OPS/571T OPERATIONS MANAGEMENT The Latest Version A+ Study Guide
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OPS 571T Entire Course Link https://uopcourse.com/category/ops-571/ **********************************************
OPS 571T Wk 1 – Practice: Week 1 Knowledge Check Which phase of the generic development process involves construction and evaluation of multiple preproduction versions of the product? Multiple Choice • Testing and refinement • Concept development • System-level design • Design detail • Production ramp-up
The Tuff Wheels was getting ready to start its development project for a new product to be added to their small motorized vehicle line for children. The new product is called the Kiddy Dozer. It will look like a miniature bulldozer, complete with caterpillar tracks and a blade. Tuff Wheels has forecasted the demand and the cost to develop and produce the new Kiddy Dozer. The table below contains the relevant information for this project.
Development cost $ 1,000,000 Estimated development time 9
months
Pilot testing $ 200,000 Ramp-up cost $ 400,000 Marketing and support cost $ 150,000 per year Sales and production volume 60,000 per year Unit production cost $ 100 Unit price $ 170 Interest rate 8 % ________________________________________ Tuff Wheels also has provided the project plan shown below. As can be seen in the project plan, the company thinks that the product life will be three years until a new product must be created. Assume all cash flows occur at the end of each period.
A process that emphasizes cross-functional integration and concurrent development of a product and its associated processes is known as ___________. (Choose the correct answer to fill in the blank.) Multiple Choice • cross-functional design • concurrent engineering • integrated process planning • integrated product planning • team planning
Similarity of projects allows for a streamlined and highly structured development process in which variant of the generic product development process? Multiple Choice • Technology-push products • Customized products • Complex systems • Quick-build products
• Process-intensive products
Concept development assumes a proven technology in which variant of the generic product development process? Multiple Choice • Technology-push products • Quick-build products • Complex systems • Platform products • Process-intensive products
A reason that firms must develop more new products than ever is which of the following? Multiple Choice • Product life cycles are shorter • Commitments to joint venture partners • They are replacing old customers with new ones • To amortize heavy investments in development labs • The increased difficulty of defending patents and trade names
Which of the following is primarily used to help design products that will connect product attributes with customer desires? Multiple Choice • Phase 0: Planning • House of quality matrix • Value analysis/value engineering • Concurrent engineering
• System-level design
Economic analysis of product development projects is useful in which of the following circumstances? Multiple Choice • Factory location • Distribution decisions • Go/no-go milestones • Demand estimation • Pricing
Advocates of financial modeling of product design projects argue that: Multiple Choice • Financial analysis focuses on measurable quantities only. • Financial analysis brings discipline and control to the product development process. • Sufficiently rigorous financial analysis can accurately forecast the product's profit potential. • Financial analysis is as solid as the assumptions that go into the model. • Financial analysis nurtures innovation and creativity.
Performance measures discussed for development projects does not include Multiple Choice • Frequency of new product introductions • Yield • Percentage sales coming from very old products • Cost of materials and tooling
• conformance - reliability in use
What is it about service processes that makes their design and operation so different from manufacturing processes? Multiple Choice • Lack of skilled personnel • Poor management • Complexity of the processes • Lack of automated equipment • Direct customer involvement in the process
System integration and validation are an important step in which variant of the generic product development process? Multiple Choice • Technology-push products • Customized products • Complex systems • Quick-build products • Process-intensive products
Which of the following is a characteristic of concurrent engineering? Multiple Choice • Integrated computer-assisted design • Using automated guided vehicles • Separate development teams working at once
• Having an excellent forecasting system • The design-build-test cycle
The aim of quality function deployment (QFD) is: Multiple Choice • To facilitate house of quality analysis • To provide value analysis/value engineering input • To integrate design for manufacturing and assembly (DFMA) • To facilitate better cooperation between business functions • To get the voice of the customer into the design of a product
Design for manufacturing and assembly delivers product improvements by emphasizing which of the following? Multiple Choice • Reducing product quality during the assembly process • Simplification of the product by reducing the number of separate parts • Reducing equipment in the production process • Designing products so they can be manufactured by a virtual factory • Designing products that customers will want
Sensitivity analysis of the base-case financial model is a useful tool for which of the following reasons? Multiple Choice • To determine how long the development process can profitably last • To understand how many technical people are needed to make the project a success •
To help understand the basic trade-offs of resources committed and cash received • To identify the necessary product launch date • To set marketing and sales budgets
The most basic categories of cash flow for a typical new product do not include: Multiple Choice • Depreciation • Ramp-up cost • Development cost • Sales revenue • Marketing cost
What dimension of competitiveness does quality in product design affect? Multiple Choice • Engineering hours per project • The cost of ongoing service • Responsiveness to customer needs • Aesthetics of design • None of these
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http://www.uopstudy.com/ OPS 571T Wk 1 – Apply: Week 1 Assignment Designing a new product for aesthetics and for the user is generally termed industrial design. True or False
In the generic product development process, collecting customer needs is accomplished during phase 0 (planning). True or False A key decision point in the generic development process during "Phase 4: Testing and Refinement" is concept approval. True or False DFMA stands for design for manufacturing and assembly. True or False The aim of quality function deployment (QFD) is: Multiple Choice • To facilitate house of quality analysis • To provide value analysis/value engineering input • To integrate design for manufacturing and assembly (DFMA) • To facilitate better cooperation between business functions • To get the voice of the customer into the design of a product
Quality function deployment (QFD): Multiple Choice • Is a manufacturing function aimed at lowering cost by reducing the portion of rejected units. • Fills the house of quality matrix with the designer's aspirations for the product. • Starts with studying and listening to customers. • Is a place where the quality assurance function is housed. • Is another term for value engineering.
