OPS 571 Final Exam Guide

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OPS 571 Final Exam Guide New 2020 (Score 30/30) NEW 

1. Identify a disadvantage of implementing group technology in a firm.
The number of employees required for a process increases exponentially.
The workers must be flexible enough to run several machines and processes.
It increases inventory.
The waiting time between operations is increased.

2. 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.
Lot sizing model
Fixed—time period model
Fixed—order quantity model p.
Single-period model

3 Define synchronous manufacturing as stated by Goldratt’s theory.
It is a production process organized to achieve the goals of the firm.
It is an integrated set of activities designed to achieve high quality and high levels of production with minimal inventories of raw materials.
It is a production process in which machines are the critical resource used for scheduling.
It is the optimization of the rate at which cash is generated by production through sales.

4. involves testing random samples of the end product from a process to determine if the process is churning out items within the predetermined range.
Organizational leaming
Statistical process control
Cyclical strategic scheduling
Event simulation

5. 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.
Lead time
Service rate

6. 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
backward scheduling
forward scheduling
machine-limited process
labor-limited process

7 Define lead time.
It is the time required to achieve high customer service with minimum levels of inventory investment.
It is the time required to produce a variety of products typically at lower volume levels.
It is the time required to attend to a customer order.
It is the time required to position inventory in the supply chain.

8. 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.
The Shingo system
Kanban system
Lean production
Process mapping

9. Define preventive maintenance.
It is the grouping of similar parts and processes into a specialized workcell.
It is the improvement that stems from both a person’s experience and the changes in equipment. product design. and administration.
It is the periodic inspection and repair of equipment to avoid breakdowns.
It is the emphasis of getting a product or a process right the first time.

10. shows the relationship between the total number of units produced and the unit production tim
A Poisson distribution
A learning curve
Cycle time
Service rate

11 Identify a true statement about services.
A service is a tangible process.
A service is inherently heterogeneous
A service has physical dimensions.
A service has very limited or no customer interaction.

12. 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
project layout
functional layout
manufacturing cell

13. 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
Pareto analysis
gap analysis
Gantt chart
bar chart

14. is the design operation and improvement of the processes that create and deliver a company’s essential products and services.
Inventory control
Operations and supply chain management
Product routing
Aggregate sales and operations planning

15. determines the amount of inventory, which includes parts. components. and materials. necessary to produce a product
Break-even analysis
Dynamic programming
Material requirements planning
GAP analysis

16. Define customer order decoupling point.
It involves the analysis of current business data to better solve business problems using mathematical calculations.
It is the time required to attend a customer order.
It is the positioning of inventory in a supply chain.
It illustrates the method by which a company’s strategy is delivered through a set of supporting activities.

17. Define waste reduction.
It is the process of combining the concept of cross-docking and consolidation.
It is the elimination of non—value-adding activities and the optimization of value-adding activities that are part of a process.
It is the optimization of the rate at which cash is generated by production through sales.
It is the integration of activities to increase the customer value of a process.

18. Identify the true statements about the learning curve theory.
It assumes that the unit time for a task will decrease at a decreasing rate.
A drawback of the learning curve theory is that the performance can be measured only in terms of time per unit.
In a learning curve. the time for task completion will increase each time the task is undertaken.
In a learning curve the reduction in time will be unpredictable.

19. is the characteristics of a product in terms of quality that are sorted as either conforming or nonconforming to specification.
The capability index
A throughput rate
A learning curve
An attribute

20. Identify a true statement about an operations consulting process.
Its results are immediately measurable.
It leads to changes in attitudes and culture of an organization.
Unlike general management consulting. operations consulting does not require extensive interviewing of employees.
It takes a longer time than general management consulting to yield results that can be measured.

21. Identify a true statement about water transportation mode.
It is a highly specialized mode of transport limited to the delivery of gases-
Moving high volumes of products is costly.
It can handle a high capacity of materials.
Fast transit times can be achieved in this mode of transportation.

22. 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.
fixed-order quantity
fixed-time period

23. According to Goldratt’s definition, is the rate at which cash is generated by production through sales.
cash flow

24. Identify an advantage of pure projects.
Team pride, motivation, and commitment are high.
Team members have authority over the project.
Organizational goals and policies are upheld.
Duplication of resources is eliminated

25. are used for decisions that are related to aggregate and strategy demand-
Process assessments
Periodic review systems
Strategic forecasts

26. Identify a disadvantage of pure projects.
Equipment and people are not shared across projects.
A lot of time is consumed while making decisions.
Lines of communication are lengthened.
The project manager has no authority over the project.

27. is responsible for scheduling, dispatching, monitoring, and regulating production on the shop floor.
Manufacturing execution system
ABC classification
Enterprise resource planning

28. is the average time required to finish a cycle of an operation.
Cycle time
Lead time
Queue time
Changeover time

29. 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
functional layout
manufacturing cell
project layout

30. The main objective of the aggregate operations plan is to:
achieve better integration between suppliers and manufacturers.
minimize the cost of resources necessary to meet demand.
determine future demand with the help of past data.
keep demand and supply in balance.

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