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operations management
Questions and Answers of
Operations Management
A publishing company plans to replace its four proofreaders who look for errors in manuscripts with a new scanning machine and one proofreader in case the machine breaks down. Currently the
The following information compares the approximate productivity in hours-per-vehicle (HPV) for some automobile manufacturers and their profit-per-vehicle (PPV) (source: The Harbour Report 2005) –
Bongo’s Pizzas has a service guarantee that promises you will not pay for your pizza if it is delivered more than 30 minutes from the order being placed. An investigation shows that 10 per cent of
Explain how the four perspectives of operations strategy would apply to Ryanair.
One of the most famous examples of focus is that of the Shouldice Hospital in Canada. This hospital concentrates exclusively on treating hernias using its own 'Shouldice method'. This involves using
Visit the Kwik-Fit (described earlier in the chapter) website at www.kwik-fit.com. Examine the history of the company which is described there. Use this to think about how the company’s operations
Compare the operations strategies of Ryanair and Flextronics.
Search the internet site of Intel, the best-known microchip manufacturer, and identify what appear to be its main structural and infrastructural decisions in its operations strategy.
Revisit the example of how process mapping helped Intel to improve its expense claims process (Figure 4.16).(a) This example describes how Intel used a flow process chart. What was the nature of the
Compare the operations strategies of Ryanair and a full-service airline such as British Airways or KLM.
McDonald’s has come to epitomize the ‘fast-food’ industry. When the company started in the 1950s it was the first to establish itself in the market. Now there are hundreds of ‘fast-food’
What do you think are the qualifying and order-winning factors for (a) A top-of-the-range Ferrari, (b) A Renault Clio?
What do you think are the qualifying or order-winning factors for IKEA?
The Central Evaluation Unit (CEU) of the XIII Directorate evaluated applications from academics bidding for research grants available under the 'cooperation and foundations' scheme of the European
An insurance company has six centres that process claims from customers. Each of the centres has been asked to measure its productivity in terms of the number of claims processed per employee per
Read again the description of fast-food drive-through processes at the beginning of this chapter. (a) Draw a process map that reflects the types of process described. (b) What advantage do you think
Visit a drive-through quick-service restaurant and observe the operation for half an hour. You will probably need a stop watch to collect the relevant timing information. Consider the following
A laboratory process receives medical samples from hospitals in its area and then subjects them to a number of tests that take place in different parts of the laboratory. The average response time
Visit a branch of a retail bank and consider the following questions:(a) What categories of service does the bank seem to offer?(b) To what extent does the bank design separate processes for each of
The 'meter installation' unit of a water utility company installs water meters. When a customer requests an installation a supervisor visits the customer and transfers the results of the survey to
Choose a process with which you are familiar. For example, registration for a university course, joining a video rental shop service, enrolling at a sports club or gym, registering at a library,
The regional government office that deals with passport applications is designing a process that will check applications and issue the documents. The number of applications to be processed is 1600
Every operation has to choose between different processes for delivering its products and services. For example, a bank can offer its services through its branch network, using telephone-based call
For the passport office described above, the total work content of all the activities that make up the total task of checking, processing and issuing a passport is, on average, 30 minutes. How many
The same passport office has a 'clear desk' policy that means that all desks must be clear of work by the end of the day. How many applications should be loaded onto the process in the morning in
A repair service centre receives faulty or damaged computers sent in by customers, repairs them and despatches them back to the customer. Each computer is subject to the same set of tests and repair
Swell Productions is sponsoring an outdoor conclave for owners of collectible and classic Fords. The concession stand in the T-Bird area will sell clothing such as T-shirts and official Thunderbird
What improvement can you make in the process shown in Figure 2.17?Data from figure 2.17 Process: Changing engine oil Subject: Mechanic Beginning: Direct customer arrival Ending: Total charges,
Managers at the First Community Bank are attempting to shorten the time it takes customers with approved loan applications to get their paperwork processed. The flowchart for this process, consisting
Assume you had your hair styled in a hair salon after making an online booking. Calculate a combined score for the overall customer contact after considering each of the five dimensions of customer
Return to Problem 20. Using OM Explorer’s Learning Curves Solver, how long do you estimate the time required to install the fifth pool? What is your estimate of the total time for all five
Identify potential bottlenecks in the following activities:a. Driving to your universityb. Shopping in a supermarketc. Joyrides in an amusement parkd. Check-in process at an airporte. Sale offers in
A company is setting up an assembly line to produce 192 units per 8-hour shift. The following table identifies the work elements, times, and immediate predecessors:a. What is the desired cycle time
Using the same process as in question 1, identify the main reason for the bottleneck?Data from Question 1Identify potential bottlenecks in the following activities:a. Driving to your universityb.
