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Operations Management Sustainability And Supply Chain Management Global Edition 12th Edition Jay Heizer, Barry Render, Chuck Munson - Solutions
A project has the following activities, precedence relationships, and activity duration. Draw the AOA project network.How long would it take to complete this project? What is the length of the critical path? ACTIVITY IMMEDIATE PREDECESSOR (S) DURATION (WEEKS) A None 18 B A 8 C B 6 D A 9 E C,D 5 F
Table below shows the activities, immediate predecessors and activity durations of a project. Draw the AON project network. How long would it take to complete this project? What is the length of the critical path? ACTIVITY IMMEDIATE PREDECESSOR (S) A B C AA DURATION (DAYS) 2 4 4 D B 6 EF D 9 F C 8
Using the project information listed in the table below:a) draw the AON networkfor the construction activity.b) draw the AOA for the construction activity. ACTIVITY IMMEDIATE PREDECESSOR (S) DURATION (DAYS) A B C D A E B F B 422234 G C 2 H D, E 5 I F, G 3
relates to Project Scheduling CODE ACTIVITY IMMEDIATE PREDECESSOR (S) DURATION (DAYS) A Buy the land None B Get the construction A 40 30 permission CDEFGH Excavate B 10 Erect building C 100 Electrical work D 10 Plumbing work D 20 Paint interior Clean up building Move in furniture D 10 E, F, G 5 H 5
You are the project manager for a project in which you are going to organize a conference. Develop a work breakdown structure (WBS) in the form of a hierarchical framework, similar to that of Figure 3.3, based on the partial list shown in the table with all major deliverables, component
The work breakdown structure (WBS) for building a house (levels 1 and 2) is shown below:a) Add two level-3 activities to each of the level-2 activities to provide more detail to the WBS.b) Select one of your level-3 activities and add two level-4 activities below it Level 1 House Level 2 Site
What is the difference between the waterfall approach and agile project management?
Compare and contrast the Project Evaluation and Review Technique (PERT) with the Critical Path Method(CPM).
How can we determine the probability that a project will be completed by a certain date? What assumptions are made in this computation?
Describe the meaning of slack, and discuss how it can be determined.
How is the variance of the total project computed in PERT?
Would a project manager ever consider crashing a noncritical activity in a project network? Explain convincingly.
What are the three time estimates used with PERT?
What are dummy activities? Why are they used in activity-onarrow (AOA) project networks?
Students are sometimes confused by the concept of critical path, and want to believe that it is the shortest path through a network. Convincingly explain why this is not so.
Define earliest start, earliest finish, latest finish , and latest start times.
Describe how expected activity times and variances can be computed in a PERT network.
While numerous trade-offs may be required during the life cycle of a project, the trade-offs between cost, time and performance are considered essential. Please discuss.
What are the ethical dilemmas that project managers faced with when dealing with projects?
What is the difference between an activity-on-arrow (AOA)network and an activity-on-node (AON) network? Which is primarily used in this chapter?
What is the use of Gantt charts in project management?
What is a project and why is it important is to understand the project environment?
What are some of the questions that can be answered with PERT and CPM?
What are the three phases involved in the management of a large project?
Explain the purpose of project organization.
Give an example of a situation in which project management is needed.
If the project is to be finished in a shorter amount of time, what is the best way to accomplish this goal at the least cost?
Are there enough resources available to finish the project on time?
On any given date, is the money spent equal to, less than, or greater than the budgeted amount?
At any particular date, is the project on schedule, behind schedule, or ahead of schedule?
What is the probability that the project will be completed by a specific date?
Which are the noncritical activities—the ones that can run late without delaying the whole project’s completion?
What are the critical activities or tasks in the project—that is, which activities will delay the entire project if they are late?
When will the entire project be completed?
Companies that move material, people, or ideas across national boundaries, exploit economies of scale and learning as well as pressure for responsiveness pursue:a) An international strategyb) A multidomestic strategyc) A global strategyd) A transnational strategy
Outsourcing can improve a firm’s effectiveness when:a) An operation can be performed better and/or more cheaply by an outsiderb) It allows concentration on core activitiesc) It reduces the firm’s exposure riskd) It creates potential future competitione) All of the above
Core competencies are those strengths in a firm that include:a) specialized skills.b) unique production methods.c) proprietary information/knowledge.d) things a company does better than others.e) all of the above.
