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business
operations management 6th
Questions and Answers of
Operations Management 6th
10. Draw the resulting layout for each possible pairwise interchange of departments that can be made in the departmental arrangement shown. A C E B D F
11. A factory with four major departments is to be arranged so that the cost of moving materials between the departments will be at or near the minimum. The product mix for the next 2 years has been
You are called in as a consultant for a firm that produces sporting goods. The manager wants you to arrange the plant to minimize transportation. The number of trips between departments and the cost
13. Departments A, C, D, and Eshould be 40 X 40 feet. Department B should be 40 X 80 feet. Arrange these five departments in a space 80 X 120 feet so that the layout meets the conditions specified in
14. Locate nine square departments 1 through 9 in a 3 X 3 grid so that the priorities in the matrix are satisfied. a = absolutely necessary e= i = u very important important OK, ordinary importance
15. The X-Calibre Company wishes to rearrange its six departments within a recently enlarged 160 X 240 foot building. The departments are to be equal in size, 80 X 80 feet, and arranged in a 2 X 3
The Spruce It Up furniture plant wishes to rearrange its six departments within a recently enlarged 200 X 300 foot building. The departments are to be equal in size, 100 X 100 feet, and arranged in a
17. Six equal-size rectangular departments are to be placed in locations I through VI in the building sketched below. Aisles and corridors will be parallel to the exterior walls so that no diagonal
6. Using the same target cycle time, task times, and precedence requirements given in the previous problem, assign tasks to work sections by choosing the shortest task that can be assigned to each
3. Refer to the table in problem 2.a. Using the same figures, balance the line by selecting the shortest time that will fit in a work station.b. Which line is more efficient—the one computed in
14. Why are many offices being built as multistory buildings whereas single-story factories are more common?
18. Determine which of the following two layouts will result in a lower product of trips times distance traveled per year if the numbers of trips between pairs of departments are as given in the
13. Why are many factories utilizing large, preengineered metal buildings with broad ex- panses of unobstructed floor space?
12. Why are some offices utilizing the open plan with broad expanses of space that have no permanent partitions?
11. Several factors usually should be taken into account in the attempt to develop an op- timal layout. What are some of these factors?
10. Differentiate between manufacturing and service layouts.
9. Briefly describe how a rabbit-chase cell operates.
8. Briefly describe how a U-line cell operates.
7. What is a manufacturing cell or "cellular manufacturing"?
19.The MTL Company wishes to arrange stock within its warehouse (see layout at top of next page) so that the items with the highest use times weight (about 20 percent of the items in this company)
6. What are five advantages and five disadvantages of layout by product (flow line)?
5. What are three classical types of layout? Give an example of each.
4. Describe five major types of materials-handling methods, and name some advantages of each.
3. Discuss some of the objectives of a good layout.
2. Under what circumstances might a layout study or evaluation be warranted?
1. Define layout.
20. The Gingersnap Company is interested in designing a new plant. Forecasts of the future product mix and demand levels indicate the floorspace requirements for the six production departments shown
21. The Marengo Machine Company is a job shop that produces a great variety of items.Flow within its plant is varied. Some departments deal with heavy items that are expensive to transport. The
22. A small college is designing a new campus and has studied the average flow of students between buildings as classes change. The number of students moving between buildings is shown in the matrix
1. Have you ever been to a Gap store? Maybe you haven’t visited one of their traditional stores, but you’ve shopped in Old Navy or Banana Republic, both of which are owned by Gap, Inc. Whether
2. Office layout can have an enormous impact on productivity. This is true for small businesses or large ones, such as Fidelity Investments. Access the Web site for Fidelity at www.fidelity.com, and
1. Is it reasonable to think that people’s creative drives and capabilities can be influenced by management efforts? Why, or why not?
2. What are some ways managers can try to keep organizations current on technology?
3. How can managers help encourage positive attitudes toward improvement projects?
4. Why should persons in manufacturing care about the way design engineers perform the design activities?
5. What are CAD and CAM? How do they differ from integrated CAD/CAM?
6. What are some advantages of using a common data base for multiple activities in a manufacturing company?
7. What are some advantages of using a common data base for multiple activities in a service company?
8. What is finite-element modeling, and why is it useful?
9. What is the difference between the variant approach and the generative approach to computer-aided process planning (CAPP)?
10. For very large production volumes, flexible automation often is less efficient than hard automation. Why might a company opt for flexible automation?
11. What are some advantages of flexible manufacturing systems?
12. What are some ways in which artificial intelligence differs from conventional computer applications?
13. How can an expert system assist a person who is already considered to be an expert in the field?
14. Why might artificial intelligence be valuable in automating services?
15. What impact do expert systems have on operations management decision making?
1. Access the Web site for Motorola at www.mot.com, and browse through the descrip- | www.mot.com tions of several of its technologically innovative products, such as its miniature StarTAC 8600
2. As mentioned in the chapter, even a nonprofit organization such as the American Red Cross uses technology to improve the way it provides relief and services to those who need them. Visit the Web
3. The American Greetings company prides itself on producing the high-quality greeting cards that retailers and consumers want. The company has been able to use automation and information technology
1. Briefly describe the three major functions or "core functions" in a business.
2. Why isn't human resource management listed as a separate function?
3. List the inputs, transformations, and outputs for three different types of businesses.
4. What is the meaning of complexity as a basis for dividing types of service businesses?
5. What characteristics typically would be thought of as more desirable for service work- ers in comparison with manufacturing workers?
