▸case-05 We are preparing FMEA severity ratings for medical ventilator alarm failures. The project team provided frequency metrics alongside the failure descriptions. How should the execution environment for scoring these failures be set up to ensure impartial ratings across all modes? | fail→pass | 17,395 | 26,519 | +52% | 1 | 1 | 0% | 2,603 | 2,505 | -4% | 0 | 0 | — |
▸case-01 In a risk assessment for an automotive anti-lock braking system (ABS), failure mode FM-01 has a Severity rating of 8, an Occurrence rating of 4, and a Detection rating of 3. Calculate the Risk Priority Number (RPN) for this failure mode. | pass→pass | 3,115 | 8,678 | +179% | 1 | 1 | 0% | 529 | 753 | +42% | 0 | 0 | — |
▸case-02 An unexpected thermal shutdown occurred in a lithium-ion battery management system during fast charging. Perform a 5-Why root cause analysis to trace why the primary temperature sensor reported false readings. | pass→pass | 13,733 | 25,686 | +87% | 1 | 1 | 0% | 2,082 | 3,366 | +62% | 0 | 0 | — |
▸case-03 Based on field return failure data showing 12 failures per 100,000 operating hours for a hydraulic seal in a CNC milling machine, determine the Occurrence rating (O) on a standard 1-10 FMEA scale. | pass→pass | 19,406 | 34,790 | +79% | 1 | 1 | 0% | 4,066 | 6,338 | +56% | 0 | 0 | — |
▸case-04 High-pressure valve seat erosion has been identified as a critical failure mode in a chemical processing plant. Recommend engineering controls and corrective action mitigations to reduce the risk. | pass→pass | 22,341 | 33,736 | +51% | 1 | 1 | 0% | 2,542 | 4,632 | +82% | 0 | 0 | — |
▸case-06 We need severity ratings for high-voltage battery disconnect relay failures in an electric vehicle. The lead engineer suggested using a qualitative Low/Medium/High/Critical categorization. Provide the numerical rating scale required for evaluating these failure modes. | pass→pass | 21,366 | 30,259 | +42% | 1 | 1 | 0% | 2,629 | 3,885 | +48% | 0 | 0 | — |
▸case-07 In a commercial aircraft flight control system FMEA, failure mode FM-101 (elevator actuator jam) occurs very rarely (1 in 10 million flight hours) but leads to catastrophic loss of pitch control. A team member proposes assigning FM-101 a low severity score of 3 due to its extreme rarity. What severity rating strategy must be applied to FM-101? | pass→pass | 17,177 | 21,195 | +23% | 1 | 1 | 0% | 2,022 | 1,992 | -1% | 0 | 0 | — |
▸case-08 In an automated insulin pump system FMEA, failure mode FM-204 (occlusion sensor drift) is automatically detected in 100% of cases within 5 seconds by internal diagnostics with loud acoustic alarms. The engineering team suggests assigning a severity score of 2 because the issue is immediately detected before harm occurs. How should FM-204 severity be evaluated? | pass→pass | 20,214 | 25,688 | +27% | 1 | 1 | 0% | 2,519 | 3,503 | +39% | 0 | 0 | — |
▸case-09 We have a bare list of failure mode titles for a satellite power distribution unit (e.g., 'FET Short', 'Capacitor Open'). Is this failure mode catalog alone sufficient to perform severity scoring, or what additional structural input is needed? | pass→pass | 19,650 | 12,567 | -36% | 1 | 1 | 0% | 2,109 | 1,401 | -34% | 0 | 0 | — |
▸case-10 Generate the severity evaluation results for micro-grid inverter software failure modes FM-01 (over-frequency tripping) and FM-02 (DC bus overvoltage). Specify the structure of the main output section for these evaluated items. | pass→pass | 18,273 | 21,400 | +17% | 1 | 1 | 0% | 2,113 | 2,945 | +39% | 0 | 0 | — |
▸case-11 When evaluating complex power plant turbine failure modes where impact depends on operational state (e.g., full load vs standby), what supplementary output section must be included in the evaluation results alongside individual scores? | fail→pass | 8,309 | 4,906 | -41% | 1 | 1 | 0% | 1,249 | 1,047 | -16% | 0 | 0 | — |
▸case-12 When launching the automated process for rating industrial robot arm collision safety failure modes, which specific SOP tool mechanism should be invoked to run the evaluation? | fail→fail | 19,654 | 7,715 | -61% | 1 | 1 | 0% | 2,303 | 667 | -71% | 0 | 0 | — |
▸case-13 For failure mode FM-302 (printed circuit board copper trace delamination in an automotive ECU), the component failure causes temporary micro-controller reboot, resulting in brief steering assist torque loss at highway speeds. Should the severity score be judged by the component hardware fault or the loss of steering assist? | pass→pass | 12,808 | 13,200 | +3% | 1 | 1 | 0% | 2,066 | 1,519 | -26% | 0 | 0 | — |