The three strategic approaches to competitive advantage are ____, ____, and _____.
A An ideal mission statement is sufficiently descriptive when:a) Identifies the firm’s products/servicesb) Identifies the markets it is trying to servec) Specifies the buyer requirements it pursues to satisfyd) Provides the firm’s own identitye) All of the above
When does the application of a multidomestic strategy seem most appropriate? What kind of industries can this be applied to?
Discuss the make-or-buy decision in terms of cost, flexible response, speed and quality.
Walker Accounting Software is marketed to small accounting firms throughout the U.S. and Canada. Owner George Walker has decided to outsource the company’s help desk and is considering three providers: Manila Call Center(Philippines), Delhi Services (India), and Moscow Bell (Russia).The following
Fernando Garza’s firm wishes to use factor rating to help select an outsourcing provider of logistics services.a) With weights from 1–5 (5 highest) and ratings 1–100 (100 highest), use the following table to help Garza make his decision:b) Garza decides to increase the weights for quality,
Ranga Ramasesh is the operations manager for a firm that is trying to decide which one of four countries it should research for possible outsourcing providers. The first step is to select a country based on cultural risk factors, which are critical to eventual business success with the provider.
Claudia Pragram Technologies, Inc., has narrowed its choice of outsourcing provider to two firms located in different countries. Pragram wants to decide which one of the two countries is the better choice, based on risk-avoidance criteria. She has polled her executives and established four
Identify how changes in the external environment affect the OM strategy for a company. For instance, discuss what impact the following external factors might have on OM strategy:a) Major increases in oil prices.b) Water- and air-quality legislation.
Identify how changes within an organization affect the OM strategy for a company. For instance, discuss what impact the following internal factors might have on OM strategy:a) Maturing of a product.b) Technology innovation in the manufacturing process.c) Changes in laptop computer design that
What are the implications for operations management with respect to the following organizational strategies:(a) low price, (b) good quality, (c) response, (d) innovation,€ variety, and (f) sustainability.
If a company’s products are commodities, e.g. grain, electricity, etc.; is it risky at staying commodities? Explain.
Based on the competitiveness ranking developed by the Global Competitiveness Index ( www.weforum.org ), rank the following countries from most competitive to least: Mexico, Switzerland, the U.S., and China.
Based on the corruption perception index developed by Transparency International ( www.transparency.org ), rank the following countries from most corrupt to least: Venezuela, Denmark, the U.S., Switzerland, and China
Match operational strategies with the proper companies or services that have successfully employed these strategies in the table below: OPERATIONS STRATEGY After sales service Customization Fast and reliable delivery High quality Innovation Location Low cost 3M COMPANY OR SERVICE Domino Pizza Easy
How would each of the 10 operations management decisions apply to operations decision making at Regal Marine?
How would you define Regal’s strategy?
Identify the strengths, weaknesses, opportunities, and threats that are relevant to the strategy of Regal Marine.
State Regal Marine’s mission in your own words.
Is it likely that Rapid-Lube has increased productivity over its more traditional competitors? Why? How would we measure productivity in this industry?
How does the Rapid-Lube operations strategy provide competitive advantage? ( Hint: Evaluate how Rapid-Lube’s traditional competitors perform the 10 decisions of operations management vs. how Rapid-Lube performs them.)
What constitutes the mission of Rapid-Lube?
What global operations strategy is most descriptive of McDonald’s?
What are some of the possible consequences of poor outsourcing?
How should a company select an outsourcing provider?
Explain citing appropriate examples how flexibility saves time, and stimulates response.
Can the operation function on its own provide competitive advantage?
How would you summarize outsourcing trends?
How must an operations strategy integrate with marketing and accounting?
Given the discussion of Southwest Airlines in the text, define an operations strategy for that firm now that it has purchased AirTran.
There are three primary ways to achieve competitive advantage. Provide an example, not included in the text, of each.Support your choices.
How does an OM strategy change during a product’s life cycle?
As a library or Internet assignment, identify the mission of a firm and the strategy that supports that mission.
Identify the mission and strategy of your automobile repair garage. What are the manifestations of the 10 strategic OM decisions at the garage? That is, how is each of the 10 decisions accomplished?
