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Operations Management: Processes and Supply Chains, 11e (Krajewski)
Chapter 6 Lean Systems
6.1 Continuous Improvement Using a Lean Systems Approach
1) The just-in-time (JIT) philosophy is the belie
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f that cutting inventory and removing nonvalue-added activities in operations can eliminate waste.
Answer: TRUE
Difficulty: Easy
Keywords: JIT, just-in-time, value added, inventory, non-value-added
Learning Outcome: Describe the advantages and disadvantages of various production strategies such
as lean, Theory of Constraints, JIT, and Six Sigma
AACSB: Application of Knowledge
Learning Obj.: Describe how lean systems can facilitation the continuous improvement of processes.
2) Kaizen is the Japanese term for continuous improvement.
Answer: TRUE
Difficulty: Easy
Keywords: lean systems, inventory, types of waste
Learning Outcome: Describe the advantages and disadvantages of various production strategies such
as lean, Theory of Constraints, JIT, and Six Sigma
AACSB: Application of Knowledge
Learning Obj.: Describe how lean systems can facilitation the continuous improvement of processes.
3) In a lean system, large inventories are not considered a type of waste, because they
prevent operator wait times.
Answer: FALSE
Difficulty: Easy
Keywords: lean systems, wait times, types of waste
Learning Outcome: Describe the advantages and disadvantages of various production strategies such
as lean, Theory of Constraints, JIT, and Six Sigma
AACSB: Application of Knowledge
Learning Obj.: Describe how lean systems can facilitation the continuous improvement of processes.
4) In a lean system, an item that is manufactured before it is needed is not considered
waste, because it helps keep material flowing through the system.
Answer: FALSE
Difficulty: Moderate
Keywords: lean systems, types of waste, overproduction
Learning Outcome: Describe the advantages and disadvantages of various production strategies such
as lean, Theory of Constraints, JIT, and Six Sigma
AACSB: Application of Knowledge
Learning Obj.: Describe how lean systems can facilitation the continuous improvement of processes.
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