Question: Susan Cottenden clocked the observed time for

> If you have a third option for the data in Problem S11.16 and it costs only $4,000 and also takes 20 days, what is your most economical plan? Data from Problem S11.16: A company with a plant in Basel can be served by both rail and truck at a cost of €25

> A company with a plant in Basel can be served by both rail and truck at a cost of €250 and €1,500 per load, respectively. The transit time for the train is 15 days while that for the truck is 5 days. a) If the daily cost of transit inventory is €100, whi

> Sean Willems has evaluated the vendors in Table S11.3 as well as Fricker V-Tech, the vendor in Problem S11.13, but the Quality Control Manager says that new data suggest that Siemsen Systems, Inc.’s quality has deteriorated, and Siemsen

> Referring to Problem S11.12, Sean Willems, in addition to the two possible vendors evaluated in Table S11.3, has found a third possible vendor. He now wants to evaluate all three vendors using the weights in Table S11.3. He scores the third vendor, Frick

> The supply chain manager for Keskin Industries, Sean Willems, has developed the data shown in Table S11.3 for two vendors. Based on the weights and rankings shown, which is the preferred vendor?

> Using the data in Problem S11.10, assume that both Donna, Inc. and Kay Corp. are able to move all their “poor” ratings to “fair.” How would you then rank the two firms? Data from Pr

> As purchasing agent for Eynan Enterprises in Richmond, Virginia, you ask your buyer to provide you with a ranking of “excellent,” “good,” “fair,”

> How would you go about attempting to come up with the probability of a “super-event” or the probability of a “unique event?” What factors would you consider?

> The plant manager, Murat Kristal, at York Technologies makes Aircraft Navigation Systems. He expects you, as the new OM analyst, to provide some insight for performance of the plant. High on his list is an understanding of his inventory turnover based on

> What are the key factors that should be considered when designing a hospital layout?

> A company has supplied the following data with respect to its three different types of fertilizers: Calculate (assuming 50 sales weeks annually): a) The inventory turnover and weeks of supply for each fertilizer. b) The average inventory turnover and ave

> An excerpt from Kalamia manufacturing company’s last year’s final annual report revealed the following information: Compute: a) inventory turnover; b) weeks of supply, assuming an annual operation of 50 weeks and the c

> 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 its acquisition cost. Calculate: a) inventory turnover b) weeks of supp

> The financial analysis of a manufacturing company for the previous year has provided, among others, the following details: Net revenue: €50,000 Cost of goods sold: €26,000 Value on hand: ◆ Raw material: €1,500 ◆ Work-in-process: €1,200 ◆ Finished goods:

> 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 year.

> Based on the data in Table 11.10, you have been asked to determine: a) The company’s percentage of assets committed to inventory last year. b) The company’s percentage of assets committed to inventory this year. c) The

> 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 chain. Determine whether the supply chain supports a low-cost, rapid response,

> Draw a process chart for the activities of a receptionist handling the check-in process at a hotel.

> Prepare a process chart for the Jackman in Solved Problem 10.1. Data from Problem 10.1: Rate a job you have had using Hackman and Oldham’s core job characteristics on a scale from 1 to 10. What is your total score? What about the job could have been cha

> 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. Data from Problem 10.1: Rate a job you have had using Hackman and Oldham’s core job characteristics on a

> Review the location of shops and services in your local shopping centre. Can you find examples of clustering in the retail sector?

> Develop a process chart for installing a new memory board in your personal computer.

> 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.

> A time study has revealed an average observed time of 5 minutes, with a standard deviation of 1.25 minutes. These figures are based on a sample of 75 cycles. Is this sample large enough for analyst Anand Paul to be 99.73% confident that the standard time

> 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 the normal time. b) Find the standard time

> The data in the following table represent time-study observations for an assembly process at Nagesh Murthy’s Toy Factory. On the basis of these observations, find the normal time for each element and the standard time for the process. A

> The cycle time for performing a certain task has been clocked at 10 minutes. The performance rating of Richard Muszynski III was estimated at 110%. Common practice in this department is to allow 5 minutes of personal time and 3 minutes of fatigue time pe

> Draw an activity chart for a concert (for example, Tim McGraw, Linkin Park, Lil’ Wayne, or Bruce Springsteen) and determine how to put together the concert so the star has reasonable breaks. For instance, at what point is there an instrumental number, a

> 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, 8.5. What is the average cycle time?

