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business
production and operations management

Questions and Answers of Production And Operations Management

• • • 9.25 An assembly plant for the Blood Pressure RX, a portable blood pressure device, has 400 minutes available daily in the plant for the device, and the average demand is 80 units per day
a) Draw a precedence diagram of this operationb) Given the demand, what is the cycle time for this operation?c) What is the theoretical minimum number of workstations?d) Assign tasks to
1. What is the maximum number of applications per hour that can be handled by the present configuration of the process?Henry Coupe, the manager of a metropolitan branch office of the state department
2. How many applications can be processed per hour if a second clerk is added to check for violations?Henry Coupe, the manager of a metropolitan branch office of the state department of motor
3. If the second clerk could be added anywhere you choose (and not necessarily to check for violations, as in Question 2), what is the maximum number of applications the process can handle?What is
4. How would you suggest modifying the process to accommodate 120 applications per hour? What is the cost per application of this new configuration?Henry Coupe, the manager of a metropolitan branch
1. Identify the many variables that a hospital needs to consider in layout design. When Orlando’s Arnold Palmer Hospital began plans to create a new 273-bed, 11-story hospital across the street
2. What are the advantages of the circular pod design over the traditional linear hallway layout found in most hospitals? When Orlando’s Arnold Palmer Hospital began plans to create a new 273-bed,
3. Figure 9.21 illustrates a sample linear hallway layout. During a period of random observation, nurse Thomas Smith’s day includes 6 trips from the nursing station to each of the 12 patient rooms
4. Figure 9.22 illustrates an architect’s drawing of Arnold Palmer Hospital’s new circular pod system. If nurse Susan Jones’s day includes 7 trips from the nursing pod to each of the 12
5. The concept of servicescapes is discussed in this chapter.Describe why this is so important at Arnold Palmer Hospital, and give examples of its use in layout design. When Orlando’s Arnold Palmer
6. As technology and costs change, hospitals continue to innovate.The reduced cost of computers means some hospitals have moved from a central computer at the nurse’s station to computers in the
1. What analytical techniques are available to help a company like Wheeled Coach deal with layout problems? When President Bob Collins began his career at Wheeled Coach, the world’s largest
2. What suggestions would you make to Bob Collins about his layout? When President Bob Collins began his career at Wheeled Coach, the world’s largest manufacturer of ambulances, there were only a
3. How would you measure the “efficiency” of this layout? When President Bob Collins began his career at Wheeled Coach, the world’s largest manufacturer of ambulances, there were only a handful
LO 9.1 Which of the following statements best describes office layout?a) Groups workers, their equipment, and spaces/offices to provide for movement of information.b) Addresses the layout
LO 9.6 For a focused work center or focused factory to be appropriate, the following three factors are required:a)b)c)
LO 9.7 Before considering a product-oriented layout, it is important to be certain of:a)b)c)d)
Describe labor-planning policies
LO 10.2 Identify the major issues in job design
LO 10.3 Identify major ergonomic and work environment issues
LO 10.5 Identify four ways of establishing labor standards
The time study of a work operation at a Red Lobster restaurant yielded an average observed time of 4.0 minutes. The analyst rated the observed worker at 85%. This means the worker performed at 85% of
Management Science Associates promotes its management development seminars by mailing thousands of individually composed and typed letters to various firms. A time study has been conducted on the
Andy Johnson Mfg., in Orlando, has asked you to check a labor standard prepared by a recently terminated analyst. Your first task is to determine the correct sample size. Your accuracy is to be
General Hospital wants to set the standard time for lab technicians to pour a tube specimen using MTM.APPROACH c This is a repetitive task for which the MTM data in Table 10.3 may be used to develop
DETERMINING THE NUMBER OF WORK SAMPLE OBSERVATIONS NEEDED The manager of Michigan County’s welfare office, Dana Johnson, estimates that her employees are idle 25% of the time. She would like to
DETERMINING EMPLOYEE TIME ALLOCATION WITH WORK SAMPLING Dana Johnson, the manager of Michigan County’s welfare office, wants to be sure her employees have adequate time to provide prompt, helpful
1. How would you define a good quality of work life?
9. What are the main purposes of setting labor standards?
10. What are some of the uses to which labor standards are put?
14. The operator drops a part, which you pick up and hand to him. Does this make any difference in a time study? If so, how?
