CQE Cheat Sheet 2026

The 30 highest-yield CQE facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. Which quality philosophy emphasizes that quality is 'conformance to requirements' rather than goodness or elegance? → Philip Crosby
2. The primary difference between Quality Assurance (QA) and Quality Control (QC) is that: → QA is process-focused and preventive; QC is product-focused and detection-based
3. Which document defines the quality requirements for a product or service and serves as the primary reference for acceptance criteria? → Quality Plan
4. ISO 9001:2015 adopts which management framework as its organizing structure? → High Level Structure (Annex SL)
5. In a full factorial DOE with 3 factors at 2 levels each, how many experimental runs are required? → 8 runs
6. In SPC, a 'run of 8 consecutive points on one side of the centerline' is an example of: → A signal of special cause variation
7. In a QMS audit context, an 'observation' differs from a 'nonconformity' because it: → Is a concern or opportunity for improvement that does not yet violate a requirement
8. Which quality management principle emphasizes that sustained success comes from managing relationships with interested parties? → Relationship management
9. Which of the following is NOT a preventative cost? → Calibrating test equipment
10. Failure Mode, Effects, and Criticality Analysis (FMECA) extends FMEA by adding: → A criticality analysis that quantifies the probability and severity of each failure mode
11. Main effects are not confused with any other main effects at the lowest design resolution, which is known as: → Resolution III design
12. A process produces 3.4 defects per million opportunities (DPMO). This corresponds to which sigma level? → 6 sigma
13. Which element is NOT typically part of a Quality Management System (QMS) document hierarchy? → Marketing brochures
14. A ___ is a particular kind of line graph used to evaluate a process's stability. → Control chart
15. A quality engineer is conducting a gage R&R study. A high percentage of variation attributed to reproducibility indicates: → Different appraisers are measuring inconsistently
16. In Gauge R&R terminology, 'appraiser variation' (AV) corresponds to: → Reproducibility — the variation introduced by different operators using the same gauge
17. The acceptance quality limit (AQL) in an acceptance sampling plan defines: → The worst quality level still considered acceptable as a process average
18. Which sampling plan standard is most commonly referenced for attribute inspection in US manufacturing? → ANSI/ASQ Z1.4
19. In a two-level full factorial design with 4 factors, how many experimental runs are required (excluding replicates)? → 16
20. A quality engineer discovers that a supplier consistently delivers products at the upper specification limit. This is BEST described as: → A process with low Cpk indicating risk of defects
21. A coordinate measuring machine (CMM) is used in manufacturing quality control primarily for: → Precise dimensional measurement of parts in three-dimensional space
22. In audit terminology, what is an 'audit scope'? → The extent and boundaries of the audit, including locations, processes, and time period
23. Which quality cost category includes the cost of incoming inspection and receiving testing? → Appraisal costs
24. Which of the following would a high-quality training effort's desired results NOT include? → A higher price for high-quality outcomes
25. When parts are destroyed during the measurement process, the appropriate MSA study design is: → A nested (destructive) Gauge R&R study where parts are nested within operators
26. Which of the following BEST describes the concept of 'quality costs' as categorized in the Cost of Poor Quality (COPQ) model? → Prevention, appraisal, internal failure, and external failure costs
27. The %P/T ratio in measurement systems analysis compares: → Measurement system variation to the engineering specification tolerance
28. Which statistical distribution is most appropriate for modeling time-to-failure data in reliability analysis? → Weibull distribution
29. Which statistical distribution is most commonly used to model the time between failures of a repairable system? → Exponential distribution
30. A Pareto chart helps a quality engineer to: → Identify the vital few causes that account for most of the problems