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business
supply chain management 2nd
ISE Operations And Supply Chain Management 16th International Edition F. Robert Jacobs, Richard B. Chase - Solutions
If the process could be improved so that the standard deviation were only about 0.10 millimeter, what would be the best that could be expected with the processes relative to fraction defective?LO13-2
A Six Sigma process that is running at the center of its control limits would expect this defect rate.LO13-2
Variation that can be clearly identified and possibly managed.LO13-2
Variation inherent in the process itself.LO13-2
If a process has a capability index of 1 and is running normally(centered on the mean), what percentage of the units would one expect to be defective?LO13-2
An alternative to viewing an item as simply good or bad due to it falling in or out of the tolerance range.LO13-2
Quality characteristics that are classified as either conforming or not conforming to specification.LO13-2
A quality characteristic that is actually measured, such as the weight of an item.LO13-2
A quality chart suitable for when an item is either good or bad.LO13-2
A quality chart suitable for when a number of blemishes are expected on each unit, such as a spool of yarn.LO13-2
Useful for checking quality when we periodically purchase large quantities of an item and it would be very costly to check each unit individually.LO13-2
A chart that depicts the manufacturer’s and consumer’s risks associated with a sampling plan.LO13-2
Explain what lean production is.LO14-4
Illustrate how lean concepts can be applied to supply chain processes.LO14-4
Analyze supply chain processes using value stream mapping.LO14-4
Explain lean design principles.LO14-4
Apply lean concepts to service processes.LO14-4
Is it possible to achieve zero inventories? Why or why not?LO14-4
Can a supply chain become too lean? Explain your answer—using examples if possible.LO14-4
What are the roles of suppliers and customers in a lean system?LO14-3
Stopping waste is a vital part of lean. Using value stream mapping, identify some sources of waste in your home or dorm and discuss how they may be eliminated.LO14-4
How would you show a pull system in VSM symbols between the blanking and CNC stages of the bolt manufacturing Solved Problem 2?LO14-4
What is value stream mapping?LO14-4
What is the purpose of value stream mapping? How can it be achieved?LO14-4
Why must lean have a stable schedule?LO14-4
What objections might a marketing manager have to uniform plant loading?LO14-4
What are the implications for cost accounting of lean production?LO14-4
Explain how cards are used in a kanban system.LO14-4
In which ways, if any, are the following systems analogous to kanban: returning empty bottles to the supermarket and picking up filled ones; running a hot dog stand at lunchtime; withdrawing money from a checking account; raking leaves into bags?LO14-4
Why is lean hard to implement in practice?LO14-4
Explain the relationship between quality and productivity under the lean philosophy.LO14-5
Will lean work in service environments? Why or why not?LO14-4
Discuss ways to use lean to improve one of the following: a pizza restaurant, a hospital, or an auto dealership.LO14-4
What phrase refers to the idea that all steps in supply chain processes that deliver goods and services to the customer should create value?LO14-4
What term refers to the optimization of value-adding activities and the elimination of non–value-adding activities that are part of a value stream?LO14-4
List at least four of the seven prominent types of waste that should be eliminated from the supply chain.LO14-2
What lean concept relates to eliminating non–value-added steps and waste in product storage processes?LO14-3
In value stream mapping, what does an arrow in the shape of a lightning bolt mean?LO14-4
What does an inverted triangle represent in a value stream map?LO14-4
In a data box on a value stream map, what do the abbreviations CT and C/O mean?LO14-4
What is used to indicate suggested changes in a process that may lead to improvements in a value stream?LO14-4
What term refers to a schedule that pulls material into final assembly at a constant rate?LO14-4
The periodic inspection and repair of equipment designed to keep the equipment reliable, thus eliminating unplanned downtime due to malfunctions is called _____.LO14-4
What term refers to the concept of doing things right the first time and, when problems occur, stopping the process to fix the source of the problem?LO14-4
In some JIT systems, marked spaces on a table or the floor identify where material should be stored. Supplying operations are signaled to produce more when the space is empty. What are these spaces called?LO14-4
Under a kanban approach to lean manufacturing, order quantities should be as small as possible. For a part that is manufactured in-house, what part of its manufacturing process needs to be reduced to reduce the optimal order quantity for an item?LO14-4
A supplier of instrument gauge clusters uses a kanban system to control material flow. The gauge cluster housings are transported five at a time. A fabrication center produces approximately 10 gauges per hour. It takes approximately two hours for the housing to be replenished. Due to variations in
A bottling plant fills 2,400 bottles every two hours. The lead time is 40 minutes and a container accommodates 120 bottles. The safety stock is 10 percent of expected demand. How many kanban cards are needed?LO14-4
Compared to manufacturing systems, what is it about the environment of service operations that make them much harder to control?LO14-4
The chapter presents multiple techniques that service firms can use to make their processes leaner. Which technique is demonstrated by a restaurant that offers special discounts midweek to attract more demand during a traditionally slow period?LO14-4
Which of the changes being considered by the manager of Quality Parts Company are counter to the lean philosophy?LO14-4
Make recommendations for lean improvements in such areas as scheduling, layout, kanban, task groupings, and inventory. Use quantitative data as much as possible; state necessary assumptions.LO14-4
Sketch the operation of a pull system for running Quality Parts Company’s current system.LO14-4
Outline a plan for introducing lean at Quality Parts Company.LO14-4
Eliminating the queue of work dramatically quickens the time it takes a part to flow through the system. What are the disadvantages of removing those queues?LO14-4