As pit crew manager for the NASCAR team (see the Global Company Profile that opens this chapter), you would like to evaluate how your “Jackman” (JM) and “Gas Man #1” (GM #1) are utilized.
• 10.1 Rate a job you have had using Hackman and Oldham’s core job characteristics (see page 445) on a scale from 1 to 10. What is your total score? What about the job could have been changed to
• 10.2 Make a process chart for changing the right rear tire on an automobile.
• 10.3 Draw a process chart for receiving an order for a coffee, making the coffee, and handing it to the customer in a café.
• • 10.5 To make sandwiches at a Subway, the staff should make use of both hands very quickly and efficiently. Make an operations chart involved in making a sandwich.
• 10.6 Develop a process chart for installing a new memory board in your personal computer.
• • 10.7 Using the data in Solved Problem 10.1, prepare an activity chart like the one in the Solved Problem, but a second Gas Man also delivers 11 gallons.
• • 10.8 Prepare a process chart for the Jackman in Solved Problem 10.1.
• • 10.9 Draw a process chart for the activities of a receptionist handling the check-in process at a hotel.
• 10.13 If Charlene Brewster has times of 8.4, 8.6, 8.3, 8.5, 8.7, and 8.5 and a performance rating of 110%, what is the normal time for this operation? Is she faster or slower than normal?
• 10.14 If Charlene, the worker in Problem 10.13, has a performance rating of 90%, what is the normal time for the operation?Is she faster or slower than normal?
• • 10.15 Refer to Problem 10.13.a) If the allowance factor is 15%, what is the standard time for this operation?b) If the allowance factor is 18% and the performance rating is now 90%, what is
• • 10.16 Claudine Soosay recorded the following times assembling a watch. Determine (a) the average time, (b) the normal time, and (c) the standard time taken by her, using a performance rating
• • 10.22 A hotel housekeeper, Alison Harvey, was observed five times on each of four task elements, as shown in the following table. On the basis of these observations, find the standard time
• • 10.23 A pizza shop in Dubai wants to estimate the standard time for preparing its famous margarita pizza. The manager has performed a time study of the process and the following results have
• 10.24 The results of a time study to perform a quality control test are shown in the following table. On the basis of these observations, determine the normal and standard time for the test,
• • 10.28 Based on a careful work study in the Hofstetter Corp., the results shown in the following table have been observed:a) Compute the normal time for each work element.b) If the allowance
• • 10.31 Bank manager Art Hill wants to determine the percentage of time that tellers are working and idle. He decides to use work sampling, and his initial estimate is that the tellers are idle
• • 10.32 Supervisor Kenneth Peterson wants to determine the percentage of time a machine in his area is idle. He decides to use work sampling, and his initial estimate is that the machine is
• • • 10.34 A random work sample of operators taken over a 160-hour work month at Tele-Marketing, Inc., has produced the following results. What is the percentage of time spent working? On
• 10.36 Sharpening your pencil is an operation that may be divided into eight small elemental motions. In MTM terms, each element may be assigned a certain number of TMUs:What is the total normal
• 10.39 An assembly-line worker at Joseph Milner’s Fabrication Shop inserts Part A into Part B. A time study was conducted and produced the following results in seconds: 8.4, 8.6, 8.3, 8.5, 8.7,
• • 10.42 Arunachalam Narayanan has been clocked performing three work elements in the office, with the results shown in the following table. The allowance for tasks such as this is 15%.a) Find
1. Determine the job element’s normal time and standard time.Fast & Fresh Pastry is a medium-sized company in Australia, specialized in baking and distributing pastries in high volumes.They
2. If the management uses a 95% confidence level and an accuracy of ;5%, is their current sample size sufficient?Fast & Fresh Pastry is a medium-sized company in Australia, specialized in baking
3. Is one additional employee sufficient to perform the new job element and prepare the 400 sandwiches during the morning shift?The workers get one 50-minute paid break during the shift, which is not
4. How much labor cost does new job element add to the total cost of one croissant sandwich?Fast & Fresh Pastry is a medium-sized company in Australia, specialized in baking and distributing
1. Summarize Alaska Airlines’ human resources focus in your own words. With thousands of employees spread across nearly 100 locations in the United States, Mexico, and Canada, building a committed
2. Why is employee empowerment useful to companies such as Alaska Airlines? With thousands of employees spread across nearly 100 locations in the United States, Mexico, and Canada, building a
3. What tools discussed in the chapter might be employed to enhance the company’s training and performance efforts? Why? With thousands of employees spread across nearly 100 locations in the United
1. What has Hard Rock done to lower employee turnover to half the industry average? Everyone—managers and hourly employees alike—who goes to work for Hard Rock Cafe takes Rock 101, an initial
2. How does Hard Rock’s human resource department support the company’s overall strategy? Everyone—managers and hourly employees alike—who goes to work for Hard Rock Cafe takes Rock 101, an
3. How would Hard Rock’s value system work for automobile assembly line workers? (Hint: Consider Hackman and Oldham’s core job characteristics.) Everyone—managers and hourly employees
4. How might you adjust a traditional assembly line to address more “core job characteristics”? Everyone—managers and hourly employees alike—who goes to work for Hard Rock Cafe takes Rock
LO 10.3 The work environment includes these factors:a) Lighting, noise, temperature, and air qualityb) Illumination, carpeting, and high ceilingsc) Enough space for meetings and videoconferencingd)
LO 10.4 Methods analysis focuses on:a) the design of the machines used to perform a task.b) how a task is accomplished.c) the raw materials that are consumed in performing a task.d) reducing the
LO 10.5 The least preferred method of establishing labor standards is:a) time studies.b) work sampling.c) historical experience.d) predetermined time standards.
