Quality Control & Process Improvement Flashcards
7 cards from real CEAC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Quality Control & Process Improvement flashcards as text
When conducting a QC audit of accessibility documentation, which discrepancy is MOST critical to flag?
Answer: Measured door clear width recorded as 31 inches when ADA requires 32 inches minimum
A door clear width of 31 inches falls below the 32-inch ADA minimum, making it a code-compliance failure that must be flagged and corrected.
A process improvement team wants to reduce re-inspection rates on accessibility surveys. Which Lean tool is BEST suited to identify the root cause of recurring measurement errors?
Answer: 5 Whys analysis
The 5 Whys technique iteratively asks why a defect occurred until the root cause is identified, making it ideal for diagnosing recurring measurement errors.
Under a QC checklist system for CEAC field assessments, what is the primary purpose of a 'sign-off' step by a second consultant?
Answer: To ensure an independent review catches omissions or measurement discrepancies
A secondary sign-off provides an independent check that prevents errors from reaching the final report, upholding the accuracy standards required for accessibility compliance work.
A CEAC consultant notices that 20% of submitted transition strip measurements are consistently 0.25 inches above actual field conditions. This is BEST described as:
Answer: Systematic bias in the measurement process
A consistent directional offset across many measurements indicates systematic bias, likely from a calibration error or procedural flaw rather than random variation.
Which statistical method is most appropriate for monitoring whether a batch of ramp slope measurements remains within ADA compliance limits over time?
Answer: Control chart (SPC)
Statistical process control (SPC) control charts track measurements over time and signal when a process drifts outside acceptable limits.
During a process improvement initiative, a consulting firm discovers that 80% of report errors stem from 3 of 15 checklist items. This finding reflects which quality principle?
Answer: The Pareto principle (80/20 rule)
The Pareto principle states that roughly 80% of effects come from 20% of causes, directing improvement efforts toward the highest-impact defect sources.
A firm implements a mandatory photo-documentation protocol for every accessible parking space measured. This is an example of which quality improvement concept?
Answer: Error-proofing (poka-yoke) through objective evidence capture
Requiring photographic evidence at each measurement point error-proofs the process by creating an objective record that can verify or dispute field data.