Manufacturing systems midterm 1
Some of the advantages of a functional project where the project is housed in a functional division include which of the following?
A team member can work on several projects
You have just determined the actual number of workstations that will be used on an assembly line to be 8 using the assembly-line balancing procedure. The cycle time of the line is 10 minutes and the sum of all that tasks required on the line is 60 minutes. Which of the following is the correct value for the resulting line's efficiency?
.75 [60 / (8 x 10)] = 0.750.
You have just determined the actual number of workstations that will be used on an assembly line to be 6 using the assembly-line balancing procedure. The cycle time of the line is 5 minutes and the sum of all that tasks required on the line is 25 minutes. Which of the following is the correct value for the resulting line's efficiency?
.833, [25 / (6 x 5)] = 0.833.
Using the assembly-line balancing procedure, which of the following is the theoretical minimum number of workstations if the task times for the eight tasks that make up the job are 7, 4, 7, 8, 9, 4, 3, and 6 minutes, and the cycle time is 8 minutes?
6, [(7 + 4 + 7 + 8 + 9 + 4 + 3 + 6) / 8 = 6]
Which of the following is the planned-order release using an MRP program if the gross requirement is 670 and the inventory on hand is 600?
70
Which of the following industry types have high expected benefits from the application of MRP?
assemble-to-order
T or F: Aggregate Planning Techniques is developed from the master schedule and the strategic capacity plan.
false
T or F: In a net change MRP system requirements and schedules are considered rigid and never updated.
false
T or F: Pricing for a service should primarily relate to the cost of providing the service and has little to do with capacity issues the service provider might face.
false
T or F: Subcontracting is viewed as a risky strategy because the firm may lose control of product design and pricing.
false
T or F: The economic order quantity (EOQ) lot sizing technique uses the "square root formula" to balance setup cost, carrying cost and cost of stock-outs.
false
T or F: The increasing complexity of modern operations management has made simple cut-and-try charting and graphical methods formerly used to develop aggregate operations plans impractical and obsolete.
false
T or F: The lot-for-lot (L4L) lot sizing technique minimizes carrying cost by taking into account setup costs and capacity limitations.
false
T or F: The sales and operations planning process is made up of a variety of analytical techniques that interact to produce short and intermediate term goals.
false
T or F: The time-phased plan specifying how many and when the firm plans to build each end item is called the Materials Requirements Plan (MRP.)
false
T or F: The widespread adoption of computing technology has led to the virtual abandonment of simple cut-and-try charting and graphical methods to develop aggregate operations plans.
false
In an overview of the major operations planning activities in a typical service organization, which of the following activities follows aggregate sales and operations planning?
workforce scheduling
There are many applications of poka-yokes in service organizations. Which of the following is one of the three-T's used to classify poka-yokes?
task
Which of the following is an input to the master production schedule (MPS)?
the aggregate plan
In essence, a queuing system includes several major components. Which of the following is not one of them?
the queue discipline
T or F: The Aggregate Operations Plan variable "inventory on hand" refers to the balance of unused inventory carried over from the previous time period.
true
T or F: The master production schedule states the number of items to be produced during specific time periods.
true
T or F: Yield management is the process of allocating the right type of capacity to the right type of customer at the right prices at the right time to maximize revenue or yield.
true
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?
EVM Chart
T or F: A bank branch manager position is not an OSCM-type of job.
False
T or F: A matrix project structure is often referred to as a "skunkworks."
False
T or F: A process map shows the physical location of the various processes within a supply chain.
False
T or F: A work breakdown structure is used in project management but it is not used when the critical path method is involved.
False
T or F: Activity-system maps depict the geographic reach of a company's business strategies.
False
T or F: An input to the material requirements planning (MRP) system is an exception report.
False
T or F: 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.
False
T or F: In a multifactor measure of productivity the numerator of the ratio would include all resources used or all inputs.
False
T or F: In a practical sense, an infinite queue is one that includes every possible member of the served population.
False
T or F: It is critical that a sustainable strategy meet the needs of shareholders and employees. It is also highly desirable that it preserves the environment.
False
T or F: Little's law states that supply chain processes can be regarded as unrelated and thus treated and analyzed separately.
False
T or F: Process selection refers to the strategic decision of choosing the volume of output to produce in a manufacturing facility depending upon the way that facility produces
False
T or F: Supply networks cannot be constructed for every product or service.
False
T or F: The closer the customer is to the customer order decoupling point the longer it takes the customer to receive the product.
False
T or F: The process when a company seeks to match the benefits of a successful position while maintaining its existing position by adding new features, services, and technologies into its current portfolio is called flexibility.
False
T or F: The second step in managing a project is writing the Statement of Work.
False
The valuations in an Earned Value Management analysis must be either profits or revenue.
False
In the service-system design matrix, an internet and on-site technology service encounter is expected to have which of the following?
