31 Questions
What is the key to Toyota Motor Corporation's success?
JIT and TPS
What is central to the Toyota Production System (TPS)?
Continual problem solving and employee learning
What makes problems immediately evident in lean operations?
Eliminating excess inventory
What is fundamental to the Toyota Production System (TPS)?
Respect for people
What is the primary technique contributing to Toyota's success?
JIT (Just-in-Time)
What is central to lean operations?
Continuous improvement and waste reduction
What is the primary focus of Lean operations?
Meeting customer demands without waste
Which of the following is considered a waste according to Ohno's seven wastes?
Transportation
What is the purpose of 'Sort/segregate' in the 5Ss approach?
Throwing out unnecessary items
What are the three fundamental issues encompassed by Lean operations?
Eliminate waste, remove variability, and improve throughput
What is the main goal of the Toyota Production System (TPS)?
Continuous improvement, respect for people, and standard work practices in an assembly-line environment
What does Just-in-time (JIT) focus on?
Continuous improvement and removing waste
What is included in Ohno's seven wastes?
Defective products and overprocessing
What is the primary purpose of the 5Ss approach?
Continuous improvement
'Shine/sweep' in the 5Ss approach mainly involves:
'Daily cleaning'
'Standardize' in the 5Ss approach aims to:
'Remove variations from processes'
What is the objective of a process control system?
To provide a statistical signal when assignable causes of variation are present
What is the primary purpose of Statistical Process Control (SPC)?
To monitor standards by taking measurements and corrective action during production
What is the role of the central limit theorem in Statistical Process Control (SPC)?
To explain the variability in the distribution of sample means
What does the term 'Acceptance Sampling' refer to?
Inspecting a random sample from a batch to decide whether the entire batch should be accepted or rejected
What is the purpose of building x-charts and R-charts in Statistical Process Control (SPC)?
To monitor the process mean and process variability over time
What does 'process capability' and computing Cp and CpK aim to achieve in Statistical Process Control (SPC)?
Measure the ability of a process to meet specifications
What is the purpose of control charts in statistical process control?
To distinguish between natural variations and variations due to assignable causes
What is the term for variations that can be traced to a specific reason and are generally some change in the process?
Assignable variations
Which type of output measures follow a probability distribution and are affected by virtually all production processes?
Natural measures
What do control charts for variables help in tracking?
Changes in the central tendency and gain or loss of dispersion
In statistical process control, what is the measure of central tendency and dispersion for any distribution of outputs?
Mean and range
Which statement best represents the purpose of natural variations in statistical process control?
To indicate when the process is 'in control'
1
Natural variations are expected to be within acceptable limits.
In statistical process control, what is the term for variations that provide a statistical signal when assignable causes are present?
Natural variations
What is the primary objective of constructing control charts in statistical process control?
To discover when assignable causes are present.
Test your knowledge of Chapter 16: Lean Operations, covering topics like the Toyota Production System, lean organizations, and lean in services from the book Operations Management: Sustainability and Supply Chain Management Fourteenth Edition.
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