CMQ/OE Practice Questions (2026) — Free Sample Questions with Answers

16 free CMQ/OE questions from our 150-question bank, grouped by content domain. Each answer explains why the right option is right — and why every wrong option is wrong.

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Leadership

Question 1

A newly hired process engineer, formerly with a competitor, offers the quality manager a binder of the competitor's internal process specifications, saying they would "save us months." What is the most appropriate action?

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Answer: A

Refuse the binder, ensure nothing is copied or used, and notify legal or compliance: Correct. The documents are very likely the former employer's confidential information, protected by confidentiality obligations and intellectual-property law; using them exposes both the engineer and the organization.

Accept the binder but lock it away unread until legal can confirm whether it may be used: Taking possession of a competitor's confidential documents already exposes the organization, even if no one reads them.

Decline the binder but ask the engineer to brief the team on the competitor's process settings from memory: Recreating confidential information from memory is still misuse of it.

Have the quality team review the binder first to decide which of its contents are already public information: Reviewing the material already exposes the organization to it; the legal function, not the quality team, should handle it.

Respect others' confidential information and IP as you would your own: refuse it, don't use it, and escalate to legal or compliance.

Question 2

To meet a truck departure, the plant manager asks the quality manager to sign a certificate of conformance for a lot whose final test results are not yet available. What is the most appropriate response?

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Answer: B

Sign the certificate based on in-process results, then hold the lot at the dock if final test fails: Certifies before the claim is verified; the certificate would be false at the moment it is signed.

Decline to sign until results confirm conformance, and help notify the customer of the delay: Correct. Certifying unverified product is dishonest; ethical practice requires accurate statements while still helping the business manage the customer impact.

Sign the certificate but add a handwritten note stating that final test results are still pending: A certificate of conformance asserts that the product conforms; a qualifying note does not make an unverified claim honest.

Release the lot under a plant-manager deviation and send the certificate once results arrive: Ships unverified product without the customer's agreement; a deviation from customer requirements needs customer concurrence.

Quality professionals report only what is verified to be true; pressure to ship never justifies certifying product that has not been shown to conform.

Question 3

In the organization shown, Quality engineer B keeps receiving conflicting deadlines from the Quality manager and the Project Beta PM. Which action by the vice president would best prevent this from recurring?

Operations organization chart
Vice President, OperationsEngineering MgrQuality MgrProduction MgrProject Alpha PMProject Beta PMDesign eng.Quality eng. APlannerTest eng.Quality eng. BSupervisorSolid lines = functional reporting; dashed lines = project assignment
Staff report to a functional manager and are assigned to a project manager.
Show answer & explanation

Answer: A

Clarify decision rights between the project and functional managers and set a joint escalation path: Correct. The chart is a matrix structure, whose built-in weakness is dual authority. Defining who decides what, and how disputes escalate, keeps the benefits of the matrix while removing the conflicting-priority problem.

Have Quality engineer B bring each conflicting deadline to both managers so they can settle it case by case: Resolves each conflict after it arises but leaves the unclear authority in place, so the conflicts keep recurring.

Restructure into a functional organization and have the project managers coordinate through the department heads: Overcorrects: it gives up the cross-functional coordination the matrix was created to provide instead of fixing the unclear authority.

Assign Quality engineer B full time to Project Beta and have the Project Beta PM direct all of B's work: Moves to a projectized arrangement for one person, weakening functional oversight and the independence of the quality function.

A matrix gains flexibility and shared expertise at the cost of two bosses; leaders make it work by defining decision rights and an escalation path between project and functional managers.

Strategic Plan Development and Deployment

Question 4

A freight company's strategic objective is to raise customer retention from 82% to 88% within two years. Which conclusion is best supported by the KPI dashboard shown?

Quarterly KPI dashboard
KPITargetQ1Q2Q3
On-time delivery (%)97.096.595.193.8
Damage claims per 1,000 shipments≤ 2.01.92.01.8
Truck utilization (%)85868992
Customer retention, trailing 12 months (%)88838382
Show answer & explanation

Answer: C

Damage claims may be driving the retention decline and should be the first area the team investigates: Damage claims are within target and improving, so they are the least likely cause.

Retention appears on track because two of the four KPIs are meeting or beating their targets: Retention is flat to falling and on-time delivery is below target; meeting internal KPIs does not mean the objective is on track.

Rising truck utilization may be coming at the expense of on-time delivery, which threatens retention: Correct. Utilization rose each quarter while on-time delivery fell each quarter and retention slipped; an efficiency KPI appears to be pulling against the customer measure that drives the strategic objective, so the measures need rebalancing.

