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business
operations management

Questions and Answers of Operations Management

Describe the advantages and disadvantages of using CPFR. Do you think the advantages outweigh the disadvantages? What firms would get the greatest benefits from using CPFR?
What is a contingency plan used with forecasting and when would you want to formulate one? When would you use it?
Explain the difference between forecast bias and forecast error.
What is the difference between a linear trend forecast and a simple linear regression forecast?
What happens to the exponential smoothing forecast when α = 0? When α = 1? Would you ever want to use either of these forecasts? Explain.
Describe the role that random variations play in time series forecasting. Can you guard against random variations?
Given that your firm has several years of historical demand data, would there ever be a situation where you would still prefer to use a qualitative forecasting method? Why?
What sort of qualitative forecasting do you think the MGM Mirage probably did, prior to the start of their City Center project? Could they have done any quantitative forecasting prior to the project?
How can Caster Concepts offer customized casters at standard catalogue pricing?
Describe the level of automation in the Tesla Motors facility.
In the job shop video, what sort of company is profiled?
Discuss how a broken machine in one department can reduce an entire facility’s capacity.
Why should managers care about sustainable processes? Can it increase profits?
What are the things managers should assess to make their processes more sustainable? Is your college or university acting in a sustainable way?
Can an economy of scale situation turn into a diseconomy of scale? How could your university experience diseconomies of scale?
Calculate the expected completion times and completion time variances for each activity.
What are the expected days to completion?
Calculate the variance and standard deviation of the project’s completion time.
What is the probability that the project can be completed in 14 days?
What would be the desired completion days, if you needed a 98% confidence level? Which non-critical activities should be monitored closely? Why?
Calculate the crash costs per day. Normal Normal Crash Crash time cost ($) time cost ($) Activity 1000 A 2 1.5 250 200 2200 1.5 400 850 0.5 180 3000 800 1500 1.5 550 з 2500 2 250 Н 2700 0.5 900 2.
The Mejza Travel Agency was thinking of expanding to open offices in European countries and wanted to assess and rank various risks. The risks and their assessments (where 1=low concern and 10=high
Determine and ÏƒP . Ten customers per hour were asked by the cashier at the JCWizSushi Bar if they liked their meal, and the percent that said €œno€ are shown below,
Determine the 3-sigmaUCL and LCL. Plot the percent defectives for each sample. Does customer satisfaction appear to be in statistical control? How could they improve the analysis?
Determine the 3-sigma UCL and LCL. Plot the percent defectives for each sample. Does the online application process appear to be in statistical control? Why/why not?
Mary Jane’s Steakhouse tracks customer complaints every day and then follows up with their customers to resolve problems. For the past 30 days, they received a total of 22 various complaints from
Jallo Tooling Co. has an automated lathe and the owners want to determine the tool’s capability for machining a part’s diameter to a specification of 7.620 ± 0.002 centimeters. After a trial run
A machine shop produces parts for the automobile industry, and one part has a design specification of 4.000 inches in length with a tolerance of ± 0.003 inches. The machining center operator making
Tan Bearings Co. has been making a bearing with a diameter of 2.00 centimeters and a standard deviation of 0.01 centimeters. A new customer has a design requirement for a bearing with a diameter
Describe two of the ways that logistics impacts your life every day, as described in the video.
What is a negative trend picked up in 2011 by the Global Competitiveness Report video?
What country holds the record for the world’s fastest train, and how fast did it go?
How many Antonov 225’s are there, and what was its original purpose?
What is the largest containership, and how many containers can it hold?
What is the total capacity of the largest intermodal center in the U.S.?
Jack wants to go to college and has several places in mind. He has listed the important factors and their weights, then performed enough research to determine the relative scores for the institutions
The Ferris Company has three markets they wish to serve with a centrally located manufacturing site. They have placed approximations of each market on a grid system as shown below. All three markets
A parts supplier has three industrial customers located southern California. They wish to build a centralized distribution center to serve the three customers. The locations of the customers and
Michelle’s Fine Furniture desires to increase its warehouses from two to three in their market areas, and the manager wants to know the impact this will have on their system inventories. Their
Using the information in Problem 7, if Michelle’s instead preferred to go with one centrally located warehouse, how would this impact system inventories?
For the following warehouse system information, determine the average inventory levels required to maintain the same customer service levels. Current system: 6 warehouses with 5,000 units at each
Who are the highest quality customer service providers in the world?
What does Kristina Evey recommend for dealing with upset customers?
What is the example that Andrew Zezas talks about and how could this be applied to your place of business? Is it realistic?
Why does Jenny Baumgartner think happy workers are productive workers?
What does Marley Majcher say about firing customers?
Why is the Harley Owners Group good for customers as well as Harley Davidson?
What is a best-of-breed ERP system? Are there any problems with this type of system?
What are cloud-based ERP systems and why do firms use them?
Describe the historical developments leading up to today's ERP systems.
What does Six Sigma have to do with Lean? What is Lean Six Sigma?
What is ERP and how is it different from MRPII?
What is a rolling production schedule in the MPS?
How does the MRP II system perform capacity requirements planning?
What were the drivers behind the development of MRP II?
Why are the DRP planned shipping quantities so important?
What does the DRP do, and how does it fit in with the MRP?
What is the MRP part record rule?
What is a bill of materials (BOM) and why is it important to the MRP?
What is a frozen time period or time fence in the MPS?
Where do the production numbers in the MPS come from?
In just a few sentences, explain what the MRP is, and what it does.
Why is accurate inventory and lead time information so important to the MRP?
Why have ERP implementations often failed in the past?
Describe the three post-implementation phases for ERP system users.
What do logistics management systems consist of, and why are they considered so important to firms that use them?
What are RMS’s and how are they used?
What does enterprise application integration refer to, and how is this accomplished?
How is internal application integration accomplished?
How is external application integration typically accomplished?
What is business process management (BPM) and how is it accomplished?
Can BPM solutions be integrated with the ERP?
What are some of the trends today, in ERP system applications?
Describe the key information flows that might occur at Amazon.com.
Describe several ways that various functional groups or departments in a firm might use an MRP II system.
Provide an example of how MRP II can be used in a service, such as a school.
Would it be a good idea to combine a TMS with a WMS? Why?
Would it be a good idea to combine BPM solutions with an ERP system? Why?
What is information and why is it important, according to the video?
How can information mapping improve productivity?
How does technology information help with supply chain management?
What are some of the things that SAP’s MRP system can do?
What are the benefit of robots bringing products to the human packer?
How can an ERP system help your business?
What is SAP AG and what is the SAP Business Suite?
Why do some ERP projects fail?
What are some of the things a TMS does?
How can a BPM application help a company?
Explain the importance of project planning.
What is a work breakdown structure and what are its benefits?
What is a Gantt chart and what are its benefits?
What do both CPM and PERT try to do?
What is the critical path? Why is it so important for successful project management?
What are critical activities? What is slack time?
What is project crashing? Crash time? Crash cost? When would you need to do project crashing?
What is project risk, and what are the categories of project risk? Are these major considerations? If so, why?
What is risk mitigation? And how is this related to contingency planning?
Can non-critical activities become critical? If so, how?
Why is it important to determine early and late, start and finish schedules?
What are the benefits of using three time estimates for project activities? When would you want to do this?

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