's clocking.

  3. For a pattern of four holes using composite position, how many total cylindrical tolerance zones must each physical hole simultaneously satisfy?

    Answer: Two

    Each physical hole must satisfy two cylindrical tolerance zones simultaneously: one from the PLTZF and one from the FRTZF.

  4. In ASME Y14.5-2018, which symbol is used to indicate 'Separately' when the simultaneous requirement should NOT apply to composite callouts on the same drawing?

    Answer: SEP

    The notation 'SEP REQT' (Separately) is added to indicate that multiple geometric tolerances referencing the same DRF should be verified independently rather than simultaneously.

  5. A composite positional tolerance controls a pattern of slots. The FRTZF is wider than the individual slot tolerance zone. This situation is:

    Answer: Invalid because the FRTZF must always be smaller than the PLTZF

    The FRTZF tolerance must always be equal to or smaller than the PLTZF tolerance, since the FRTZF zones must fit within the PLTZF framework.

  6. Which of the following best describes the 'float' allowed by the FRTZF in composite tolerancing?

    Answer: The entire FRTZF pattern of zones shifts as a rigid group within the PLTZF zones

    The FRTZF tolerance zone framework shifts and (if no orientation datums are cited) rotates as a rigid group, maintaining the pattern geometry while accommodating location variation.

  7. When verifying composite position with a functional gauge, which segment drives the gauge hole locations?

    Answer: The PLTZF drives the absolute pattern location; a separate gauge checks FRTZF

    A PLTZF functional gauge locates holes at true position relative to the datum reference frame; a separate FRTZF gauge checks the feature-to-feature geometry with holes at the FRTZF tolerance size.