Describe how an organization’s mission and strategy have different purposes.
What is competitive advantage and what is the theory of comparative advantage
Identify and explain the four strategies that operations managers of international and multinational firms use to approach global opportunities.
Coca-Cola is called a global product. Does this mean that Coca-Cola is formulated in the same way throughout the world? Discuss.
List six reasons to internationalize operations.
Based on the descriptions and analyses in this chapter, would Boeing be better described as a global firm or a transnational firm? Discuss.
Which of the following events are considered significant in the evolution of operations management:a) cost focusb) quality focusc) customization focusd) globalization focuse) all of the above
Multifactor productivity:a) remains constant.b) is never constant.c) usually uses substitutes as common variables for the factors of production.d) seldom uses labor as a factor.e) always uses management as a factor.
Stakeholders are those with a vested interest in an organization, including:a) customers,b) suppliers,c) owners,d) employees,e) all of the above.
Productivity:a) can use many factors as the numerator.b) is the same thing as production.c) increases at about 0.5% per year.d) is dependent upon labor, management, and capital.e) is the same thing as effectiveness.
Services often:a) are tangible.b) are standardized.c) are knowledge based.d) are low in customer interaction.e) have consistent product definition.
The current challenges in operations management are:a) Globalizationb) Supply-chain partneringc) Sustainabilityd) Lean operationse) All of the above
How are the 10 OM strategy decisions different when applied to the operations manager of a service operation such as Hard Rock versus an automobile company such as Ford Motor Company?
How would you determine the productivity of the kitchen staff and waitstaff at Hard Rock?
From your knowledge of restaurants, from the video, from the Global Company Profile that opens this chapter, and from the case itself, identify how each of the 10 OM strategy decisions is applied at Hard Rock Cafe.
How are the 10 decisions of OM different when applied by the operations manager of a production process such as Frito-Lay versus a service organization such as Hard Rock Cafe (see the Hard Rock Cafe video case below)?
How would you determine the productivity of the production process at Frito-Lay?
From your knowledge of production processes and from the case and the video, identify how each of the 10 decisions of OM is applied at Frito-Lay.
In what other areas/industries might the Uber model be used?
Do you think the Uber model will work in the trucking industry?
The market has decided that Uber and its immediate competitors are adding efficiency to our society. How is Uber providing that added efficiency?
As part of a study for the Department of Labor Statistics, you are assigned the task of evaluating the improvement in productivity of small businesses. Data for one of the small businesses you are to evaluate are shown at right. The data are the monthly average of last year and the monthly average
An air-conditioner factory makes three different types of air-conditioners: the ceiling type, the cassette type and the wall-mounted type. Weekly sales of each type are 2, 4 and 6 pieces, at a price of € 350, € 450, and € 500 each, respectively.The ceiling type can be assembled in 1.5 hours,
A furniture manufacturing company working on a 40 hour per week basis makes 100 chairs. The sales price is €70 each, and the company has the following costs:◆ Direct materials €700◆ Direct labor €300◆ Overhead €500a) Calculate the productivity of the company.b) What will be the new
A production operation is making 150 pieces of a product by engaging 5 workers for 300 hours. However, 40 percent of the products appear to have various quality problems and the company decides to sell them as seconds at a price of €50 each when the normal product is sold €150 each. What is the
Mr Store who runs his photocopy business working 8 hours per day process 100 scripts. He estimates his labour cost to be € 9 per hour. Also he has estimated that the total material cost for each script is approximately € 2; while the daily expenses are€28. Calculate the multifactor
The State department of motor vehicle, attempts to perform an analysis of the driver’s licence renewal operations. In the past each renewal process followed six steps to be performed and took one hour to finish. Calculate the daily productivity, assuming that the working time is eight hours per
Lake Charles Seafood makes 500 wooden packing boxes for fresh seafood per day, working in two 10-hour shifts.Due to increased demand, plant managers have decided to operate three 8-hour shifts instead. The plant is now able to produce 650 boxes per day.
Munson Performance Auto, Inc., modifies 375 autos per year. The manager, Adam Munson, is interested in obtaining a measure of overall performance. He has asked you to provide him with a multifactor measure of last year’s performance as a benchmark for future comparison. You have assembled the
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