Lean Bronze

Category - Business Results

A trigger event occurs when a condition exceeds established process parameters, values, or normal conditions. Once a trigger event has occurred, what is the next step?
  1. To determine if the process error was human in nature.
  2. To determine what condition requires an immediate response.
  3. To determine if the event was caused by equipment error or maintenance.
  4. To begin collection of data on the process parameters.
Explanation
Answer: B - Once a trigger event has occurred the next step in a trigger event is to determine what condition requires an immediate response. The next step is to determine if the trigger requires the process to be shut down. When control limits are exceeded a lack of immediate data may not be available to readily determine Jidoka. Statistical process control techniques such as Individual-Moving Range charts, P charts, and U charts are used to monitor and manage product quality and identify trigger events.
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Additional Answers

Ted Chan, MBA says:

Jidoka in lean manufacturing means machines stop operating automatically if an abnormal condition is detected. Operators then begging fixing the defect to prevent recurrence of the issue.

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