Chicken Palace periodically offers carryout five-piece chicken dinners at special prices. Let Y be the number of dinners sold and X be the price. On the basis of the historical observations and
An e-commerce fashion retailer is measuring the productivity of its warehouse employees. Productivity is measured by counting the number of orders picked by employees every hour. Management has
The monthly demand for units manufactured by the Acme Rocket Company has been as follows:a. Use the exponential smoothing method to forecast the number of units for June to January. The initial
Management of Erudition, an online learning platform, is keen to motivate students to work hard. In order to quantify the degree of effort put in by each learner, the company has decided to collect
A regional distributor purchases discontinued appliances from various suppliers and then sells them on demand to retailers in the region. The distributor operates 5 days per week, 52 weeks per year.
Nelson's Hardware Store stocks a 19.2-volt cordless drill that is a popular seller. Annual demand is 5,000 units, the ordering cost is $15, and the inventory holding cost is $4/unit/year.a. What is
Car manufacturers such as BMW and Toyota are also known as original equipment manufacturers (OEMs). They perform the final assembly and installation of components delivered by suppliers. For ease of
Booker's Book Bindery divides SKUs into three classes according to their dollar usage. Calculate the usage values of the following SKUs and determine which is most likely to be classified as class A.
The Northville Post Office experiences a seasonal pattern of daily mail volume every week. The following data for two representative weeks are expressed in thousands of pieces of mail:a. Calculate a
The order policy is to produce end item A in lots of 50 units. Using the data shown in Figure 11.24 and the FOQ lot-sizing rule, complete the projected on-hand inventory and MPS quantity rows. Then,
Suppose that a periodic review (P) system is used at the distributor in Solved Problem 4, but otherwise the data are the same.a. Calculate the P (in workdays, rounded to the nearest day) that gives
The MPS start quantities for product A calls for the assembly department to begin final assembly according to the following schedule: 100 units in week 2; 200 units in week 4; 120 units in week 6;
Assume you had your hair styled in a hair salon after making an online booking. Calculate a combined score for the overall customer contact after considering each of the five dimensions of customer
The Arid Company makes canoe paddles to serve distribution centers in Worchester, Rochester, and Dorchester from existing plants in Battle Creek and Cherry Creek.Arid is considering locating a plant
London, New York, Tokyo, Singapore, and Shanghai are some of the world's largest cities. Discuss from a logistical perspective the reason behind the success of these cities?
The operations manager for Mile-High Lemonade narrowed the search for a new facility location to seven communities. Annual fixed costs (land, property taxes, insurance, equipment, and buildings) and
The following coordinates are the locations of different warehouse facilities of an e-commerce retailer: (15,15), (40,5), and (40,50). The coordinates are in kilometers.a. Calculate the Euclidean
Select two organizations, one in services and one in manufacturing. What are the key factors that each organization would consider in locating a new facility? What data would you want to collect
The new Health-Watch facility is targeted to serve seven census tracts in Erie, Pennsylvania, whose latitudes and longitudes are shown in Table 13.1, along with the population in each census tract
Active Model 13.1 is available online. It allows you to find the location that minimizes the total load-distance score.QUESTIONS1. What is the total load-distance score to the new Health Watch
Canon, a Japanese manufacturer of photographic equipment, decided against offshoring and kept its manufacturing and new product development processes in Japan, which has relatively high labor costs.
Grey Wolf Lodge is a popular 500-room hotel in the North Woods. Managers need to keep close tabs on all room service items, including a special pine-scented bar soap. The daily demand for the soap is
Return to Problem 20. Using OM Explorer's Learning Curves Solver, how long do you estimate the time required to install the fifth pool? What is your estimate of the total time for all five pools?Data
The Bull Grin Company produces a feed supplement for animal foods produced by a number of other companies. Producing 1,000 pounds of supplement costs $810 on regular time and $900 on overtime. These
A problem often of concern to managers in processing industries is blending. The Nutmeg Corporation, from Problem 15, is considering a new product it intends to sell to active and health-concerned
The Nutmeg Corporation produces three different products, each in a 1-pound can: Almond-Lovers Mix, Walnut-Lovers Mix, and the Thrifty Mix. Three types of nuts are used in Nutmeg's products:almonds,
The Arctic Air Company produces residential air conditioners. The manufacturing manager wants to develop a sales and operations plan for the next year based on the following demand and capacity data
O'Connel Airlines is considering air service from its hub of operations in Cicely, Alaska, to Rome, Wisconsin, and Seattle, Washington. O'Connel has one gate at the Cicely Airport, which operates 12
The Lake Sharkey BBQ Pit serves slow cooked beef brisket by the pound. Based on historical sales during the Labor Day weekend, management has forecasted brisket sales in pounds as shown in the
Bold Vision, Inc. (from Problem 1), must purchase toner from a local supplier. The company does not wish to carry raw material inventory and therefore purchases only enough toner to satisfy the
A photographer takes passport pictures at an average rate of 20 pictures per hour. The photographer must wait until the customer smiles, so the time to take a picture is exponentially distributed.