Value analysis/value engineering has as its objective to increase product quality and reduce costs. True or False
One goal of having a core competency is to do something better than anyone else.
True or False The conclusion of the product development process is when the product is withdrawn from the market. True or False A key tool of a quality function deployment team is the house of quality matrix. True or False Which of the following is primarily used to help design products that will connect product attributes with customer desires? Multiple Choice • Phase 0: Planning • House of quality matrix • Value analysis/value engineering • Concurrent engineering • System-level design
Which of the following is a time-to-market performance measure used in judging product development performance? Multiple Choice • Frequency of new-product introductions • Product reliability • Customer loyalty • Yield • Value analysis
Performance measures discussed for development projects does not include Multiple Choice • Frequency of new product introductions •
Yield • Percentage sales coming from very old products • Cost of materials and tooling • conformance - reliability in use
A key decision point in the generic development process during "Phase 1: Concept Development" approval. True or False False
The "house of quality" matrix is a technique that relates customer requirements to concrete g or engineering goals. True or False True
mpetencies are those things that everyone in the firm must be able to do well. True or False False
The most basic categories of cash flow for a typical new product do not include: Multiple Choice • Depreciation • Ramp-up cost • Development cost • Sales revenue • Marketing cost The purpose of value analysis/value engineering (VA/VE) is to: Multiple Choice • Simplify products and processes •
Improve the value that customers find in existing products • Relate the customer's needs to technical specifications • Meet budgets and improve the results of financial models • Facilitate better cooperation between business functions
Quality function deployment involves listening to customers to determine the characteristics of a superior product. True or False
Which of the following is not an example of technology –push product? Multiple Choice • Gore-tex • Artificial vein • plant seeds • I-phone 7 • Go-pro Camera Early prototypes of a new product, using the same geometry and material processes as the production versions, are usually constructed during the concept development phase of the product development process. True or False
Which of the following is not a typical phases of product development? Multiple Choice • Concept development • Value engineering • System-level design • Testing and refinement •
Production/ramp-up
Which of the following is not a typical phases of product development? Multiple Choice • Concept development • Planning • System-level design • early market feedback • Production/ramp-up Concept development is one of the typical phases of product development. True or False
A competency is not core if it is easy for competitors to imitate. True or False
A reason that firms must develop more new products than ever is which of the following? Multiple Choice • Product life cycles are shorter • Commitments to joint venture partners • They are replacing old customers with new ones • To amortize heavy investments in development labs • The increased difficulty of defending patents and trade names Sensitivity analysis of the base-case financial model is a useful tool for which of the following reasons? Multiple Choice • To determine how long the development process can profitably last • To understand how many technical people are needed to make the project a success
• To help understand the basic trade-offs of resources committed and cash received • To identify the necessary product launch date • To set marketing and sales budgets
What dimension of competitiveness does quality in product design affect? Multiple Choice • Engineering hours per project • The cost of ongoing service • Responsiveness to customer needs • Aesthetics of design • None of these
Most purchasers of electronic products cannot fully operate them and use only a small number of the available features. True or False
The ecodesign approach focuses exclusively on the design and commercial launch phases of the product's life cycle. True or False Similarity of projects allows for a streamlined and highly structured development process in which variant of the generic product development process? Multiple Choice • Technology-push products • Customized products • Complex systems • Quick-build products • Process-intensive products
In a concurrent engineering approach to product design and development, an integration team ensures that various parts of the product are compatible with the needs of the target customer. True or False
Advocates of financial modeling of product design projects argue that: Multiple Choice • Financial analysis focuses on measurable quantities only. • Financial analysis brings discipline and control to the product development process. • Sufficiently rigorous financial analysis can accurately forecast the product's profit potential. • Financial analysis is as solid as the assumptions that go into the model. • Financial analysis nurtures innovation and creativity.
Which of the following is not a typical phases of product development? Multiple Choice • Concept development • Planning • System-level design • early market feedback • Production/ramp-up
Which of the following is a characteristic of concurrent engineering? Multiple Choice • Integrated computer-assisted design • Using automated guided vehicles
• Separate development teams working at once • Having an excellent forecasting system • The design-build-test cycle
Because ecodesigned products are innovative and have better environmental performance, they can be of a slightly lesser quality than the market standard. True or False
What dimension of competitiveness does time-to-market performance in product design and process selection affect? Multiple Choice • Engineering hours per project • The cost of ongoing service • Responsiveness to customer needs • Aesthetics of design • None of these System integration and validation are an important step in which variant of the generic product development process? Multiple Choice • Technology-push products • Customized products • Complex systems • Quick-build products • Process-intensive products
Consumer electronics is an example of a product developed in which variant of the generic product development process?