High production efficiency
Which of the following is not a major strategic operational competitive dimension that forms a company's competitive position?
Management Acumen
Which of the following is a partial measure of productivity?
Output/Materials
If all you knew about a production system was that total daily output was 400 units and the total labor necessary to produce the 400 units was 350 hours, what kind of productivity measure could you use to compute productivity?
Partial Measure
What is meant by the term "operations effectiveness?"
Performing activities in a manner that best implements strategic priorities at minimum cost.
When balancing an assembly line, which of the following is not a way to reduce the longest task time below the required workstation cycle time?
Speed up the assembly line transfer mechanism
Which of the following is considered a "pure" production planning strategy?
Stable workforce, variable work hours
T or F: One difference between an assembly line process flow and a continuous process flow is that on the assembly line the flow is discrete rather than continuous.
True
T or F: A process can be effective without being efficient.
True
T or F: An example of an assemble-to-order firm is Dell Computer.
True
T or F: An important aspect of service products is that they cannot be inventoried.
True
T or F: An order qualifier is a set of screening criteria that permits a firm's products to be considered as possible candidates for purchase.
True
T or F: An order winner is a set of criteria that differentiates the products or services of one firm from another.
True
T or F: Assembling-to-order means moving the customer order decoupling point from finished goods to components.
True
T or F: Complex projects are often subdivided into a series of tasks that are typically configured to be not longer than several months in duration.
True
T or F: Earned Value Management (EVM) is a technique for measuring project progress in an objective manner.
True
T or F: Ideally in waiting line or queuing analysis we want to balance the cost of service capacity with the cost of waiting.
True
T or F: In services, once the aggregate staffing level is determined, the focus is on short-term workforce and customer scheduling.
True
T or F: Just in time (JIT) production was a major breakthrough in manufacturing philosophy pioneered by the Japanese.
True
T or F: Longest waiting time in line is a queue discipline discussed in the textbook.
True
T or F: One of the advantages of a functional project organizational structure is that a team member can work on several projects.
True
T or F: One of the assumptions made using CPM is that project activities can be identified with clear beginning and ending points.
True
T or F: One trade-off illustrated by the product-process matrix is between flexibility and cost.
True
T or F: Operations and supply chain management is defined as the design, operation, and improvement of the systems that create and deliver the firm's primary products and services.
True
T or F: Operations and supply strategy can be viewed as part of a planning process that coordinates operational goals with those of the larger organization.
True
T or F: Poka-Yoke is roughly translated from Japanese as "Avoid Mistakes."
True
T or F: Services are intangible processes that cannot be weighed or measured.
True
T or F: The Aggregate Operations Planning variable "workforce level" refers to the number of workers needed to accomplish the planned production.
True
T or F: The critical path in a CPM analysis is found by locating the activities times with zero slack.
True
T or F: The focus in the make-to-stock environment is on providing finished goods where and when the customers want them.
True
T or F: The main purpose of the aggregate production plan is to specify the optimal combination of workforce level and inventory on hand.
True
T or F: The term "assembly line" refers to progressive assembly linked by some material handling device.
True
T or F: The term "electronic commerce" refers to the use of the internet as an essential element of business activity.
True
Which of the following is not a suggestion for managing queues presented in the textbook?
Determine an acceptable waiting time for your customers
The acronym ERP stands for:
Enterprise Resource Planning—A data base of that ties together all application programs in a firm.
In the service-system design matrix, a face-to-face total customization service encounter is expected to have which of the following?
Low production efficiency
From an operational perspective yield management is least effective under which of the following circumstances?
The product can be kept to be sold when demand is stronger
Which of the following are the three major components of a queuing system?
The source population and the way customers arrive at the system, the serving systems, and how customers exit the system.
Which of the following is an input file necessary to run an MRP system?
Which of the following is an input file necessary to run an MRP system?
Decisions that relate to the design of the processes and the infrastructure needed to support these processes relate to which OSCM concept?
integrating operations and supply chain strategy with a firm's operational capabilities
Which of the following is an alternative possible service encounter included in the service-system design matrix?
internet
According to Little's Law, which of the following ratios is used to find throughput rate?
inventory/flow time
Which of the following is a dynamic lot-sizing technique that calculates the order quantity by comparing the carrying cost and the setup (or ordering) costs for various lot sizes and then selects the lot in which these are most nearly equal?
least total cost
Which of the following are alternative possible service encounters included in the Service-System Design Matrix?
mail contact
A firm fills its customer's orders from finished goods inventory. It is a:
make to stock firm
Which of the following is considered a primary report in an MRP system?
planned order schedule
In an overview of the major operations planning activities in a typical organization, which of the following activities precedes aggregate sales and operations planning?
process planning
A roller coaster ride in an amusement park employs which type of queuing system line structure?
single channel, single phase