6. How does a batch manufacturing company differ from a job shop?
7. Generally describe the characteristics of a repetitive manufacturing company.
8. What are four general differences between services and manufacturing?
9. Describe the general changes in the composition of the U.S. workforce that have oc- curred during the twentieth century.
10.a. What is a value ratio?b. How can the operations function affect the value ratio a company offers its cus- tomers?
1. The operations function of a company transforms inputs into outputs. Although the lines are sometimes blurry, inputs and outputs often do vary from manufacturing or- ganizations to service
2. Mullen Advertising has made a name for itself by helping some big-name companies turn their brand names into household word-Smartfood popcorn, Money magazine, and Timberland boots and shoes, to
3. Visit the Web site for a company that makes a product you already like to buy and use. Familiarize yourself with the company and its products in general. Then create a value ratio for the product
You look at a process that has three activities; each one can potentially go wrong. How many leaves does the event tree of this process have?a. 2b. 3c. 6d. 8e. 24 LO.1
In a p-chart, the upper control limit is how many estimated standard deviations above the average p-bar?a. 1b. 2c. 3d. 6 LO.1
How many standard deviations is the upper control limit, UCL, above the long-run center line, X-bar-bar?a. 1b. 2c. 3d. 6e. 12 difference. LO.1
For one and the same process, what scenario corresponds to a higher variation?a. A six-sigma processb. A three-sigma processc. Cannot be determined from the given information LO.1
If a process has a six-sigma capability, what is the process capability index?a. 1b. 2c. 6d. 12 LO.1
The “m” is then stamped onto each M&M by a special machine, avoiding any cracks in the candy shell. LO.1
Color is added as the final coat. Each batch has a different color and then batches are mixed across colors. LO.1
At panning, the chocolate cores are rotated and liquid candy is sprayed onto them. Multiple coatings are applied and each coating is allowed time to dry. LO.1
A conveyor belt transports the M&M’s to the panning operation. LO.1
Liquid chocolate is poured into molds, creating the chocolate core of the M&M’s. LO.1
A baking operation reduces the amount of variation in the oven temperature. This is an example of robust process design. True or false?A. True B. False LO.1
For 120 consecutive days, a process engineer has measured the temperature of champagne bottles as they are made ready for serving. Each day, she took a sample of 8 bottles. The average across all 960
A special packaging machine pours the proper amounts of M&M’s into the bags and then seals the package.From there, bags are combined into a carton box. LO.1
The chocolate is tumbled to make the chocolate core smooth and round. The chocolate is then given time to harden. LO.1
What is the primary measure of success in the operating cycle of a business?LO8
What is a sales discount? How can sales discounts be recorded? LO9
What are sales returns? Why do sales returns occur? LO86
Describe the documents that underlie the typical accounting system for sales. Give an example of a failure of internal control that might occur if these documents were not properly prepared. LO65
Write the formulas for the calculation of accounts receivable turnover and inventory turnover. What do these calculations tell us about accounts receivable and inventory? LO53
What are the components of cost of goods available for sale and of cost of goods sold? Assume that the firm uses the gross method of recording purchase discounts. LO45
UNCOLLECTIBLE ACCOUNT EXPENSE: CREDIT SALES METHOD. GilmoreElectronics had the following data for a recent year. LO3
ENDING INVENTORY AND COST OF GOODS SOLD. Hempstead Companyhas the following data for 19x9: LO8
COMPONENTS OF COST OF GOODS SOLD. Anna’s Corner Store has the following data for a recent year. LO9
Compare and contrast the three major ways economies can be organized. What type of economy exists in the United States? Do you think another type of economy would be better? Explain your answer.LO1-1
Select a commonly used product, such as gasoline or milk, and trackthe prices of this product over a 20-year period by creating a line graph.Explain price increases and decreases based on supply and
Explain how the Federal Reserve Bank affects the money supply inthe United States. How do the Fed’s actions, including setting reserverequirements and controlling discount rates, speed up or slow
Visit the Federal Trade Commission’s website to learn about the latestfrauds and schemes being carried out against consumers. Write a onepagereport on a new scheme that is not discussed in the
Social Studies Conduct a survey of at least three people of varied agesbased on the following question. “How is the U.S. economy impactingyour life?” As a class, compare and discuss the
Compute unit prices for the following pairs and determine which of thetwo is the better deal: (a) 3 for $0.98 or 8 for $2.99, (b) 4 for $1.00 or12 for $3.39, (c) 24 oz. for $1.98 or 36 oz. for $2.49,
Compare the SSI program with the TANF program with respect to each ofthe following: LO4a. Eligibility requirementsb. Groups that are coveredc. Benefits providedd. Financing
How is this affected by business policies concerning prices and credit sales? LO2
Can you give a response to Jessica—is there any other difference between the two lifts? LO.1
Who do you think is correct, Mark (the unload capacity should be twice as high) or Doug (the two lifts have the same capacity)? LO.1
A consulting company must hire 15 new associates per year to replace those who have left the company for other positions or have retired. The company employs 120 associates overall. How long is the
How long did the average passenger have to wait in line? LO.1
Consider the baggage check-in process of a small airline. Check-in data indicate that from 9 a.m. to 10 a.m., 240 passengers checked in. Moreover, based on counting the number of passengers waiting
LaVilla is a village in the Italian Alps. Given its enormous popularity among Swiss, German, Austrian, and Italian skiers, all of its beds are always booked in the winter season and there are, on
A large-scale bakery is laying out a new production process for its packaged bread, which it sells to several grocery chains. It takes 12 minutes to bake the bread. How large of an oven is required
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