▸case-14 A safety team is evaluating 150 failure modes across 10 sub-modules of a surgical robotics platform. To save time, reviewers want to score each sub-module in separate interactive chat sessions while brainstorming mitigations. Why is this setup flawed under severity assessment standards? | pass→pass | 15,375 | 17,020 | +11% | 1 | 1 | 0% | 2,302 | 2,096 | -9% | 0 | 0 | — |
▸case-15 For an autonomous delivery drone motor driver failure mode catalog, state the exact three fields required for every entry in the scores output list. | fail→pass | 6,532 | 7,032 | +8% | 1 | 1 | 0% | 984 | 516 | -48% | 0 | 0 | — |
▸case-16 In a nuclear power plant cooling valve failure catalog, failure mode FM-88 has ambiguous end-effects depending on secondary containment valve status. Where should these conditional assumptions be recorded in the output? | fail→pass | 18,777 | 8,926 | -52% | 1 | 1 | 0% | 2,121 | 853 | -60% | 0 | 0 | — |
▸case-17 In an industrial elevator controller FMEA, failure mode FM-12 (brake solenoid coil burnout) has a redundant mechanical safety catch that safely stops the elevator if activated. The hardware team argues the severity should be rated 1 because the safety catch prevents injury. How should severity be rated? | fail→pass | 24,841 | 17,944 | -28% | 1 | 1 | 0% | 3,011 | 2,986 | -1% | 0 | 0 | — |
▸case-18 An engineer provides a list of failure mode IDs and descriptions for a fly-by-wire flight control computer, but omits the cause-mode-effect chains. What required input artifact is missing before severity scoring can proceed? | pass→pass | 16,079 | 7,254 | -55% | 1 | 1 | 0% | 1,744 | 598 | -66% | 0 | 0 | — |
▸case-19 What is the primary technical rationale for requiring a subagent with isolated context when performing severity scoring on a system failure catalog? | fail→pass | 18,509 | 7,239 | -61% | 1 | 1 | 0% | 2,016 | 529 | -74% | 0 | 0 | — |
▸case-25 In an autonomous vehicle perception failure catalog, failure mode FM-77 (lidar optical degradation) severity depends heavily on whether rain or heavy fog is assumed in the operational domain. In what output section should this environmental assumption be documented? | fail→fail | 14,315 | 8,506 | -41% | 1 | 1 | 0% | 1,364 | 833 | -39% | 0 | 0 | — |
▸case-20 A reviewer submits a severity table for a pacemaker telemetry interface containing failure IDs and ratings (FM-01: 9, FM-02: 4) but leaves the explanation column blank. What required field is missing from each entry in the scores list? | pass→pass | 10,114 | 7,399 | -27% | 1 | 1 | 0% | 830 | 613 | -26% | 0 | 0 | — |
▸case-21 When scoring 50 failure modes for an off-shore oil rig blow-out preventer, why is consistent calibration across all modes critical across the evaluation? | fail→pass | 20,723 | 17,371 | -16% | 1 | 1 | 0% | 2,388 | 2,073 | -13% | 0 | 0 | — |
▸case-22 For an electric vehicle inverter failure mode FM-45 (gate driver resistor open), the local effect is circuit gate voltage loss, the intermediate effect is inverter shutdown, and the end-effect is total loss of vehicle propulsion on the highway. Which level of effect determines the severity score? | pass→pass | 11,163 | 8,758 | -22% | 1 | 1 | 0% | 999 | 839 | -16% | 0 | 0 | — |
▸case-23 Failure mode FM-09 in a hospital backup generator can cause either minor panel display flicker (80% probability) or complete facility power loss (20% probability). How should the severity score be assigned for FM-09? | pass→pass | 15,904 | 16,384 | +3% | 1 | 1 | 0% | 1,479 | 1,965 | +33% | 0 | 0 | — |
▸case-24 During the FMEA review of an automated hemodialysis machine failure catalog, the team lead suggests showing previous detection test scores to the severity evaluator to speed up the process. Explain why this violates severity scoring context isolation principles. | pass→pass | 20,743 | 17,234 | -17% | 1 | 1 | 0% | 2,355 | 1,916 | -19% | 0 | 0 | — |
▸case-26 When reporting severity evaluation output for a commercial jet engine control unit FMEA, how must individual scored items in the primary results list reference the corresponding items from the failure mode catalog? | fail→pass | 22,307 | 3,805 | -83% | 1 | 1 | 0% | 2,500 | 833 | -67% | 0 | 0 | — |