Utilization appears to have headroom, so its target could be raised to support further cost savings: Pushing utilization harder would likely worsen the delivery performance that customers value.

KPIs must be aligned with the strategy as a set; an internal efficiency measure that improves while customer measures decline is a warning sign, not a success.

Question 5

A mid-sized software company's planning team compiled the SWOT findings shown. Which strategy is the best weakness–opportunity (W-O) response?

SWOT findings
CategoryFinding
StrengthMature automated test pipeline; release defect rate in the top quartile of peers
WeaknessNo dedicated security team; security reviews are done ad hoc
OpportunityLarge healthcare clients are seeking vendors with proven data-security controls
ThreatTwo competitors recently earned recognized information-security certifications
Show answer & explanation

Answer: D

Promote the top-quartile release defect rate to healthcare prospects as evidence of disciplined controls: An S-O move that uses a strength, but it does not supply the proven data-security controls healthcare clients want.

Extend the automated test pipeline to more product lines to widen the company's quality lead: Builds on an existing strength and does nothing about the security weakness.

Match competitors' prices for clients considering a switch while monitoring certification trends: A reaction to the threat that erodes margin and leaves the security weakness in place.

Build a dedicated security function and formal security controls to qualify for healthcare clients: Correct. A W-O strategy overcomes an internal weakness in order to capture an external opportunity; the security gap is what blocks the healthcare opportunity.

In a TOWS matrix, pair internal and external factors: W-O strategies remove a weakness that keeps the organization from seizing an opportunity.

Management Elements and Methods

Question 6

A plant manager plans to raise quality by hanging "Do It Right the First Time" banners and giving each operator a monthly defect quota. Which quality philosopher's teachings argue most directly against this plan?

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Answer: C

Philip Crosby: Crosby promoted zero defects and doing it right the first time, so the banner reflects his message rather than arguing against it.

Joseph Juran: Juran stressed project-by-project improvement and the quality trilogy. Banning slogans and quotas is one of Deming's points, not one of Juran's.

W. Edwards Deming: Correct. Deming's 14 Points call for eliminating slogans, exhortations and numerical quotas for the workforce. Most problems belong to the system, which only management can change.

Armand V. Feigenbaum: Feigenbaum is known for total quality control and the cost of quality, not for this argument against slogans and quotas.

Deming held that exhortations and quotas blame workers for system problems. Management must improve the system itself.

Question 7

An appliance maker's internal audits have found no major nonconformities for two years. Over the same period, warranty returns rose 30% and customer complaints doubled. Which conclusion should the quality director bring to management review?

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Answer: D

Returns should be analyzed by the design team first, since customer misuse may explain much of the rise: Assumes a cause outside the system before analyzing the data and keeps the QMS out of the review.

The QMS is effective because audits confirm procedures are followed; the returns are a separate product issue: Equates conformance with effectiveness. Following procedures that produce poor results is not effectiveness.

The internal audit program should cover more processes, more often, until complaints begin to decline: More of the same audits checks conformance more often without addressing why outcomes are getting worse.

The QMS conforms to its procedures but is not effective; return and complaint data must drive system changes: Correct. Audits mainly check conformance to documented procedures. Effectiveness shows in results such as warranty returns and complaints. Management review must use these inputs to decide on improvements and resources.

Judge QMS effectiveness by results (complaints, returns, scorecard measures, surveys) as well as audit conformance. Management review is where these inputs are combined.

Question 8

A quality improvement project has the activities shown. What is the total slack (float) of activity C?

Project activity list
ActivityDuration (days)Immediate predecessor(s)
A3—
B5A
C4A
D4B
E2C
F3D, E
Show answer & explanation

Answer: C

  1. List the paths: A–B–D–F = 3 + 5 + 4 + 3 = 15 days; A–C–E–F = 3 + 4 + 2 + 3 = 12 days.
  2. The critical path is the longest: A–B–D–F, 15 days.
  3. Forward pass: C starts at ES = 3. Backward pass: F has LS = 12, so E has LF = 12 and LS = 10, and C has LF = 10 and LS = 6.
  4. Total slack of C = LS − ES = 6 − 3 = 3 days (also 15 − 12).
  5. C can be delayed up to 3 days without moving the project end date.

0 days: Treats C as critical. Path A–C–E–F (12 days) is shorter than the critical path A–B–D–F (15 days).

2 days: Uses the duration of activity E instead of the difference between path lengths.

3 days: Correct. The critical path is A–B–D–F at 15 days. C sits on A–C–E–F at 12 days, so C can slip 3 days (LS 6 − ES 3) without delaying the project.

