Question 1

Which of the following is a difference between lean production and Six Sigma
A) The lean production technique can be used in nonmanufacturing environments, whereas Six Sigma cannot be used in nonmanufacturing environments.
B) Lean production addresses less visible problems in processes, whereas Six Sigma is more concerned with visible problems.
C) Lean production is focused on effectiveness by reducing errors and defects, whereas Six Sigma is focused on efficiency by reducing waste and improving process flow.
D) Lean production tools are more intuitive and easier to apply by anybody in the workplace, whereas many Six Sigma tools require advanced training and expertise of specialists.

Accepted Answer

Lean production tools are designed to be more intuitive and can be applied by a wider range of employees, including those without specialized training. In contrast, Six Sigma often requires a deeper understanding of statistical analysis and methodologies, necessitating advanced training and expertise.

Question 2

A__________is a flag or a piece of paper that contains all relevant information for an order, such as part number, description, process area used, time of delivery, quantity available, quantity delivered, production quantity, and so on.
A) Kaikaku
B) Jidoka
C) Kaizen
D) Kanban

Accepted Answer

A kanban is a visual signal or card used in lean manufacturing and just-in-time (JIT) production systems to indicate when more inventory is needed. It contains all relevant information for an order, such as part number, description, process area used, time of delivery, quantity available, quantity delivered, production quantity, and so on.

Question 3

In the context of lean tools and approaches, _____ are indicators for operating activities that are placed in plain sight of all employees so that everyone can quickly and easily understand the status and performance of the work system.
A) Kanban cards
B) push systems
C) pull systems
D) visual controls

Accepted Answer

Visual controls are tools and devices used to make work performance and status obvious to anyone that wants to know. This allows problems to be quickly identified and addressed. Examples of visual controls include charts, warning lights, signs, and colored lines/markings.

Question 4

In the context of the 5S principles,__________means to arrange materials and equipment so that they are easy to find and use.
A) shine
B) standardize
C) sustain to produce
D) set in order

Accepted Answer

"Set in order" is the correct term for organizing materials and equipment in a way that they are easy to find and use. The other options, "shine," "standardize," and "sustain to produce," refer to other aspects of the 5S principles such as cleaning, maintaining standards, and continuous improvement.

Question 5

Which of the following is a similarity between lean production and Six Sigma
A) Both solely address visible problems in processes.
B) Both focus on efficiency by reducing waste and improving process flow.
C) Both are driven by customer requirements.
D) Both focus on problems related to variation in performance.

Accepted Answer

The answer of Which of the following is a similarity...

Question 6

A company is using a Kanban system with 2 containers, each holding 50 parts, between a downstream (using) and an upstream (producing) work center. The using work center can handle 250 jobs per day. The average elapsed time for the entire cycle is currently 0.25 days. The company is concerned about the safety factor for the operation. Which of the following is the safety factor (α) of the current operation?
A) 20 percent
B) 60 percent
C) 80 percent
D) 40 percent

Accepted Answer

The safety factor (α) is calculated using the formula: α = (Number of Kanban cards * Container size - Demand during lead time) / Demand during lead time. Here, the demand during lead time is 250 jobs/day * 0.25 days = 62.5 parts. The number of Kanban cards is 2, and the container size is 50, so the total parts available is 100. Therefore, α = (100 - 62.5) / 62.5 = 0.6 or 60 percent.

Quiz 17: Lean Operating Systems

Which of the following is a difference between lean production and Six Sigma

A__________is a flag or a piece of paper that contains all relevant information for an order, such as part number, description, process area used, time of delivery, quantity available, quantity delivered, production quantity, and so on.

In the context of lean tools and approaches, _____ are indicators for operating activities that are placed in plain sight of all employees so that everyone can quickly and easily understand the status and performance of the work system.

In the context of the 5S principles,__________means to arrange materials and equipment so that they are easy to find and use.

Which of the following is a similarity between lean production and Six Sigma