Multiple Choice • Technology-push products • Customized products • Platform products • Quick-build products • Process-intensive products
One of the major benefits of DFMA is that products are designed that customers will want. True or False
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http://www.uopstudy.com/ OPS 571TWk 2 – Practice: Week 2 Activities
A process is part of an organization that takes __________, turns them into __________, and adds __________ while doing so. (Choose the answer with the correct words to complete this statement.) • Designs, plans, details • Dollars, products, profit • People, employees, knowledge • Products, sales, features • Inputs, outputs, value
A firm has redesigned its production process so that it now takes 10 hours for a unit to be made. Using the old process, it took 15 hours to make a unit. If the process makes one unit each hour on average and each unit is worth $1,500.
What is the reduction in work-in-process value?
What is the name of the national quality award given by the government of the United States? Multiple Choice • American Quality Leader Award • President’s Quality Medal • Deming Quality Award • Congressional Medal of Quality • Malcolm Baldrige National Quality Award
What term means managing the entire organization so that it excels on all dimensions of products and services that are important to customers? Multiple Choice • DMAIC • Kaizen • Continuous improvement • Quality at the source • Total quality management
A process flowchart uses which of the following symbols to represent a decision point in a flow diagram? Multiple Choice • Rectangle • Arrow • Inverted triangle •
Diamond • A dashed line
To reduce process flow time, you might try which of the following actions? Multiple Choice • Perform activities in parallel. • Change the sequence of activities. • Reduce interruptions. • Acquire additional equipment. • All of these
Which of the following terms describes the time a unit spends actually being worked on together with the time spent waiting in a queue? Multiple Choice • Cycle time • Flow time • Run time • Setup time • Efficiency
The Malcolm Baldrige National Quality Award is given to organizations that have done which of the following? Multiple Choice • Instituted a Six-Sigma approach to total quality control. • Demonstrated a high level of product quality. • Demonstrated outstanding quality in their products and processes. •
Have a world-class quality control function. • Most significantly improved their product quality levels.
DPMO refers to Multiple Choice • defects per million parts • defects per many units • defects per million operations • defects per million opportunities • defects per million A Pareto chart as part of a Six-Sigma quality improvement process might be found in which DMAIC category? Multiple Choice • Define • Measure • Analyze • Improve • Control
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http://www.uopstudy.com/ OPS 571T Wk 2 – Apply: Week 2 Assignment A quality guru named Joseph M. Juran is well known for his program structured around "14 points" for management. True or False While small business organizations can seek to achieve the Baldrige National Quality Award, hospitals cannot.
True or False When we use a make-to-stock production process, we control our production based on a desired amount of finished goods inventory. True or False Consider a three sequentially stepped process named as Process A, Process B and Process C. Input comes into Process A. Output form A goes into Process B. Output from B goes into Process C. Output of C is the final output. Suppose that it takes 2 minutes per unit in Process A, 3 minutes per unit in Process B and 1 minute per unit in Process C. Suppose further that Process A receives input at the rate of 30 per hour. Which process will be experiencing starving? Multiple Choice • Process A • Process B • Process C • Process B and Process C • None
It is generally believed that the correct cost for a well-run quality management program should be under 2.5 percent of sales. True or False
If you want to reduce process flow time, it has been suggested that you can perform activities in the process in parallel. True or False
A quality guru named Philip Crosby defined quality as conformance to requirements. True or False
Throughput rate of a production process is the amount of time a unit spends actually being worked on. True or False
Which of the following is not an analytical tool used in Six-Sigma quality improvement
programs? Multiple Choice • Flowcharts • Run charts • Control charts • Pareto diagrams • Decision diagrams
An opportunity flow diagram is a time-sequenced chart showing plotted values measuring the flow of end product or components. True or False
Quality at the source" refers to the degree to which product or service design specifications are met. True or False
Which of the following production process terms best describes the situation when activities in a stage of production must stop because there is no work? Multiple Choice • Blocking • Buffering • Starving • Buffer • Setup time It is generally believed that the correct cost for a well-run quality management program should be under 2.5 percent of sales. True or False Productivity in a production process can be measured by the ratio of output to input. True or False
The term "conformance quality" refers to the relative level of performance of a product as compared to competing products. For instance, certain luxury sedans are said to be of "higher quality" than some low-priced sub-compact automobiles. True or False
The dimension of design quality that concerns the sensory characteristics of the product is which of the following? Multiple Choice • Features • Serviceability • Perceived quality • Reputation • Aesthetics
A rectangle is conventionally used in a process flowchart to represent a task or operation. True or False
Job design is defined as the function of specifying the work activities of an individual or group in an organizational setting. True or False
The dimension of design quality that concerns the consistency of performance over time or the probability of failing is which of the following? Multiple Choice • Response • Serviceability • Reliability • Reputation •
Perceived quality
The long-term relationship among the inventory, throughput, and flow time of a production system in steady state is called which of the following? Multiple Choice • Peterson's rule • Murphy's law • Little's law • Robert's rule • None of these
Utilization of a production process is the ratio of output to input. True or False
Applicants for the Baldrige Award for total quality management must submit an application of up to 50 pages that details the processes and results of their activities under seven major categories. Which of the following is one of those categories? Multiple Choice • DMAIC • Customer and market focus • Standardization • Control • Inspection protocols
Consider a business that can be run using a make-to-stock or make-to-order process. Further suppose that your demand is 10000 per monthand is spread out during the month. Capacity of both processes is 15000per month. Based only on this information, what would be the best choice? Multiple Choice • Choose Make-to-stock process.
