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(CQE) Flashcards

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

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  1. A control chart shows a run of 8 consecutive points above the centerline. This indicates:

    Answer: A process shift requiring investigation

    Eight consecutive points on one side of the centerline is a non-random pattern signaling a process shift per Western Electric rules.

  2. Which sampling plan standard is most commonly referenced for attribute inspection in the United States?

    Answer: ANSI/ASQ Z1.4

    ANSI/ASQ Z1.4 governs attribute (pass/fail) acceptance sampling, replacing the older MIL-STD-105E.

  3. The Taguchi loss function quantifies quality loss as a function of:

    Answer: Deviation of a characteristic from its target value

    Taguchi defined loss as proportional to the square of the deviation from the nominal target, L = k(y − T)².

  4. In a two-level full factorial design with 4 factors, how many experimental runs are required (excluding replicates)?

    Answer: 16

    A 2⁴ full factorial requires 2⁴ = 16 runs to estimate all main effects and interactions.

  5. Which quality cost category includes the cost of incoming inspection and receiving testing?

    Answer: Appraisal costs

    Appraisal costs cover all activities that measure, evaluate, or audit products to detect defects, including incoming inspection.

  6. A Pareto chart is most useful for:

    Answer: Prioritizing the vital few causes contributing most to a problem

    A Pareto chart ranks categories by frequency or impact, applying the 80/20 rule to focus improvement effort.

  7. Process capability index Cpk differs from Cp in that Cpk:

    Answer: Accounts for process centering relative to specification limits

    Cpk takes the minimum of (USL − μ)/3σ and (μ − LSL)/3σ, penalizing processes that are off-center.