5 days: Uses the duration of B, the parallel activity, instead of comparing path lengths.

Total slack is the gap between an activity's late and early start. Activities on the longest (critical) path have zero slack.

Quality Management Tools

Question 9

A molding machine is scheduled for 480 minutes and has 60 minutes of unplanned downtime. Its ideal cycle time is 0.5 minute per part. It produced 700 parts, of which 665 were good. What is the OEE?

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Answer: A

  1. Availability = run time ÷ planned time = (480 − 60) ÷ 480 = 420 ÷ 480 = 0.875.
  2. Performance = (ideal cycle time × total parts) ÷ run time = (0.5 × 700) ÷ 420 = 350 ÷ 420 = 0.833.
  3. Quality = good parts ÷ total parts = 665 ÷ 700 = 0.95.
  4. OEE = 0.875 × 0.833 × 0.95 = 0.693, or about 69.3%.
  5. Check: good parts × ideal cycle ÷ planned time = 665 × 0.5 ÷ 480 = 0.693. The biggest loss is performance (speed), so that is the first target.

69.3%: Correct. 0.875 × 0.833 × 0.95 = 0.693.

72.9%: Availability × performance only (0.875 × 0.833); omits the quality factor.

79.2%: Performance × quality only (0.833 × 0.95); omits the downtime loss.

83.1%: Availability × quality only (0.875 × 0.95); omits the speed loss.

OEE = availability × performance × quality; equivalently, good output at ideal rate divided by planned time.

Question 10

An automotive supplier receives a customer complaint about cracked housings. Using the 8D method, the team has been formed and the problem has been described in measurable terms. What should the team do next?

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Answer: D

Identify and verify the root cause: This is D4; it follows containment so the customer is protected during the analysis.

Select and verify permanent corrective actions: This is D5; choosing a permanent fix before containment and root cause skips two disciplines.

Recognize the team for resolving the complaint: This is D8, the closing step after the fix is validated and recurrence prevented.

Implement and verify interim containment actions: Correct. In 8D, D3 is interim containment (for example sorting stock and quarantining suspect lots) to protect the customer while the root cause is found in D4.

8D protects the customer before it analyzes: containment (D3) follows team formation and problem description, and root cause (D4) and permanent action (D5–D6) come after.

Question 11

A hospital pharmacy team charted six months of medication-order errors by category. The categories carry similar patient risk. Which conclusion is best supported by the chart?

Pareto chart of medication-order errors (n = 120)01020304050Wrong doseNo allergy checkIncomplete orderWrong patientDuplicate orderOtherError categoryNumber of errors
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Answer: A

Focus root-cause work first on the wrong-dose and missing-allergy-check categories: Correct. Wrong dose (48) and no allergy check (31) total 79 of 120 errors, about 66%. With similar risk across categories, these vital few bars are where improvement effort pays off most.

Wrong-patient errors should be addressed first because they occur most often: Wrong patient is the fourth bar (9 errors), not the most frequent category.

Wrong-dose errors are caused mainly by unclear dosing references in the order system: A Pareto chart ranks frequencies; it does not show causes. A cause would need a cause-and-effect analysis and data.

Errors are spread evenly enough that a redesign of the whole ordering system is required: Misreads the chart: the steep drop after the first two bars is the opposite of an even spread.

A Pareto chart separates the vital few from the useful many; aim the first root-cause effort at the tallest bars, then use other tools to find why they occur.

Customer-Focused Organizations

Question 12

A home internet provider's average residential customer pays $200 per month at a 25% profit margin and stays for 4 years. Ignoring discounting, what is the lifetime value (profit) of an average customer?

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Answer: C

  1. Annual revenue = $200 × 12 = $2,400.
  2. Annual profit = $2,400 × 0.25 = $600.
  3. Lifetime value = $600 × 4 years = $2,400.
  4. Each defection therefore costs about $2,400 in profit, which sets a ceiling on what is worth spending to retain one customer.

$600: This is the profit from one year only ($200 × 12 × 0.25). It omits the 4-year relationship.

$800: This multiplies the monthly payment by the 4 years, skipping the 12 months per year and the margin.

$2,400: Correct. $200 × 12 = $2,400 revenue per year; × 0.25 = $600 profit per year; × 4 years = $2,400.

$9,600: This is lifetime revenue ($200 × 12 × 4). It ignores the 25% profit margin.

Customer lifetime value = profit per period × expected number of periods (discounted if required). Use profit, not revenue.