• Choose make-to-order process. • Either A or B. • Both A and B • None of the above.
A process flowchart uses which of the following symbols to represent tasks or operations in a flow diagram? Multiple Choice • Rectangle • Arrow • Inverted triangle • Diamond • A dashed line
A quality guru named Joseph M. Juran defined quality as fitness for use. True or False
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http://www.uopstudy.com/ OPS 571T Wk 3 – Practice: Week 3 Knowledge Check The text lists seven prominent types of waste that should be eliminated from the supply chain. Which of the following is not one of them? Multiple Choice • Waste from overproduction • Transportation waste • Waste of waiting time •
Waste of motion • None of the above – they are all included in wastes that should be eliminated from supply chains
What term refers to a schedule that pulls material into final assembly at a constant rate? Multiple Choice • Terminal velocity systems • Maximum velocity scheduling • Slow and steady scheduling • Kanban schedules • Level schedule
What is the term which refers to the entire production process working in harmony to achieve the profit goals of the firm? Multiple Choice • Team processes • Synchronous manufacturing • Coordinated production • Steady state • Level production planning
What is the name of the software Goldratt developed to implement his idea of TOC? Multiple Choice • Goldratt ERP (GERP) • Constraint manager • TOC-Soft • Optimized production technology
• Production scheduler
To develop a lean manufacturing system a firm might do which of the following? Multiple Choice • Eliminate anything that does not add value for the customer. • Standardize product configurations. • Process design with product design. • Adopt a kaizen philosophy. • Implement top-down management controls.
In setting up a Kanban control system you need to determine the number of kanban card sets needed. If assume the expected demand during lead time is 50 per hour, the safety stock is 20 percent of the demand during lead time, the container size is 4, and the lead time to replenish an order is 8 hours, what number of Kanban card sets is needed? Multiple Choice • 60 • 80 • 90 • 120 • 150 Which of the following is a lean production technique that has been successfully applied in service firms? Multiple Choice • Decision trees • Leveling the facility load • Linear programming •
Fully utilized capacity • Backflushing
Which of the following is one of Dr. Eli Goldratt's rules of production scheduling for optimized production technology? Multiple Choice • Utilization and activation of a resource are not the same. • Do not allow bottlenecks to govern the flow of the line. • An hour lost at a bottleneck saves an hour for the entire system. • Balance the capacities, not the flows. • The level of utilization of a bottleneck resource is not determined by its own potential but by some other constraint in the system.
A useful measure of inventory performance is called "dollar days." In which of the following areas are dollar days measurements not useful? Multiple Choice • Marketing • Research and development • Manufacturing • Project management • Purchasing Which of the following is a negative aspect of JIT compared to synchronous manufacturing? Multiple Choice • JIT cannot deal with outside vendors. • JIT needs broadly fluctuating production levels. • JIT does not allow very much flexibility in the products produced. •
JIT requires a great deal of workforce computational skills. • JIT does not deal well with bottlenecks.
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http://www.uopstudy.com/ OPS 571T Wk 3 – Apply: Week 3 Assignment According to the theory of constraints, which of the following is an operational measurement that can be used to measure the firm's ability to make money? Multiple Choice • Inventory • Sales • Operating revenue • Unit cost • Overhead per unit
Which of the following is a "focusing step" of Dr. Eli Goldratt's theory of constraints? Multiple Choice • Reduce system constraints. • Reinforce system constraints. • Support system constraints. • If you have no system constraints, make some. • Identify system constraints.
Rather than try to adjust the master production schedule to change resource loads, it is more practical to control the flow at each bottleneck or CCR to bring capacities in line. True or False True
Company unions in Japan exist to foster a cooperative relationship with management. True or False
Smaller transfer batches give lower work-in-process inventory and faster product flow. True or False
Uniform plant loading is where you schedule production with different amounts of the same product each day of the week to permit variation to meet changing demand requirements. True or False
In implementing a lean production system, you should work with suppliers to do which of the following? Multiple Choice • Open facilities near your factory. • Focus workstation capacities. • Backflush. • Provide quality at the source. • Reduce lead times.
According to the theory of constraints, the term "productivity" is defined as all those actions that bring a company closer to its goals. True or False
You have been called in as a consultant to set up a Kanban control system. The first thing to do is to determine the number of Kanban card sets needed. Your research shows that the expected demand during lead time for a particular component is 150 per hour. You estimate the safety stock should be set at 25 percent of the demand during lead time. The tote trays used as containers can hold 8 units of stock, and the lead time it takes to replenish an order is 2 hours. Which of the following is the number of Kanban card sets necessary to support this situation? Multiple Choice • 42 •
47 • 68 • 89 • 94
Uniform plant loading is a process of smoothing the production activity flow to dampen the reaction waves that normally occur in response to schedule variations. True or False
Mr. Goldratt's "theory of constraints" is useful only in manufacturing settings. True or False
Quality at the source" requires factory workers to become their own inspectors. True or False
On an assembly line, a process batch can be infinite. True or False
Which of the following is an approach to dealing with a bottleneck? Multiple Choice • Keep a buffer inventory in front of it to ensure that it always has something to work on. • Use Johnson's sequencing rules on bottleneck operations. • Don't worry about the bottleneck; it will take care of itself. • Move things to a faster bottleneck. • Pay an incentive bonus to workers on the bottleneck operation.
