Quality Control & Process Improvement Flashcards
7 cards from real CLS 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
Which condition most directly indicates that an oil analysis program is delivering value as a quality control tool?
Answer: Failures are detected and corrected before they cause unplanned downtime
The ultimate measure of oil analysis value is its ability to prevent unplanned failures through early detection and corrective action.
A plant adopts 5S methodology in its lubrication room. Which step directly reduces the risk of using the wrong lubricant?
Answer: Standardize (Seiketsu) — creating consistent labeling and storage layouts
Standardizing labels, color codes, and storage layouts removes ambiguity about which lubricant goes where, directly preventing mis-lubrication.
During a process audit, it is discovered that lubrication routes are completed but tasks are not signed off in real time. What quality risk does this create?
Answer: Inability to verify task completion and potential for skipped tasks going undetected
Real-time sign-off provides accountability and ensures that incomplete tasks are immediately visible rather than hidden by batch recording.
What does a high Acid Number (AN) trending upward in oil analysis indicate about lubricant condition?
Answer: Oxidation or thermal degradation is depleting the antioxidant additives
A rising Acid Number indicates acid buildup from oxidation or thermal stress, signaling antioxidant depletion and lubricant degradation.
A CLS professional recommends implementing OPL (One-Point Lessons) for lubrication technicians. What is the primary quality benefit?
Answer: Ensuring technicians understand one specific task or best practice in a simple, visual format
OPLs deliver focused, visual knowledge on a single topic at the point of use, improving task execution quality and technician competency.
Which measurement indicates the effectiveness of a lubrication-related preventive maintenance program from a quality improvement standpoint?
Answer: Mean Time Between Failures (MTBF) trending upward over time
A rising MTBF shows that equipment is running longer without failure, directly reflecting the reliability gains from an effective lubrication PM program.
When performing a lubricant incoming inspection, which test is most critical for verifying that delivered lubricant matches the ordered specification?
Answer: Viscosity measurement at 40°C and 100°C
Viscosity at 40°C and 100°C is the defining physical property of a lubricant grade and the most reliable incoming QC verification test.