Question 13

A hospital's overall inpatient satisfaction is 88% (n = 2,400), above its 85% target. The patient experience director breaks the results down by the patient's preferred language, as shown. What is the most appropriate next step?

Patients satisfied, by preferred language020406080100English (n = 1,850)Spanish (n = 310)Vietnamese (n = 140)Other (n = 100)Preferred languageSatisfied (%)
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Answer: D

Take no action, because the overall score already exceeds the 85% target: The aggregate meets target only because the largest segment is very satisfied. This ignores the gap that segmentation revealed.

Repeat the survey with a larger overall sample: With 310 responses, the Spanish-language result is not a small-sample artifact. More data of the same kind delays action.

Exclude the Spanish-language results as outliers: A whole patient segment is not an outlier. Removing it hides a real service problem.

Investigate causes for Spanish-preferring patients and track that segment: Correct. Segmentation shows the aggregate hides a large gap (64% vs 92%). The next step is to find the segment's specific causes (for example, interpreter access or translated instructions) and monitor it on its own.

Aggregate satisfaction can mask poorly served segments. Break results down by meaningful segments and act on the gaps.

Supply Chain Management

Question 14

A supplier's 8D response to a complaint about missing weld nuts gives the root cause as "operator error" and the corrective action as "operator retrained." How should the supplier quality manager evaluate this response?

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Answer: D

Accept it, since retraining addresses the identified cause: Retraining rarely prevents a recurrence when the process has no safeguard. The real root cause was never found.

Accept it and close the complaint after the next good shipment: One good lot does not verify effectiveness, and the root cause is still unknown.

Reject it and remove the supplier from the approved list: This skips the CAPA process. Removal is a disproportionate first response to a weak 8D.

Return it and ask why the process allowed the omission: Correct. "Operator error" describes a symptom. An adequate response explains why the process let a nut be missed (for example, no presence detection) and gives a systemic, error-proofed action with evidence of effectiveness.

Judge supplier CAPA on root-cause depth (system, not person), the strength of the action (error-proofing over retraining) and verified effectiveness over time.

Question 15

A distribution center rates its packaging suppliers on the weighted scorecard shown (each criterion is scored out of 100). Which supplier has the highest overall weighted rating?

Packaging supplier scorecard
Criterion (weight)AldrenBrightlineCorvaneDunmore
Quality (40%)90807896
Delivery (30%)75809685
Cost (20%)80959280
Service (10%)851008070
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Answer: C

  1. Weighted score = Σ (weight × score).
  2. Aldren: 0.40(90) + 0.30(75) + 0.20(80) + 0.10(85) = 36.0 + 22.5 + 16.0 + 8.5 = 83.0.
  3. Brightline: 32.0 + 24.0 + 19.0 + 10.0 = 85.0.
  4. Corvane: 31.2 + 28.8 + 18.4 + 8.0 = 86.4.
  5. Dunmore: 38.4 + 25.5 + 16.0 + 7.0 = 86.9, the highest, so Dunmore ranks first once the weights are applied.

Aldren: Aldren scores 36.0 + 22.5 + 16.0 + 8.5 = 83.0, the lowest weighted total.

Brightline: Brightline has the highest unweighted average (88.75), but its strengths are in the low-weight criteria. Its weighted score is 85.0.

Dunmore: Correct. Dunmore scores 0.40(96) + 0.30(85) + 0.20(80) + 0.10(70) = 86.9, the highest weighted total.

Corvane: Corvane leads on delivery, but its weighted score is 31.2 + 28.8 + 18.4 + 8.0 = 86.4, just below Dunmore.

A weighted scorecard multiplies each criterion score by its weight before summing. Rankings can differ from simple averages, so always apply the weights.

Training and Development

Question 16

Experienced maintenance technicians rate a lecture-based reliability course poorly. They say it ignores what they already know and does not relate to their equipment. Based on adult learning principles, which redesign is most appropriate?

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Answer: A

Build the course around problems from their own equipment: Correct. Adults are problem-centered, bring experience and want to know why learning matters. Real equipment problems use their experience and make the course relevant.

Add more slides so the theory is covered in greater depth: This makes the course more content-centered, which is the problem the technicians described.

Add graded quizzes to raise motivation through test pressure: Adults are mainly motivated by relevance, not by outside pressure. Quizzes do not fix the relevance gap.

Make attendance mandatory and record it in performance reviews: Enforcing attendance gets compliance, not engagement, and leaves the design unchanged.

Knowles's adult learning principles: adults are self-directed, draw on experience, are problem-centered and need to know why. Design around their real work.

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