LO 10.6 The allowance factor in a time study:a) adjusts normal time for errors and rework.b) adjusts standard time for lunch breaks.c) adjusts normal time for personal needs, unavoidable delays, and
LO 10.7 To set the required sample size in a time study, you must know:a) the number of employees.b) the number of parts produced per day.c) the desired accuracy and confidence levels.d)
Explain the strategic importance of the supply chain
LO 11.2 Identify six sourcing strategies
LO 11.3 Explain issues and opportunities in the supply chain
LO 11.4 Describe the steps in supplier selection
LO 11.5 Explain major issues in logistics management
Hau Lee Furniture, Inc., spends 60% of its sales dollars in the supply chain and has a current gross profit of $10,000. Hau wishes to increase gross profit by $5,000 (50%). He would like to compare
Home Depot’s management wishes to track its investment in inventory as one of its performance measures.Recently, Home Depot had $12.5 billion invested in inventory and total assets of $42.9
PepsiCo, Inc., manufacturer and distributor of drinks, Frito-Lay, and Quaker Foods, provides the following in a recent annual report (shown here in $ billions). Determine PepsiCo’s
Using the PepsiCo data in Example 3, management wants to know the weeks of supply.APPROACH c We know that inventory investment is $2.73 billion and that weekly sales equal annual cost of goods sold
1. Define supply chain management.
2. What are the objectives of supply chain management?
3. What is the objective of logistics management?
6. What are three basic approaches to negotiations?
9. What is CPFR?
10. What is the value of online auctions in e-commerce?
11. Explain how FedEx uses the Internet to meet requirements for quick and accurate delivery.
12. How does Walmart use drop shipping?
13. What are blanket orders? How do they differ from invoiceless purchasing?
14. What can purchasing do to implement just-in-time deliveries?
15. What is e-procurement?
16. How does Red Lobster, described in the Global Company Profile, find competitive advantage in its supply chain?
17. What is SCOR, and what purpose does it serve?
Jack’s Pottery Outlet has total end-of-year assets of $5 million.The first-of-the-year inventory was $375,000, with a year-end inventory of $325,000. The annual cost of goods sold was$7 million.
• • 11.1 Choose a local establishment that is a member of a relatively large chain. From interviews with workers and information from the Internet, identify the elements of the supply
• • • • 11.3 Kamal Fatehl, production manager of Kennesaw Manufacturing, finds his profit at $15,000 (as shown in the following statement)—inadequate for expanding his business. The bank is
• • 11.6 A company buys an item for €50 and sells it for €75.The annual sales and average stock of this item are 10,000 units and 1,600 units, respectively, while the carrying cost is 20% of
• • 11.11 Based on the data in Table 11.10 determine:a) How many weeks of finished goods were on hand at the end of last year.b) How many weeks of finished goods were on hand at the end of this
1. What are the advantages of each of Darden’s four supply chains? Darden Restaurants, owner of popular brands such as Olive Garden and LongHorn Steakhouse, requires unique supply chains to serve
2. What are the complications of having four supply chains? Darden Restaurants, owner of popular brands such as Olive Garden and LongHorn Steakhouse, requires unique supply chains to serve more than

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