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Jack's Refrigeration Repair is under contract to repair,recondition,and/or refurbish commercial and industrial icemakers from restaurants,seafood processors,and similar organizations.Jack currently has five jobs to be scheduled,shown in the order in which they arrived. Jack's Refrigeration Repair is under contract to repair,recondition,and/or refurbish commercial and industrial icemakers from restaurants,seafood processors,and similar organizations.Jack currently has five jobs to be scheduled,shown in the order in which they arrived. a.Complete the following table.(Show your supporting calculations below). b.Which dispatching rule has the best score for flow time? c.Which dispatching rule has the best score for work-in-process (jobs in the system)? d.Which dispatching rule has the best score for lateness? e.What dispatching rule would you select? Support your decision. a.Complete the following table.(Show your supporting calculations below). b.Which dispatching rule has the best score for flow time? c.Which dispatching rule has the best score for work-in-process (jobs in the system)? d.Which dispatching rule has the best score for lateness? e.What dispatching rule would you select? Support your decision. Jack's Refrigeration Repair is under contract to repair,recondition,and/or refurbish commercial and industrial icemakers from restaurants,seafood processors,and similar organizations.Jack currently has five jobs to be scheduled,shown in the order in which they arrived. a.Complete the following table.(Show your supporting calculations below). b.Which dispatching rule has the best score for flow time? c.Which dispatching rule has the best score for work-in-process (jobs in the system)? d.Which dispatching rule has the best score for lateness? e.What dispatching rule would you select? Support your decision.

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(a)A summary of calculations appears in ...

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The ________ is a special class of linear programming models that involves assigning tasks or jobs to resources.

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What is the assignment method?

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The assignment method is a spe...

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Explain,in your own words,what is meant by "level material use." In what types of facilities is it appropriate? Explain.

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It means frequent,high quality,small lot...

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If an assignment problem consists of 6 workers and 7 projects


A) one worker will not get a project assignment.
B) one worker will be assigned two projects.
C) each worker will contribute work toward the seventh project.
D) one project will not get a worker assigned.
E) The problem cannot be solved by assignment method.

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Forward scheduling


A) begins with a delivery date,then offsets each operation one at a time,in reverse order.
B) is well suited where the supplier is usually able to meet precise delivery dates.
C) tends to minimize work-in-process inventory.
D) assumes that procurement of material and operations start as soon as requirements are known.
E) produces a schedule only if it meets the due date.

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Machines A,B,C,and D have been in use for several years,while machine E is new.The following table provides data on the value of production of each job when performed on a specific machine. a.Determine the set of assignments that maximizes production value. b.What is the total production value of your assignments? c.Which machine should be retired (i.e. ,gets no assignment)? d.If they do retire one machine,will they be as profitable without it as with it? Explain. Machines A,B,C,and D have been in use for several years,while machine E is new.The following table provides data on the value of production of each job when performed on a specific machine. a.Determine the set of assignments that maximizes production value. b.What is the total production value of your assignments? c.Which machine should be retired (i.e. ,gets no assignment)? d.If they do retire one machine,will they be as profitable without it as with it? Explain.

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NOTE: students need to create an opportu...

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Identify some scheduling optimization systems that are used at retail stores.Describe what these systems do.

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Workbrain,Cybershift,and Krono...

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Which of the following best describes the strategic importance of short-term scheduling?


A) Effective scheduling,through lower costs,faster delivery,and dependable delivery,can provide a competitive advantage.
B) Effective scheduling is a tactical tool for increasing demand to meet production.
C) Forward scheduling looks to future demand levels in order to increase customer satisfaction.
D) Aggregate planning is a tactical action,but short-term scheduling is strategic because of its immense impact on costs.
E) Short-term scheduling matches capacity to demand during the short term,three to eighteen months into the future.

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Some firms have developed arrangements to literally "swap" employees with each other during their respective peak demand times.

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Explain,in your own words,how backward scheduling and forward scheduling differ.

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Forward scheduling starts the ...

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________ determine the sequence of jobs in process-oriented facilities.

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Conventional MRP uses time buckets that do not recognize capacity limits,and in fact ignores capacity issues.A more realistic scheduling system that includes work centre capacities and other resource availabilities is


A) aggregate planning.
B) the master production schedule.
C) finite capacity scheduling.
D) the assignment method.
E) level material use.

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What is input-output control?

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Input-output control is a tech...

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Which of the following dispatching rules tends to minimize job flow time?


A) FCFS: first come,first served
B) SPT: shortest processing time
C) EDD: earliest due date
D) LPT: longest processing time
E) FCLS: first come,last served

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In manufacturing scheduling,physical inventories of goods can buffer variations in demand,but service scheduling normally lacks that buffer because services are generally consumed at the same time they are delivered.

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Which of the following dispatching rules is typically the best technique for taking first those jobs with the most urgent needs?


A) shortest processing time
B) critical ratio
C) earliest due date
D) longest processing time
E) none of the above

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Scheduling is rather straightforward in product-focused facilities because


A) kanban automates the scheduling of the assembly line.
B) demand is reasonably stable,and capacities,set-up times,and run times are generally known.
C) assembly line balancing assures the highest possible production efficiency.
D) finite capacity scheduling has made MRP much more realistic.
E) equipment utilization is low.

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The priority rule that appears fair to customers in service systems is ________.

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first come...

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A manufacturer has the following jobs waiting on a single work centre.The firm has not decided which dispatching rule to apply in order to prioritize the jobs and fix them into the schedule.Processing time in 15-minute time blocks and due date for each job are in the table below. A manufacturer has the following jobs waiting on a single work centre.The firm has not decided which dispatching rule to apply in order to prioritize the jobs and fix them into the schedule.Processing time in 15-minute time blocks and due date for each job are in the table below. a.Complete the following table.Show your supporting calculations below. b.Which dispatching rule has the best score for flow time? for work in process (jobs in the system)? for lateness? c.Is there ANY sequence that can avoid all lateness? Explain or provide an example. a.Complete the following table.Show your supporting calculations below. b.Which dispatching rule has the best score for flow time? for work in process (jobs in the system)? for lateness? c.Is there ANY sequence that can avoid all lateness? Explain or provide an example. A manufacturer has the following jobs waiting on a single work centre.The firm has not decided which dispatching rule to apply in order to prioritize the jobs and fix them into the schedule.Processing time in 15-minute time blocks and due date for each job are in the table below. a.Complete the following table.Show your supporting calculations below. b.Which dispatching rule has the best score for flow time? for work in process (jobs in the system)? for lateness? c.Is there ANY sequence that can avoid all lateness? Explain or provide an example.

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(a)The results appear in the table below...

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