One-Eyed Toad Pottery makes custom planters for upscale clients. The average demand for planters is 20 per week. One-Eyed Toad's production facility has the capacity to make 25 planters per week.
A hospital buys disposable surgical packages from Pfisher, Inc. Pfisher's price schedule is $50.25 per package on orders of 1 to 199 packages and $49.00 per package on orders of 200 or more packages.
Peachy Keen, Inc., makes mohair sweaters, blouses with Peter Pan collars, pedal pushers, poodle skirts, and other popular clothing styles of the 1950s. The average demand for mohair sweaters is 100
Two nurses at Northwood Hospital's Cardiac Care Unit are assigned to care for eight patients. Nurses are responsible for administering medication, taking vital signs, and responding to frequent calls
An electronics manufacturer must expand by building a second facility. The search is narrowed to four locations, all of which are acceptable to management in terms of dominant factors. Assessment of
A milk processing factory is investigating which locations would best position its new plant relative to three important retail customers (located in cities A, B, and C). As shown in the table, all
What improvement can you make in the process shown in Figure 2.17? Process: Changing engine oil Subject: Mechanic Beginning: Ending: Direct customer arrival Total charges, receive payment Insert
If Lee wants to be 95% confident that your estimate is within an absolute error range of plus or minus 2 percent, how many observations should you make?
Analyze the process as if it were an assembly line. Calculate the efficiency of the line. Calculate the balance delay.
Calculate the load-distance score of the preliminary layout.
Calculate the amount of capacity available to register regular guests and to register VIP guests. The capacity available for registering regular guests is 4320 minutes (12 staff * 6 hours * 60
Given your forecast, what additional information would you need to make a recommendation as to how many and which specific ships CII should deploy to each region for next season.
In terms of classification of services, explain where VMH could be placed.
What do you do? (Select one of the four options below and explain your answer.)1. Ignore the new analytics forecast and use a conservative approach to reduce inventory.2. Try and understand the
Below you see the bill of materials and on the back of this sheet are the MRP plans for items A, D, B, and C. Please answer the following questions:1. Each unit of A requires how many units of B?2.
Rapid Grower, the supplier of plant food for Greens in Problem 12, has offered the following quantity discounts. If the nursery places orders of 60 bags or less, the cost per bag is $25. For orders
A builder specializes in moving homes from one site to another in the Midwest after the land that the home currently resides on was sold to an airport. The builder has asked for your help in
Identify the type of organization CII is and its chief characteristics. Where would CII map in a construct such as Figure 1.3?
Identify the type of organization VMH is and its chief characteristics. Where would VMH map in a construct such as Figure 1.3?
Describe the project that is known as China’s Belt and Road Initiative.
Which distribution is utilized to predict the probability of completing a project on time?a) Uniformb) Exponentialc) Normald) Beta
What does the organization do, in a broad sense? Visualizing the cruise company as a transformation process, draw a simple diagram (like Figure 1.2) showing the inputs, resources, and outputs.
What does this organization do, in a broad sense? Visualizing the hospital as a transformation process, draw a simple diagram (like Figure 1.2) showing the inputs, resources, and outputs. Explain how
Describe the financial situation with respect to this initiative and how the initiators have been working with banks.
Which distribution is used for creating probabilistic task time estimates?a) Uniformb) Exponentialc) Normald) Beta
Explain how the location of Cruise International might affect the company. What implications might result from the organization’s location? Identify CII’s customer base.
Where is Valley Memorial Hospital located? What implications might result from the organization’s location? Identify VMH’s customer base.
1. How should Foodie go about launching this product in the market?2. What steps will be involved in getting the product manufacturing up and running?3. Identify the uncertainties associated with the
What has been the performance of the projects of the Belt and Road Initiative thus far? To answer this question, review this
Which method for project management removes safety times from task estimates in the planning stage?a) Program evaluation and review technique (PERT)b) Critical path method (CPM)c) Gantt chartd)
Identify the different departments on a typical cruise ship. Identify the type of personnel needed in each department.
Identify all the different departments at VMH. With so many departments, how do you expect the VMH facility to be laid out?
What are the expected benefits of the Belt and Road Initiative?
Which method for project management method was created and utilized for the Polaris missile?a) Program evaluation and review technique (PERT)b) Critical path method (CPM)c) Gantt chartd) Critical
Explain CII’s Mission Statement (found on the Cruise International Home Page). How does it define its business? What core values are emphasized? How do these core values affect day-to-day
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