A way to find a bottleneck is to use one's knowledge of a particular plant, look at the system in operation, and talk with supervisors and workers. True or False
To implement a flow process in developing a lean system a firm might do which of the following? Multiple Choice • Improve capacity utilization. • Build product in anticipation of demand. • Reduce setup/changeover time. • Eliminate some fixed costs. • Implement groupware.
One way to find a bottleneck is to run a capacity resource profile. True or False
Value stream mapping is used to visualize product flows through various processing steps. True or False
The "dollar days" inventory measurement can be used in purchasing to discourage large work-inprocess and producing earlier than is needed. True or False
According to the theory of constraints, a bottleneck is any resource whose capacity is greater than the demand placed on it. True or False
In setting up a kanban control system you need to determine the number of kanban card sets needed. If the expected demand during lead time is 25 per hour, the safety stock is 20 percent of the demand during lead time, the container size is 5, and the lead time to replenish an order is 5 hours, what the number of kanban card sets is needed? Multiple Choice • 5 • 20 • 27
• 30 • 34
An MRP system can allow for product rejects by building a larger batch than is demanded, but a JIT system cannot tolerate poor quality. True or False
In a lean production system, we expect to see which of the following? Multiple Choice • No extra inventory • Extra inventory of critical parts held "just-in-case" • More parts and fewer standardized product configurations • Managers being held responsible for quality of the work turned out • Closer management-labor relationships
A kanban control system uses a signaling device to regulate JIT flows. True or False
In implementing a lean production system you should work with suppliers to do which of the following? Multiple Choice • Calculate lead times. • Use quality circles. • Freeze windows. • Make frequent deliveries. • Achieve bottom-round management.
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http://www.uopstudy.com/ OPS 571T Wk 4 – Practice: Week 4 Activities What type of chart compares the current project schedule with the original baseline schedule so that deviations from the original plan can be easily noticed? Multiple Choice • Tracking Gantt chart • Project task tree • Bar chart • Milestone chart • Project calendar
Schedule the following activities using CPM: ACTIVITY IMMEDIATE PREDECESSOR TIME (WEEKS) A — 1 B A 4 C A 3 D B 2 E C, D 5 F D 2 G F 2 H E, G 3 ________________________________________
b. What is the critical path? • A-C-D-F-G • A-C-E-H • A-B-D-F-G-H • A-B-D-E-H c. How many weeks will it take to complete the project?
b. A-B-D-E-H, also shown in the network above as the bold path. d. All tasks on the critical path (CP) will have zero slack. All other tasks will have slack equal to the difference between their early and late start times, which is the same as the difference between their early and late finish times. In this problem those tasks are C, F, and G.
What was the first major project management information system that is now commonly used for managing very large projects? Multiple Choice • PERT • IBM Projects • CPM • Microsoft Project • Primavera Project Planner
You have just been assigned to oversee a series of projects. Functional areas will loan you personnel for each project, and separate project managers will be responsible for separate projects. These project managers will report to you. Which project management structure is being used? Multiple Choice • Pure project • Task force • Matrix project • Functional project • PERT
In a Gantt chart, the horizontal axis is usually which of the following? Multiple Choice • Activities • Cost • Profit • Time • Milestones
You have the following time and cost information for use in a time-cost CPM scheduling model. What are the three costs per unit of time to expedite each activity? Multiple Choice • A = $300, B = $200, C = $300 • A = $100, B = $200, C = $400 • A = $200, B = $200, C = $200 • A = $100, B = $400, C = $300 • A = $200, B = $300, C = $400 You have just performed a CPM analysis and have found that more than one path through the project network has zero slack values. What can you conclude? Multiple Choice • You have incorrectly performed the analysis. • You have multiple critical paths. • Only one path is optimal. • More than one path is optimal. • The project will not be completed by the desired time.
You are looking at a chart that has the terms BCWS, BCWP, and AC indicating lines on the chart. What kind of chart are you looking at? Multiple Choice • Gantt chart • PERT chart • Bar/milestone chart • Total program cost breakdown • EVM chart
Popular project management software used in mid-sized projects is Multiple Choice • Microsoft Word. • Microsoft Primavera. • Microsoft Project. • Microsoft Excel. • None of these
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http://www.uopstudy.com/ OPS 571T Wk 4 – Apply: Week 4 Assignment A project can be subdivided into which of the following? Multiple Choice • Job orders • Sub-jobs • Work packages •
Sub-paths • Events and decisions
You know when you have arrived at the optimal solution in using the time-cost CPM scheduling model analysis when what happens? Multiple Choice • You have found the critical path. • You have run out of crash time. • You no longer have a linear relationship with costs. • You have reached the minimum total cost. • You have run out of crash costs.
A project may be defined as a series of related jobs directed toward some major output and requiring a significant period of time to perform. True or False
CPM is an abbreviation for critical path method. True or False
For an activity in a CPM analysis, the early finish time is 20 and the late finish time is 20. Which of the following statements is true? Multiple Choice • The activity's late start must happen before its early start. • The activity is on the critical path. • The slack for this activity is 20. • The duration of this task is zero. • The duration of this task is 20.