How do you think the machine operators would react to the change?LO14-4
What would you do to ensure that the operators were kept busy?LO14-4
Create a value stream map (VSM) of this supply chain. What other information is needed?LO14-4
Where is there risk for supply chain disruptions or stoppages to the flow of materials?LO14-4
Where do opportunities reside in improving supply chain operations and how has VSM helped reveal these?LO14-4
Anything that does not add value from the customer’s perspective.LO14-4
An integrated set of activities designed to achieve production using minimal inventories of raw materials, work-in-process, and finished goods.LO14-4
The Toyota Production System is founded on these two philosophies.LO14-4
The set of value- and non–value-adding activities required to design, order, and provide a product from concept to launch, order to delivery, and raw materials to customers.LO14-4
The Japanese philosophy that focuses on continuous improvement.LO14-4
A philosophy in which similar parts are brought together in families for production purposes.LO14-4
Means producing only what is needed when needed and no more.LO14-4
A period of time during which the production schedule cannot be changed.LO14-4
Producing a mix of products that matches demand as closely as possible.LO14-4
A production control system that uses a signaling device to regulate the flow of material.LO14-4
If the lead time for an item is exactly five days, the demand is a constant four units per day, and the shipment container contains two units, how many kanban card sets would be needed? (Assume 0 percent safety stock.)LO14-4
A firm wants to justify smaller lot sizes economically. Management knows that it cannot change the cost to carry one unit in inventory because this is largely based on the value of the item. To justify a smaller lot size, what must it do?LO14-4
Explain the scope of total quality management in a firm.LO12-2
Understand the Six Sigma approach to improving quality and productivity.LO12-2
Illustrate globally recognized quality benchmarks.LO12-2
Is the goal of Six Sigma realistic for services such as Blockbuster Video stores or Redbox DVD kiosks?LO12-2
“If line employees are required to work on quality improvement activities, their productivity will suffer.” Discuss.LO12-2
“You don’t inspect quality into a product; you have to build it in.” Discuss the implications of this statement.LO12-2
“Before you build quality in, you must think it in.” How do the implications of this statement differ from those in question 3?LO12-2
Business writer Tom Peters has suggested that in making process changes, we should “Try it, test it, and get on with it.” How does this square with the DMAIC/continuous improvement philosophy?LO12-2
Develop a cause-and-effect (fishbone) diagram to address everything that impacts your grade in this course. How much is under your control?LO12-3
Shingo told a story of a poka-yoke he developed to make sure that the operators avoided the mistake of putting fewer than the required four springs in a push-button device. The existing method involved assemblers taking individual springs from a box containing several hundred and then placing two
A typical word processing package is loaded with poka-yokes. List three.Are there any others you wish the packages had?9. Is certification under the ISO standards in this chapter necessary for competing in the modern market? What should companies consider when deciding whether or not to become
Do you see any relationship between the ISO standards mentioned in this chapter and the competitive strategy concepts mentioned earlier in the text?LO12-2
What is the name of the national quality award given by the government of the United States?LO12-2
What is the term that means making the person who does the work responsible for ensuring that specifications are met?LO12-2
What are the four general categories of quality costs?LO12-2
What term means managing the entire organization so that it excels on all dimensions of products and services that are important to customers?LO12-2
A manager states that her process is really working well. Out of 1,500 parts, 1,477 were produced free of a particular defect and passed inspection. Based upon Six Sigma theory, how would you rate this performance, other things being equal? (Answer in Appendix E)LO12-2
The following is a table of data collected over a six-month period in a local grocery store. Construct a Pareto analysis of the data and determine the percentage of total complaints represented by the two most common categories.All Other 71 Checker 59 General 58 Service Level 55 Policy/Procedures
A common problem that many drivers encounter is a car that will not start.Create a fishbone diagram to assist in the diagnosis of the potential causes 10. A manufacturing company has been inspecting units of output from a process. Each product inspected is evaluated on five criteria. If the unit
What is the term for a flowchart that is used to separate value-added from non–value-added steps in a process? (Answer in Appendix E)LO12-2
What does the acronym DMAIC stand for?LO12-2
Which international standard has recently been developed to address and encourage socially responsible behavior in firms?LO12-2
Which industry-specific standard has been developed by the big three automakers for suppliers of parts, materials, and services to the automotive industry?LO12-2
What is it called when a firm examines other companies for examples of best practices?LO12-2
Consumer Reports, the service that reports unbiased testing and ratings on cars (together with about everything else we buy), recommends avoiding new cars in their first year of production, especially those loaded with new technology. What can Tesla do to refute this recommendation?LO12-2
How should Tesla “manage” the delivery of the Model 3; consider in particular the delivery of cars to European customers. Think about this relative to where cars should be delivered geographically and how the service process should be designed.LO12-2
Should Tesla deliver cars to customers on a first-come-first-served basis(i.e., in the order of when deposits were placed)?LO12-2
Tesla is building a new plant in China that will produce the Model 3 and Model Y cars. How should Tesla handle quality issues that customers have with these cars as they are sold into the Chinese market?LO12-2
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