Review questions

Review questions

Test your understanding with these questions. Marking and saved results are available with a free account.

1. Question 1A complaint project lowers its primary rate from 12% to 5%, but repeat contacts rise. What is the sound interpretation?

   More repeat contacts cannot be related to service Stop measuring complaints altogether The project certainly succeeded because the primary measure fell Check the balancing measure and denominator definition before declaring success
2. Question 2A cell has 420 available minutes and demand of 210 units a day. What takt time is needed?

   420 minutes per unit Half a minute per unit Two minutes per unit 210 minutes per unit
3. Question 3An FMEA has severity 8, occurrence 3 and detection 4. What is RPN and a key limitation?

   96, and high severity still needs review 15, which proves risk is minor 96, so severe impact can be ignored 24, because detection is omitted
4. Question 4Which quality leader is closely associated with the plan–do–check–act learning cycle?

   Ishikawa Juran only in the planning trilogy Shewhart in the cause-and-effect diagram Deming
5. Question 5A team examines sensor failures before design freeze, then calibration errors in production. How are the two analyses classified?

   Both are control charts Failure cannot be analyzed before production Design FMEA then process FMEA Process FMEA then design FMEA
6. Question 6Which sequence matches IDOV for a new product design?

   Design–Analyze–Control–Sell Identify–Design–Optimize–Verify Define–Measure–Analyze–Improve–Control Inspect–Deliver–Document–Close
7. Question 7An operator walks repeatedly among distant shelves for every order. Which tool makes motion waste visible?

   A p chart for defectives A t test without measuring travel An RPN before defining the route A spaghetti diagram tracing movement on the workspace layout
8. Question 8Inspection lowers recorded defects by relabeling them “rework” while customer returns rise. Which system relationship was missed?

   Monthly meeting count Only a historical leader’s name How inputs, classifications and feedback affect customer outcomes across functions Inspection-card color

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