Earned value management (EVM) has the capability to combine measurements of scope, schedule, and cost in a project. True or False
The Gantt chart is an example of a project control chart. True or False
PERT is an abbreviation for which of the following methodologies? Multiple Choice • Product evaluation, result, and treatment • Programming and evaluation realization technology • Program evaluation and review technique • Process evaluation and review technology • It is a name, not an abbreviation for anything.
The project indirect costs associated with a project include overhead, facilities, and resource opportunity costs. True or False
In CPM, the late start time estimate is the latest time you can start an activity and still keep the entire project on schedule. True or False
A matrix project structure is often referred to as a "skunkworks." True or False
One of the assumptions made using CPM is that project activity sequence relationships can be specified and networked. True or False
The second step in managing a project is writing the statement of work. True or False
A project starts out as which of the following? Multiple Choice • A statement of work • Critical path method (CPM) • A series of milestones • A Gantt chart •
A series of projects that are organized in such a way that each project utilizes people from different functional areas is using which of the following organizational structures? Multiple Choice • Matrix project • Integrated task force • Functional project • Pure project • Cross-functional flexible team
Earned value management (EVM) is a technique for measuring project progress in an objective manner. True or False
Project management software available today combines CPM and other scheduling aids, like Gantt charting, to aid in tracking progress of project completion. True or False
Some of the advantages of a functional project where the project is housed in a functional division include which of the following? Multiple Choice •
The project manager has full authority over the project. • Team pride, motivation, and commitment are high. • A team member can work on several projects. • Needs of the client are secondary. • None of these
Breakthrough projects are those that provide fundamental improvements to existing products. True or False
The critical path in a CPM analysis is always the shortest path through the network. True or False
A listing of immediate predecessor activities is important information in a CPM analysis for which of the following reasons? Multiple Choice • It specifies the relationships in the CPM network of activities. • It provides useful timing information. • It includes cost information. • It is the probability information required in the final step of CPM. • None of these
Calculating the early start and early finish times for each activity in a CPM analysis does not provide any useful information. True or False
An event unit package is a subdivision of a project. True or False
When reducing the planned duration of a project using the time-cost CPM model, we select the
activity to crash by determining the cost of each alternative and selecting the one whose cost is the greatest. True or False
The fact that organizations are flattening is one of the reasons that project management is important. True or False
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http://www.uopstudy.com/ OPS 571T Wk 5 – Practice Week 5 Knowledge Check Given the following history, use a three-quarter moving average to forecast the demand for the third quarter of this year. Note, the 1st quarter is Jan, Feb, and Mar; 2nd quarter Apr, May, Jun; 3rd quarter Jul, Aug, Sep; and 4th quarter Oct, Nov, Dec. JAN FEB MAR APRMAY JUN JUL AUG SEP OCT Last year 100 125 135 175 185 200 150 140 130 200 225 250 This year 125 135 135 190 200 190 ________________________________________
NOV
DEC
The following table contains the number of complaints received in a department store for the first 6 months of operation: MONTH COMPLAINTS January 36 February 45 March 81 April 90 May 108 June 144 ________________________________________ If a three-month moving average is used to smooth this series, what would have been the forecast for May?
Which of the following are significant ways in which service systems differ from manufacturing systems? (You may select more than one answer. Single click the box with the question mark to
produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer.)
• • • • •
Service is tangible You cannot inventory service Employees do not require any technical training The process is part of the product The service itself cannot be patented
A ride at an amusement park is an example of a service operation where there is direct contact between the customer and server, but little variation in the service process—neither the customer nor server has much discretion in how the service will be provided. As shown on the Service System Design Matrix, which type of service is being delivered? • Face-to-face, tight specs • Buffered core • On-site technology • Face-to-face, total customization • Face-to-face, loose specs
Which of the following is not one of the basic types of forecasting? Multiple Choice • Qualitative • Time series analysis • Causal relationships • Simulation • Force field analysis
A company wants to forecast demand using the simple moving average. If the company uses four
prior yearly sales values (i.e., year 2013= 100, year 2014= 120, year 2015= 140, and year 2016= 210), which of the following is the simple moving average forecast for year 2017? Multiple Choice • 100.5 • 140.0 • 142.5 • 145.5 • 155.0
Which of the following forecasting methods is very dependent on selection of the right individuals who will judgmentally be used to actually generate the forecast? Multiple Choice • Time series analysis • Simple moving average • Weighted moving average • Delphi method • Panel consensus
Which of the following is a characteristic that can be used to guide the design of service systems? Multiple Choice • Services cannot be inventoried. • Services are all similar. • Quality work means quality service. • Services businesses are inherently entrepreneurial. • Even service businesses have internal services.
