Lean Operations and Quality Management Quiz

A manufacturing process produces 500 units per day with a defect rate of 2%. What is the number of defective units produced per day?

Calculate the Cp (Process Capability Index) if the specification limits are 70 and 130, and the process mean and standard deviation are 100 and 10, respectively.

If a process has a defect rate of 1.5% and produces 10,000 units, how many defects would be expected?

Given a process with an average cycle time of 3 minutes per unit and a demand of 100 units per day, what should be the takt time to meet this demand in an 8-hour workday?

A company has a process with a mean of 100 and a standard deviation of 15. What is the Z-score for a value of 130?

If the process capability index (Cpk) is less than 1, what does this indicate about the process?

In the context of TQM, what is 'employee empowerment'?

• Giving employees more vacation time

• Involving employees in decision-making and problem-solving

• Increasing employees' salaries

• Limiting employees' responsibilities to specific tasks

Which TQM tool is used to identify the most significant factors in a dataset?

• Control charts

• Pareto analysis

• Fishbone diagram

• Flowchart

In Six Sigma, what is the target defect rate for processes operating at Six Sigma quality?

• 3.4 defects per million opportunities

• 34 defects per thousand opportunities

• 0.34 defects per thousand opportunities

• 6 defects per million opportunities

What is the main purpose of JIT (Just-In-Time) inventory management?

• To maintain high levels of inventory at all times

• To produce only what is needed, when it is needed, and in the quantity needed

• To outsource production to other companies

• To reduce the quality of products to save costs