> Supervisor Tom Choi at Tempe Equipment Company is concerned that material is not arriving as promptly as needed at work cells. A new kanban system has been installed, but there seems to be some delay in getting the material moved to the work cells so tha

> 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 time for sharpening one pencil? Convert your answer into minutes

> Jaguar Land Rover opened its first plant in China in 2014. Discuss the main reasons behind this decision.

> Darden Restaurants, owner of popular brands such as Olive Garden, Bahama Breeze, and Longhorn Grill, serves more than 320 million meals annually in more than 1,500 restaurants across the U.S. and Canada. To achieve competitive advantage via its supply ch

> A total of 300 observations of Bob Ramos, an assembly-line worker, were made over a 40-hour workweek. The sample also showed that Bob was busy working (assembling the parts) during 250 observations. a) Find the percentage of time Bob was working. b) If y

> 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?

> A typical engineer at a mobile phone insurance company can fix 12 mobiles per day (based on the current demand level). If he works for nine hours a day, how much time does he have to fix each mobile? If the engineers are given 20% allowance (personal, fa

> 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 idle 20% of the time. How many observations should Peterson take to be 9

> 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 15% of the time. How many observations should Hill take to be 95.45%

> The process of replacing an old tire for customers at Tire Tech.company involves five work elements. The table below shows the results of a time study of the process performed by the manager on seven occasions. a) What is the standard time for the proces

> Draw a process chart for receiving an order for a coffee, making the coffee, and handing it to the customer in a café.

> The Dubuque Cement Company packs 80-pound bags of concrete mix. Time-study data for the filling activity are shown in the following table. Because of the high physical demands of the job, the company’s policy is a 23% allowance for work

> 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 for this type of work is 15%, what is the standard time? c) How many

> A time study of a factory worker has revealed an average observed time of 3.20 minutes, with a standard deviation of 1.28 minutes. These figures were based on a sample of 45 observations. Is this sample adequate in size for the firm to be 99% confident t

> Why have many manufacturing facilities relocated from Western Europe to Asia? Discuss the motives and risks.

> Each year, Lord & Taylor, Ltd., sets up a gift-wrapping station to assist its customers with holiday shopping. Preliminary observations of one worker at the station produced the following sample time (in minutes per package): 3.5, 3.2, 4.1, 3.6, 3.9. Bas

> Peter Rourke, a loan processor at Wentworth Bank, has been timed performing four work elements, with the results shown in the following table. The allowances for tasks such as this are personal, 7%; fatigue, 10%; and delay, 3%. a) What is the normal time

> 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, assuming a 23% allowance factor.

> 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 been observed. What is the standard time for the process, if the shop

> 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 for the process. Assume a 10% allowance factor.

> After training, Mary Fernandez, a computer technician, had an average observed time for memory-chip tests of 12 seconds. Mary’s performance rating is 100%. The firm has a personal fatigue and delay allowance of 15%. a) Find the normal time for this proce

> Make a process chart for changing the right rear tire on an automobile.

> Jell Lee Beans is famous for its boxed candies, which are sold primarily to businesses. One operator had the following observed times for gift wrapping in minutes: 2.2, 2.6, 2.3, 2.5, 2.4. The operator has a performance rating of 105% and an allowance fa

> After being observed many times, Beverly Demarr, a hospital lab analyst, had an average observed time for blood tests of 12 minutes. Beverly’s performance rating is 105%. The hospital has a personal, fatigue, and delay allowance of 16%. a) Find the norma

> Asda, a leading supermarket in the U.K., is taking its click-and-collect service (where customers can order online and collect their items from the collection points) to train stations across London for the first time as part of a wider charge to expand

> A Northeast Airlines gate agent, Chip Gilliken, gives out seat assignments to ticketed passengers. He takes an average of 50 seconds per passenger and is rated 110% in performance. How long should a typical agent be expected to take to make seat assignme

> 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 of 95% and a personal allowance of 8%.

