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The Japanese term for waste is "gemba."

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Kaizen events typically take from one to two months.

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With regards to suppliers,lean systems typically require


A) delivery of large lots at frequent intervals.
B) buyer inspection of goods and materials.
C) multiple sources from which to purchase.
D) long-term relationships and commitments.

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D

The time it takes a container to complete an entire circuit consists of


A) move time, time used, and wait time.
B) wait time, run time, setup time, and idle time.
C) fill time, wait time, move time, time used, and time to be returned to be filled again.
D) none of the above.

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One of the main objectives of a lean system is


A) striving for "good enough."
B) reduction of takt time.
C) reduction of waste.
D) define value from the manufacturer's perspective.

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How is the 5 Whys technique used in a lean system?

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The 5 Whys technique is used for system...

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The ideal lot size for a lean system is


A) infinite.
B) one.
C) the capacity of the machine.
D) variable according to the production requirements.
E) none of the above.

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Which of the following is true about kanban systems?


A) The purpose is to ensure parts are produced JIT to support subsequent processes.
B) Some companies control the movement of the containers by using two types of kanban cards: production cards and withdrawal cards.
C) Kanban cards take the place of shop paperwork used in traditional mass production.
D) All of the above.

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According to the lean philosophy,a stable master production schedule is desirable to reduce the work-in-process inventories.

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True

Which of the following is NOT a lean tenet?


A) Specify what about a product or service creates value from the customer's perspective.
B) Identify, study, and improve the value stream of the process for each product and service.
C) Improve value to customer by producing goods well in advance of demand.
D) Strive for perfection.

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The effect of a lean system on employees can best be described as


A) lean engages employees in problem-solving activities.
B) lean promotes worker specialization and increases economies of scale.
C) lean reduces the need for continuous investment in new skill development.
D) lean supports pay systems based on seniority.

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If it takes 100 minutes to complete a circuit,demand at the next work center is 5 parts per minute,and a kanban container holds 20 parts,how many containers are required?


A) 25
B) 5
C) 40
D) 20

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Lean is an example of a pull system while lean thinking is an example of a push system.

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Given the following information pertaining to item AX143,determine the appropriate number of kanban containers that should be used to support production. Demand rate = 500 units/week Time for container to complete circuit = 2 weeks Safety stock = 30 percent Size of container = 5 units


A) <100 containers.
B) Between 100 and 500 containers.
C) >500 containers.
D) There is not enough information to answer the question.

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Which of the following is NOT generally an element of a lean system?


A) Flexible workforce
B) MRP push system
C) Stable master schedule
D) Kanban pull system

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Which of the following describes a kaizen event?


A) A work stoppage due to a quality problem, either internal or external (supplier quality) .
B) Any time when supply is clearly mismatched with customer demand, creating shortages or inventory build-up.
C) A short-term team project focused on finding opportunities for continuous improvement.
D) None of the above.

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C

A work center uses kanban containers that hold 200 parts.To produce enough parts to fill a container,60 minutes of setup plus run time are needed.Moving the container to the next workstation,waiting time,processing time at the next work station,and return of the empty container take 120 minutes.There is an overall demand rate of 10 units per minute.Calculate the number of containers needed for this process.


A) 6
B) 7
C) 8
D) 9

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Which of the following would NOT be an example of waste in a retail grocery store?


A) Produce found past its sell-by date.
B) Customers not able to find the product they seek.
C) Checkout clerk unable to accurately scan a package bar code.
D) All are examples of waste.

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Supplier management in a lean system


A) may require co-location of supplier goods close to plants that receive delivery.
B) means an increase in the number of suppliers for each component.
C) generally involves short-term relationships with the buyer.
D) usually requires additional paperwork, as compared with a non-lean system.

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The ideal setup time for a lean system is


A) 5 minutes.
B) the time it takes the line to get ready.
C) 0 minutes.
D) 1 hour.

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