Which of the following is considered a high-contact service operation? Multiple Choice • On-line brokerage house • Internet sales for a department store • Physician practice • Telephone life insurance sales and service • Automobile repair
Which of the following approaches to service design is characterized by having the customer take a greater role in the production of the service? Multiple Choice • Production-line approach • Personal-attention approach • Quality approach • Do-it-yourself approach • Self-service approach
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http://www.uopstudy.com/ OPS 571T Wk 5 – Apply Week 5 Assignment There are no differences in strategic and tactical forecasting. A forecast is a mathematical projection, and its ultimate purpose should make no difference to the analyst. True or False
MAD statistics can be used to generate tracking signals. True or False
In a forecasting model using simple moving average, the shorter the time span used for calculating the moving average, the closer the average follows volatile trends. True or False
A company has actual unit demand for three consecutive years of 124, 126, and 135. The respective forecasts for the same three years are 120, 120, and 130. Which of the following is the resulting MAD value that can be computed from these data? Multiple Choice • 123 • 3 • 1 • 5 • 15
Bayesian analysis is the simplest way to choose weights for the weighted moving average forecasting model. True or False False
A company has calculated its running sum of forecast errors to be 500, and its mean absolute deviation is exactly 35. Which of the following is the company's tracking signal? Multiple Choice • Cannot be calculated based on this information • Exactly 35 • About 0.07 • About 14.3 • More than 35
Qualitative forecasting techniques generally take advantage of the knowledge of experts and therefore do not require much judgment.
True or False False
In general, which forecasting time frame is best to detect general trends? Multiple Choice • Long-range forecasts • Quick-time forecasts • Rapid-change forecasts • Short-term forecasts • Medium-term forecasts
You are using an exponential smoothing model for forecasting. The running sum of the forecast error statistics (RSFE) are calculated each time a forecast is generated. You find the last RSFE to be 34. Originally, the forecasting model used was selected because of its relatively low MAD of 0.4. To determine when it is time to re-evaluate the usefulness of the exponential smoothing model, you compute tracking signals. Which of the following is the resulting tracking signal? Multiple Choice • 60 • 8 • 85 • 12.9 • 13.6
In time series data depicting demand, which of the following is not considered a component of demand variation? Multiple Choice • Trend • Autocorrelation •
Variance • Seasonal • Cyclical
A central premise of exponential smoothing is that more recent data are less indicative of the future than data from the distant past. True or False False
Which of the following forecasting methodologies is considered a qualitative forecasting technique? Multiple Choice • Simple moving average • Multiple regression • Market research • Exponential smoothing • Linear regression
Which of the following is a major factor that distinguishes service design and development from manufacturing design and development? Multiple Choice • The service package is the major output of the development process. • The service process and service product can be developed independently. • Capacity decisions are much more critical in manufacturing operations. • Manufacturing is far more capital intensive than services. • The service package has the same legal protection available to manufactured goods.
Effective management of services requires a clear focus on understanding operations, so much so
that it may even require the exclusion of consideration of marketing or personnel. True or False
Market research is a quantitative method of forecasting. True or False A company wants to forecast demand using the simple moving average. If the company uses four prior yearly sales values (i.e., year 2013= 100, year 2014= 120, year 2015= 140, and year 2016= 210), which of the following is the simple moving average forecast for year 2017? Multiple Choice • 145.5 • 100.5 • 140.0 • 155.0 • 142.5
The customer is (or should be) the second most important focal point of all decisions in a service organization. True or False
A facilitating good is something purchased or consumed by the buyer or items provided to the customer. True or False
Which of the following forecasting methodologies is considered a time series forecasting technique? Multiple Choice • Historical analogy • Leading indicators • Simple moving average • Market research
• Simulation
Poka-yoke is roughly translated from Japanese as "quality management." True or False
An important aspect of service products is that they cannot be inventoried. True or False A company wants to forecast demand using the weighted moving average. If the company uses two prior yearly sales values (i.e., year 2015= 110 and year 2016= 130), and we want to weight year 2015at 10 percent and year 2016at 90 percent, which of the following is the weighted moving average forecast for year 2017? Multiple Choice • 120 • 128 • 142 • 133 • 138
In forecasting, RSFE stands for "running sum of forecast errors." True or False
Which of the following is not an element of a good service guarantee? Multiple Choice • The customer controls the process • Unconditional (no small print) • Easy to communicate • Meaningful to the customer • Easy to understand
Marketing is responsible for fulfilling the service guarantee. True or False
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http://www.uopstudy.com/ OPS 571T Wk 6 – Practice Week 6 Knowledge Check Logistics accounts for about what percent of the U.S. gross domestic product? Multiple Choice About 2-3 percent
About 5 percent
About 12 percent
About 8-9 percent
About 19-20 percent
What mode of transportation is involved in the movement of the greatest number of products? Multiple Choice Pipelines
Highway (truck)
Rail
Waterway (ship)
Air
What is the term used for a company moving management of the complete cycle of material flow to an outside provider? Multiple Choice Contract material management Contract distribution Supply chain management Vendor-managed inventory Logistics outsourcing
What term refers to the development and management of supplier relationships to acquire goods and services in a way that helps achieve the needs of a business? Multiple Choice Third-party logistics Vendor networks Strategic sourcing Lean procurement JIT sourcing
In the logistics-systems design matrix, volume, cost and speed of delivery are three variables (assume three levels: low, moderate or high) used to describe attributes of transportation modes. Rail is associated with Multiple Choice moderate volume, moderate speed and high cost moderate volume, high speed and high cost high volume, moderate speed and low cost low volume, high cost and low speed high volume, high speed and high cost
A company wants to determine where it should locate a new warehouse. It has two existing
production plants (i.e., plant A and plant B) that will ship units of a product to this warehouse. Plant A is located at the (X, Y) coordinates of (50, 100) and will have volume of shipping of 250 units a day. Plant B is located at the (X, Y) coordinates of (150, 200) and will have a volume of shipping of 150 units a day. Using the centroid method, which of the following are the X and Y coordinates for the new plant location? Multiple Choice (81, 117) (88, 138) (117, 102) (76, 123) X and Y coordinates cannot be computed from the data given.