> 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 the standard time for this operation? Data from Problem 10.13: If C

> 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? Data from Problem 10.13: If Charlene Brewster has times of 8.4, 8.6, 8.3, 8.5, 8.7, and 8.5 and a

> 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?

> Design a process chart for printing a short document on a laser printer at an office. Unknown to you, the printer in the hallway is out of paper. The paper is located in a supply room at the other end of the hall. You wish to make five stapled copies of

> Encouraging people to separate their household waste into recyclable and non-recyclable bins and collecting these bins has been a big task for many local authorities. In the collection process, the bin lorry collects two types of bins from each house. Th

> Draw an activity chart for washing the dishes in a double-sided sink. Two people participate, one washing, the other rinsing and drying. The rinser dries a batch of dishes from the drip rack as the washer fills the right sink with clean but unrinsed dish

> Rate a job you have had using Hackman and Oldham’s core job characteristics on a scale from 1 to 10. What is your total score? What about the job could have been changed to make you give it a higher score?

> Reid Chocolates has yet another layout it wishes to consider. Layout 5, which follows, has what total trip distance?

> Distribution centres have a key role in ensuring quick home delivery of products in online sales. What techniques can be employed by retailers to select the best locations for their distribution centres?

> The National Library of China consists of four major sections, each occupying different floors of a seven-storey building. A study shows that the average total distance covered by visitors per day among different sections of the library is around 1,500 k

> A job shop in the new industrial area of Six of October, Egypt, wants to arrange four work centers to minimize the interdepartmental material-handling cost. The flow and the current layout are shown below. a) What is the “load * distanc

> Marilyn Hart, operations manager at Hart Electronics, faces assembly-line balancing problems. She has been told that the firm needs to complete 1,400 electronic relays per day. There are 420 minutes of productive time in each working day (which is equiva

> Given the following task, times, and sequence, develop a balanced line capable of operating with a 10-minute cycle time at Dave Visser’s company. a) Draw the precedence diagram. b) Assign tasks to the minimum feasible number of workstat

> 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 Final assembly requires 6 separate tasks. Information concerning these

> The process of renewing a driver’s license at the traffic department in Egypt involves the following seven activities. These activities are currently performed in order and there are seven workers on duty. a) Develop a layout for the cu

> A manufacturing firm in Saudi Arabia has four work centres arranged in the following order: Plan A (Existing Layout). The number of work pieces moved between the four work centres are shown in the table below. The cost to move 1 work piece for 1 meter is

> Ten basic tasks must be performed on an assembly line to manufacture a product. The demand for the product is 60 units per day and the line is available 8 hours per day. The time to perform each task and the immediate predecessors are shown below: a) Dra

> A medical center located in Kuwait has the following layout. Each department is nearly 10 × 15 meters. The average number of patients moving among the different departments per day is shown in the table below: a) Compute the total patient mo

> A large equipment manufacturer uses five adjacent work centres to manufacture its equipment. The distance between any two adjacent work centres is 100 meters. The number of daily trips between the different work centres is given below: Find the best layo

> How can the centre-of-gravity method be used to find the best locations for local services such as public libraries, medical centres, or post offices? What constraints should be considered when the method is used in large, congested cities?

