Quality Control & Process Improvement Flashcards
7 cards from real CDA 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
A decorative painting studio begins tracking the number of client callbacks per project. What quality management concept does this represent?
Answer: Defect rate monitoring as a key performance indicator
Tracking client callbacks measures the frequency of post-project defects, providing a KPI that drives process improvement to reduce rework and warranty claims.
Which surface preparation defect is most likely to cause a decorative venetian plaster finish to crack after application?
Answer: Insufficient surface priming, leaving an excessively absorbent substrate
An overly absorbent substrate draws moisture unevenly from the plaster, causing differential shrinkage and cracking as the material cures.
When a decorative artist discovers that two batches of the same paint color have a slight tint difference, what is the best quality control response?
Answer: Box all cans from both batches together to blend and average the color
Boxing (intermixing) all cans ensures a uniform blended color throughout, eliminating the visible batch-to-batch variation.
A decorative artist finds that a newly applied crackle finish produced cracks that are too large and irregular. What process variable most likely caused this?
Answer: Applying the crackle medium too thickly
Crackle medium applied in thick coats produces large, dramatic cracks because the surface tension differential increases with coat thickness.
What quality control practice helps prevent lap marks in large-area decorative glaze applications?
Answer: Maintaining a wet edge by working in manageable sections and blending immediately
Keeping a wet edge by blending into freshly applied glaze before it dries prevents the build-up of dried material at overlap points that creates lap marks.
Which approach best describes 'root cause analysis' as applied to a recurring decorative finish failure?
Answer: Systematically tracing the failure back to its originating process variable rather than addressing only the symptom
Root cause analysis identifies the underlying process or material variable driving the failure, ensuring corrective actions prevent recurrence rather than just masking symptoms.
How does maintaining a project log of environmental conditions (temperature, humidity) contribute to quality control in decorative painting?
Answer: It allows correlation of finish defects with specific conditions, guiding future scheduling and material selection
Environmental data logs enable artists to identify conditions that caused past failures—such as high humidity causing adhesion issues—and adjust future practices accordingly.