The effect of the lack of synchronization among supply chain members is referred to as which of the following? Multiple Choice Forward buying Continuous replenishment Bullwhip effect Metcalf's law Being out of step
The six-step process for green sourcing does not include which of the following? Multiple Choice Assess the opportunity. Assess the supply base. Confer with environmental groups. Engage sourcing agents. Institutionalize the sourcing strategy.
Ownership costs are incurred after the initial purchase and are associated with the ongoing use of the product or material. Which of the following is not an ownership cost listed in the text? Multiple Choice Financing costs Energy costs Taxes Maintenance and repair costs Supply network costs
The total value of all items held in inventory for the firm valued at cost is which of the following? Multiple Choice
Cost of goods to be sold Average aggregate inventory value Weeks supply of goods Inventory turnover None of these
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http://www.uopstudy.com/ OPS 571T Wk 6 – Apply Week 6 Assignment Which of the following is not a criterion that influences manufacturing plant or warehouse facility location decisions? Multiple Choice
Government barriers
Trading blocs
Environmental regulation
Immigration rules
Local labor costs
If the average aggregate inventory value is $1,200,000 and the cost of goods sold is $600,000, which of the following is inventory turnover? Multiple Choice
60
10.4
2
0.5
None of these
Facility location analysis considers the competitive imperative of a favorable business climate as indicated by the presence of other companies in the same industry. True or False
In the sourcing/purchasing design matrix, there are three variables: contract duration, transaction costs and specificity (assume levels as short, medium and long for contractduration and for the rest, low, medium and high).Vendor managed inventory belongs to Multiple Choice
long contract duration, high transaction costs and low specificity.
short contract duration, high transaction costs and low specificity.
long contract duration, low transaction costs and low specificity.
long contract duration, high transaction costs and high specificity.
long contract duration, low transaction costs and high specificity.
A favorable business climate in facility location decision making might include government legislation of tax abatements. True or False
If the average aggregate inventory value is $45,000 and the cost of goods sold is $10,000, which of the following is weeks of supply? Multiple Choice
45,000
234
120
23.4
4.5
Facility location analysis considers the competitive imperative of locating near the appropriate labor pool to take advantage of low wage costs and/or skill levels. True or False
Hub-and-spoke systems combine the idea of consolidation and that of cross-docking. True or False
Which of the following is not an improvement-driven reason to outsource? Multiple Choice
Improve risk management.
Increase commitment in a noncore area.
Shorten cycle time.
Improve quality and productivity.
Obtain expertise, skills, and technologies that are otherwise not available.
The centroid method for plant location uses which of the following data? Multiple Choice
Volume of goods to be shipped between existing points
Inbound transportation costs
Transport times between facilities
Correlation matrix of existing facilities
Probabilities and payoffs
If the average aggregate inventory value is $1,200,000 and the cost of goods sold is $600,000, which of the following is weeks of supply? Multiple Choice
1,040
606
104
60.6
2.0
Issues of product mix and capacity are strongly interconnected to the facility location decision. True or False
First Among Best Solar Inc. announces thatthey will take back free of cost, all of their solar panels that are no longer useful. Till now, the cost of disposal was significant. This action reduces Multiple Choice
Acquisition cost
Total cost of ownership
post-ownership costs
B and C
None of the above
Two common measures to evaluate supply chain efficiency are the inventory turnover and weeksof-supply ratios. True or False
In conducting a total cost of ownership analysis, it is probably best to use a team representing the key functional areas. True or False The objective of facility location analysis is to select the site with the lowest total cost. True or False
In Hau Lee's uncertainty framework to classify supply chains, a supply chain for innovative products with a stable supply process is called which of the following? Multiple Choice Efficient Forward looking Agile Risk hedging Responsive
Acquisition costs include which of the following costs? Multiple Choice Quality costs Maintenance and repair costs Environmental costs Supply chain costs Customer dissatisfaction costs
In facility location decision making, the factor-rating system is one of the least used general location techniques. True or False
Ownership costs are incurred after the initial purchase and are associated with the ongoing use of the product or material. Which of the following is not an ownership cost listed in the text? Multiple Choice Financing costs Energy costs Taxes Maintenance and repair costs Supply network costs
The total cost of ownership (TCO) can be categorized into three areas: acquisition costs, ownership costs, and post-ownership costs. True or False
Facility location analysis considers the competitive imperative of locating near the appropriate labor pool to take advantage of high technical skills. True or False
Which of the following is a criterion that influences manufacturing plant or warehouse facility location decisions? Multiple Choice Proximity to customers Corporate policy Competitor's locations Competitive advantage Host-community politics
In outsourcing, which of the following internal activities and decision responsibilities cannot be transferred to outside contractors? Multiple Choice Activities involving people Activities involving facilities Activities involving equipment Activities involving shareholders Activities involving technology
Inventory turnover and weeks of supply are mathematically the inverse of one another. True or False