Questions and Answers of Operations Management 6th

A manager must decide which type of equipment to buy, Type A or Type B. Type A equipment costs $15,000 each, and Type B costs $11,000 each. The equipment can be operated 8 hours a day, 250 days a
Processes are commonly represented in either of two ways. One style uses blocks to represent operations. A similar style uses circles rather than blocks: Operation Operation Process can operate in
Explain the strategic importance of process selection and the influence it has on the organization and its supply chain.
Name the two main factors that influence process selection.
Compare the four basic processing types.
Explain the need for management of technology.
List some reasons for redesign of layouts.
Describe product layouts and their main advantages and disadvantages.
Describe process layouts and their main advantages and disadvantages.
Solve simple line-balancing problems.
Develop simple process layouts.
The tasks shown in the following precedence diagram are to be assigned to workstations with the intent of minimizing idle time. Management has designed an output rate of 275 units per day. Assume 440
Assign nine automobile service departments to bays in a 3 × 3 grid so that the closeness ratings in the following matrix are satisfied. (The unimportant and ordinary-importance ratings have been
Five departments are to be assigned to locations B through F in the grid. (For technical reasons, department 6 must be assigned to location A.) Transportation cost is $2 per foot. The objective is to
Explain the importance of work design.
Compare and contrast the two basic approaches to job design.
Discuss the advantages and disadvantages of specialization.
Describe behavioral approaches to job design.
Discuss the impact of working conditions on job design.
Compare the advantages and disadvantages of time-based and output-based pay systems.
Explain the purpose of methods analysis and describe how methods studies are performed.
Describe four commonly used techniques for motion study.
Define a standard time.
Describe and compare time study methods and perform calculations.
Describe work sampling and perform calculations.
Compare stopwatch time study and work sampling.
A time study analyst timed an assembly operation for 30 cycles, and then computed the average time per cycle, which was 18.75 minutes. The analyst assigned a performance rating of .96, and decided
A time study analyst wants to estimate the number of observations that will be needed to achieve a specified maximum error, with a confidence of 95.5 percent. A preliminary study yielded a mean of
Work sampling. An analyst has been asked to prepare an estimate of the proportion of time that a turret lathe operator spends adjusting the machine, with a 90 percent confidence level. Based on
Compute the standard deviation of this data: 3 2 4 1 Step 1: Find the mean of the data.Step 2: Subtract the mean from each data point. These differences should sum to 0.Step 3: Square each difference
Identify some of the main reasons organizations need to make location decisions.
Explain why location decisions are important.
Discuss the options available for location decisions.
Discuss key considerations related to global location decisions.
Outline the decision process for making location decisions.
Describe some of the key factors that guide service and retail location decisions.
Use the techniques presented to evaluate location alternatives.
A farm implements dealer is seeking a fourth warehouse location to complement three existing warehouses. There are three potential locations: Charlotte, NC; Atlanta, GA; and Columbia, SC. Charlotte
A manufacturer of staplers is about to lose its lease, so it must move to another location. Two sites are currently under consideration. Fixed costs would be $8,000 per month at site A and $9,400 per
Determine which location has the higher factor rating given the following information. Factor Labor cost Material cost Transportation costs Weight 5 3 2 Location Scores A 20 10 50 B 40 30 10
Determine the center of gravity location for these destinations: Destination D1 D2 D3 D4 x, y Coordinates 3,5 6,8 2,7 4,5 Weekly Quantity 20 10 15 15 60
Discuss the philosophies of quality gurus.
Define the term quality as it relates to products and as it relates to services.
Identify the determinants of quality.
Explain why quality is important and the consequences of poor quality.
Describe and give examples of the costs associated with quality.
Discuss the importance of ethics in managing quality.
Compare the quality awards.
Discuss quality certification and its importance.
Describe TQM.
Give an overview of problem solving.
Give an overview of process improvement.
Describe the Six Sigma methodology.
Describe and use various quality tools.
The county sheriff’s department handed out the following tickets on a summer weekend. Make a check sheet and a Pareto diagram for the types of infractions. Ticket Number 1 2 3 4 5 6 7 8 9 10 11 12
Explain the need for quality control.
Discuss the basic issues of inspection.
List and briefly explain the elements of the control process.
Explain how control charts are used to monitor a process and the concepts that underlie their use.
Use and interpret control charts.
Perform run tests to check for nonrandomness in process output.
Assess process capability
Process distribution and sampling distribution. An industrial process that makes 3-foot sections of plastic pipe produces pipe with an average inside diameter of 1 inch and a standard deviation of
Using the appropriate control chart, determine two-sigma control limits for each case:a. An inspector found an average of 3.9 scratches in the exterior paint of each of the automobiles being prepared
The number of defective items per sample for 11 samples is shown below. Determine if nonrandom patterns are present in the sequence. Number of defectives 1 2 22 17 SAMPLE 3 4 5 6 19 25 18 20 21 17 23
Process capability. Determine which of these three processes are capable: Process 1 2 3 Mean 7.5 4.6 6.0 Standard Deviation .10 .12 .14 Lower Spec 7.0 4.3 5.5 Upper Spec 8.0 4.9 6.7
Explain what aggregate planning is and how it is useful.
Identify the variables decision makers have to work with in aggregate planning.
Describe some of the strategies that can be used for meeting uneven demand.
Describe some of the graphical and quantitative techniques planners use.
Prepare aggregate plans and compute their costs.
Discuss aggregate planning in services.
Disaggregate an aggregate plan.
Describe the master scheduling process and explain its importance.
A manager is attempting to put together an aggregate plan for the coming nine months. She has obtained a forecast of expected demand for the planning horizon. The plan must deal with highly seasonal
Spring and Summer Fashions, a clothing producer, has generated a forecast for the next eight weeks.Demand is expected to be fairly steady, except for periods 3 and 4, which have higher demands.The
Prepare a schedule like that shown in Figure 11.12 for the following situation: The forecast for each period is 70 units. The starting inventory is zero. The MPS rule is to schedule production if the
Define the term inventory.
List the different types of inventory.
Describe the main functions of inventories.
Discuss the main requirements for effective management.
Explain periodic and perpetual review systems.
Describe the costs that are relevant for inventory management.
Describe the A-B-C approach and explain how it is useful.
Describe the basic EOQ model and its assumptions and solve typical problems.
Describe the economic production quantity model and solve typical problems.
Describe the quantity discount model and solve typical problems.
Describe reorder point models and solve typical problems.
Describe situations in which the fixed-order-interval model is appropriate, and solve typical problems.
Describe situations in which the single-period model is appropriate and solve typical problems.
ROP for variable demand rate and variable lead time. The motel replaces broken glasses at a rate of 25 per day. In the past, this quantity has tended to vary normally and have a standard deviation of
Explain the term value-added.
What ethical considerations are important in development of technology in general, as well as AI (artificial intelligence)?
Identify similarities and differences between production and service operations.
Explain the importance of learning about operations management.
Summarize the two major aspects of process management.
Explain the key aspects of operations management decision making.
Briefly describe the historical evolution of operations management.
Describe current issues in business that impact operations management.
Explain the importance of ethical decision making.

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