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Exam 19: JIT and Lean Operations

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Question 31

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The goals of both kanban and MRP include:

A) smooth rates of output.
B) reduction of inventories.
C) explosion of materials required.
D) determination of capacity required.
E) larger lot sizes.

F) A) and E)
G) A) and D)

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Question 32

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The four building blocks of lean operations are: product design, process design, personnel/organizational elements, and manufacturing planning and control.

A) True
B) False

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Question 33

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Increased setup times generally require increased work-in-process inventories.

Fast and simple are two common threads that run through the four building blocks of lean operations.

Although transitioning to a lean system can be a powerful means of improving performance, some believe that using __________ along with lean can lead to even better results.

One problem with lean operations is that they can lead to much stress on workers due to their increased responsibility for process and quality improvement.

Lean purchasing requires frequent contract bidding by multiple sources to ensure the buyer of competitive prices.

The small lot-sizing policy works well in a situation where both holding costs and setup costs are high.

Lean systems typically require that suppliers be able to provide large lots at periodic intervals.

One major difference between the use of kanban and MRP in scheduling the items to be produced or ordered is that kanban is primarily a manual system while MRP uses computers.

Engineering changes should not be made in the six-month period following the introduction of a new product.

The term that refers to the automatic detection of defects is:

In a lean environment, anything not essential to the product or process is viewed as waste.

Process design that supports lean does not include:

The lean philosophy recognizes that some work-in-process inventories are a necessary investment to allow for smooth work flow.

Limited WIP lowers inventory carrying costs but reduces flexibility.

Having a vendor be responsible for managing the restocking of inventory is what is meant by the term:

A fundamental tenet of the lean philosophy is that workers are paid based on seniority.

The ultimate goal in a lean system is:

In a pull system, the accumulation of excessive inventory in front of a workstation is avoided even if there are problems such as equipment failure at that workstation which prevent it from completing its work.