> Brazil’s fast-growing economy has been largely dependent on its freight transport capacity. A recent study has categorized the country’s containership sea port terminals into three distinct groups based on the competit

> Subway, with more than 27,000 outlets in the U.S., is planning for a new restaurant in Buffalo, New York. Three locations are being considered. The following table gives the factors for each site. a) At which site should Subway open the new restaurant? b

> The main post office in Tampa, Florida, is due to be replaced with a much larger, more modern facility that can handle the tremendous flow of mail that has followed the city’s growth since 1970. Since all mail, incoming or outgoing, tra

> Xun Xu Health and Fitness has several production facilities scattered around the central and northern part of Iowa. It would be desirable to have a distribution center from which to send product to retailers such as Sears, WalMart, Kmart, and large sport

> The fixed and variable costs for four potential plant sites for Brent Snyder’s Ski Supplies are shown here: a) Graph the total-cost lines for the four potential sites. b) Over what range of annual volume is each location the preferable

> The fixed and variable costs (in U.S. dollars) for the new recycling plant that Eldon Yi is opening in Australia are computed as follows: a) Over what range is each city preferable? b) For a recycling of 5,000 units, which site is best?

> A Detroit seafood restaurant is considering opening a second facility in the suburb of West Bloomfield. The following table shows its ratings of five factors at each of four potential sites. Which site should the owner, Lucy Lyu, select?

> When placing a new medical clinic, the county health commissioner, Vicky Luo, wishes to consider three sites. The pertinent data are given in the following table. Which is the best site (assuming a higher weight is more desirable than a lower one)?

> Katie Reynolds owns two exclusive women’s clothing stores in Miami. In her plan to expand to a third location, she has narrowed her decision to three sites—one in a downtown office building, one in a shopping mall, and

> 24SEVEN convenience store, which opened its first store in New Delhi’s Lajpat Nagar in 2005, presently operates 38 round-the-clock stores in India’s capital region. Assume that the chain is planning to open its new bra

> What keeps plotted revenue data from falling on a straight line in a break-even analysis?

> A production line at V. J. Sugumaran’s machine shop has three stations. The first station can process a unit in 10 minutes. The second station has two identical machines, each of which can process a unit in 12 minutes. (Each unit only needs to be process

> Under ideal conditions, a service bay at a Fast Lube can serve 6 cars per hour. The effective capacity and efficiency of a Fast Lube service bay are known to be 5.5 and 0.880, respectively. What is the minimum number of service bays Fast Lube needs to ac

> Southeastern Oklahoma State University’s business program has the facilities and faculty to handle an enrollment of 2,000 new students per semester. However, in an effort to limit class sizes to a “reasonable” level (under 200, generally), Southeastern’s

> The effective capacity and efficiency for the next quarter at MMU Mfg. in Waco, Texas, for each of three departments are shown: Compute the expected production for next quarter for each department.

> Material delays have routinely limited production of household sinks to 400 units per day. If the plant efficiency is 80%, what is the effective capacity?

> Portland Savings and Loan is considering new computer software, which, because of installation and training cost, will have an unusual pattern of net receipts. The expected receipts are: $20,000 in year 1, nothing in the next year, $30,000 in year 3, and

> Cheryl Druehl needs to purchase a new milling machine. She is considering two different competing machines. Milling Machine, a will cost $300,000 and will return $80,000 per year for 6 years, with no salvage value. Milling machine B will cost $220,000 an

> Justin Bateh is considering a new machine for his shop. The machine is expected to generate receipts as follows: $50,000 in year 1, $30,000 in year 2, nothing in the next year, and $20,000 in year 4. At an interest rate of 6%, what is the present value o

> Tony and Steve are considering whether to purchase a new “bending brake.” This machine puts precise bends in a material used in their vinyl siding business. The machine will cost $70,000. Tony and Steve estimate that the machine will generate profits as

> Evaluate the following capital investments according to net present value. Each alternative requires an initial investment of $20,000. Assume a 10% cost of capital. Which is the preferred investment?

> What are the assumptions of break-even analysis?

> Kurt Hozak, VP of Operations at McClain Manufacturing, has to make a decision between two investment alternatives. Investment A has an initial cost of $61,000, and investment B has an initial cost of $74,000. The useful life of investment A is 6 years; t

> A plant has an effective capacity of 900 units per day and produces 800 units per day with its product mix; what is its efficiency?