OPS 571 Final Exam 2017
1
__________ is the characteristics of a product in terms of quality that are sorted as either conforming or nonconforming to specification.
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The capability index
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A learning curve
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An attribute
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A throughput rate
2
__________ Utilization is the ratio between the actual amount of time a resource is activated for and the total amount of time the resource is available for use.
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Service rate
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Lead time
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Pacing
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Utilization
3
Define lead time.
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It is the time required to attend to a customer order.
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It is the time required to achieve high customer service with minimum levels of inventory investment.
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It is the time required to produce a variety of products typically at lower volume levels.
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It is the time required to position inventory in the supply chain.
question4
A pharmaceutical company keeps detailed documentation of its inventory. The company replenishes its inventory whenever the inventory level falls below a certain limit and there is a threat of a stockout. This company is most likely using a __________ model.
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fixed–time period
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single-period
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fixed–order quantity
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regression
question5
__________ involves testing random samples of the end product from a process to determine if the process is churning out items within the predetermined range.
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Event simulation
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Cyclical strategic scheduling
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Organizational learning
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Statistical process control
question6
A manufacturing firm efficiently assembles an airplane by bringing all the necessary raw materials, parts, and equipment to a central location. This scenario illustrates a __________.
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workcenter
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manufacturing cell
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project layout
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functional layout
question7
Identify the true statements about the learning curve theory.
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It assumes that the unit time for a task will decrease at a decreasing rate.
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In a learning curve, the reduction in time will be unpredictable.
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In a learning curve, the time for task completion will increase each time the task is undertaken.
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A drawback of the learning curve theory is that the performance can be measured only in terms of time per unit.
question8
__________ are used for decisions that are related to aggregate and strategy demand.
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Process assessments
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Periodic review systems
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Strategic forecasts
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P-models
question9
Identify a true statement about an operations consulting process.
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It takes a longer time than general management consulting to yield results that can be measured.
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Its results are immediately measurable.
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Unlike general management consulting, operations consulting does not require extensive interviewing of employees.
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It leads to changes in attitudes and culture of an organization.
question10
A shopkeeper purchases raw materials to manufacture souvenirs for a local event that happens once every five years. In this case, identify the model that the shopkeeper is most likely to use to maintain stock.
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Single-period model
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Fixed–time period model
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Lot sizing model
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Fixed–order quantity model
question11
__________ refers to the integrated activities designed to achieve high quality and high levels of production with minimal inventories of raw materials and to eliminate wastes.
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Process mapping
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Kanban system
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Lean production
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The Shingo system
question12
Define waste reduction.
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It is the elimination of non–value-adding activities and the optimization of value-adding activities that are part of a process.
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It is the process of combining the concept of cross-docking and consolidation.
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It is the optimization of the rate at which cash is generated by production through sales.
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It is the integration of activities to increase the customer value of a process.
question13
Define customer order decoupling point.
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It illustrates the method by which a company’s strategy is delivered through a set of supporting activities.
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It is the time required to attend a customer order.
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It involves the analysis of current business data to better solve business problems using mathematical calculations.
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It is the positioning of inventory in a supply chain.
question14
__________ determines the amount of inventory, which includes parts, components, and materials, necessary to produce a product.
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GAP analysis
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Dynamic programming
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Break-even analysis
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Material requirements planning
question15
__________ is responsible for scheduling, dispatching, monitoring, and regulating production on the shop floor.
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Manufacturing execution system
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ABC classification
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Enterprise resource planning
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P-model
question16
Identify an advantage of pure projects.
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Team members have authority over the project.
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Duplication of resources is eliminated.
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Team pride, motivation, and commitment are high.
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Organizational goals and policies are upheld.
question17
__________ is the average time required to finish a cycle of an operation.
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Cycle time
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Changeover time
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Queue time
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Lead time
question18
__________ is the design, operation, and improvement of the processes that create and deliver a company’s essential products and services.
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Product routing
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Aggregate sales and operations planning
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Inventory control
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Operations and supply chain management
question19
Identify a disadvantage of implementing group technology in a firm.
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It increases inventory.
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The waiting time between operations is increased.
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The number of employees required for a process increases exponentially.
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The workers must be flexible enough to run several machines and processes.
question20
In a __________, the product remains in a specific location and the equipment, labor, and material required for the product are gathered to the specific location.
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project layout
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workcenter
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functional layout
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manufacturing cell
question21
Define preventive maintenance.
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It is the periodic inspection and repair of equipment to avoid breakdowns.
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It is the improvement that stems from both a person’s experience and the changes in equipment, product design, and administration.
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It is the emphasis of getting a product or a process right the first time.
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It is the grouping of similar parts and processes into a specialized workcell.
question22
Identify a true statement about water transportation mode.
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Fast transit times can be achieved in this mode of transportation.
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Moving high volumes of products is costly.
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It can handle a high capacity of materials.
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It is a highly specialized mode of transport limited to the delivery of gases.
question23
Identify a disadvantage of pure projects.
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Equipment and people are not shared across projects.
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A lot of time is consumed while making decisions.
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Lines of communication are lengthened.
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The project manager has no authority over the project.
question24
__________ shows the relationship between the total number of units produced and the unit production tim
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A Poisson distribution
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A learning curve
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Cycle time
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Service rate
question25
The main objective of the aggregate operations plan is to:
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keep demand and supply in balance.
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determine future demand with the help of past data.
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achieve better integration between suppliers and manufacturers.
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minimize the cost of resources necessary to meet demand.
question26
Define synchronous manufacturing as stated by Goldratt’s theory.
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It is the optimization of the rate at which cash is generated by production through sales.
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It is a production process in which machines are the critical resource used for scheduling.
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It is a production process organized to achieve the goals of the firm.
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It is an integrated set of activities designed to achieve high quality and high levels of production with minimal inventories of raw materials.
question27
Identify a true statement about services.
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A service has physical dimensions.
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A service has very limited or no customer interaction.
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A service is inherently heterogeneous
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A service is a tangible process.
question28
According to Goldratt’s definition, __________ is the rate at which cash is generated by production through sales.
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cash flow
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productivity
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expediting
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throughput
question29
Rachel performs an analysis in which she analyzes the performance of the clients of her organization relative to the expectations of the client’s customers. In this scenario, Rachel is most likely using a __________.
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Gantt chart
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bar chart
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gap analysis
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Pareto analysis
question30
The manager of a shop floor schedules production based on the equipment that are used in the process as a key resource. In this case, the manager is most likely using a __________.
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forward scheduling
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backward scheduling
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machine-limited process
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labor-limited process
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