BADM7120 Final
The ability of the process to meet, or exceed, its specifications can be determined by:
Cp index
Which of the following is NOT a measure of forecast accuracy?
Cumulative absolute deviation of forecast error
The market-pull view of new product innovation is to:
Develop products that the company can sell, based on customer need
Multiple critical paths can exist under CPM because:
Different network paths exist, each with the same total time
In a batch operation, each product must have the same flow path and must pass through all of the same work centers.
False
In a make-to-stock operation, the order penetration point is after fabrication and before final assembly.
False
It is often good to have many conditions in a service guarantee as these conditions minimize the chances of a service failure.
False
Kaizen events typically take between 1 to 2 months.
False
Which of the following is NOT true about the cost of quality?
Increasing prevention cost increases appraisal, internal and external failure costs
Independent demand inventory consists of:
Inventory whose demand is determined by market conditions outside the firm
Quality of design:
Is determined before production by a cross-functional product design team
Which of the following is NOT true about Collaborative Planning, Forecasting and Replenishment (CPFR)?
It requires advanced forecasting tools such as Box-Jenkins to improve the forecasting accuracy
Which of the following is an example of a finite population in a queuing system?
The departmental faculty in line at the copier
A service blueprint is used to analyze and manage the service process because it involves:
The identification of flows, bottlenecks, and customer interaction points
A small improvement in customer loyalty can substantially improve the profitability of a service firm.
True
High-contact and low-contact services can also be classified as front office and back office operations.
True
Ideally in waiting line or queuing analysis we want to balance the cost of service capacity with the cost of waiting.
True
In a waiting line situation, multiple lines occur only when there are multiple servers.
True
One of the major benefits of concurrent engineering is the reduction in time to complete the new-product development process.
True
The business strategy can be derived from a firm's distinctive competence that is difficult for competitors to copy or imitate.
True
The total cost of quality in an organization is the sum of control costs and failure costs
True
Value stream maps are similar to flowcharts and are used for identifying the waste and non-value-added steps in the current process.
True
With lean thinking, a firm's operations layout should evolve to a cellular manufacturing layout.
True
Supply Chain Strategy focuses, in part, on:
all of the above
Supply chain management includes the integration of:
all of the above
Reduction of steup time is accomplished by separating internal and external setups and:
converting internal setup time to external setup time
Using exponential smoothing, if we want forecasts to be very responsive to recent demand, the value of alpha should be:
large
With regards to suppliers, lean systems typically require:
long-term relationships and commitments
Buying a ticket for a college football game where there are multiple windows to buy the ticket at features which type fo queuing system line structure?
multichannel, single phase
In the basic EOQ model, if annual demand and carrying costs double, the EOQ:
remains the same
In a college registration process, several department heads have to approve an individual student's semester course load. What is the queuing system line structure?
single channel, multiphase
There is a single roller coaster machine running in the part that runs the track every 5 minutes. Which type of queuing system line structure does the roller coaster ride employ?
single channel, single phase
The process view provides a basis for viewing an entire business as a system of interconnected processes.
true
A finite population in waiting line management refers to a population that is large enough in relation to the service system so that the change in population size caused by subtraction or additions to the population does not significantly affect the system probabilities.
False
Best practices in operations are best for all organizations
False
ISO 9000 standards guarantee that a product or service has no defects
False
If there are multiple resources that process each transaction, then the process capacity is the sum of all the individual capacities of the resources.
False
The four major decision responsibilities of operations management are:
Process, Capacity, quality, and inventory
In which phase of the new-product design process should considerations about tradeoffs among product cost, quality, and schedule be made?
Product design
If an organization were having difficulty trying to get customers opinions into the definition of quality, which of the following approaches would be most suitable?
Quality Function Deployment
One of the main objectives of a lean system is:
Reduction of waste
Managing quality in a lean system:
Requires continuously exposing and correcting quality problems
Which phrase most closely describes the Delphi forecasting technique?
Rounds of anonymous data collection
The capacity of a process is determined by:
The bottleneck
Quality Function Deployment includes which of the following: (1) relative importance of customer attributes, (2) tolerance stack-up, (3) a comparison to the competitor's product, (4) engineering characteristics, (5) customer perceptions, (6) customer attributes, (7) variation around a target, (8) value analysis.
1, 3, 4, 5, 6
A computerized inventory system checks inventory levels at the end of the week and produces suggested orders for the coming week. What kind of system is this?
A periodic review system
Project management requires:
ALL of the above. Scheduling, planning controlling, quantitative skills, behavior skills
A cause-and-effect diagram:
All fo the above are true
Reducing setup time is important because it:
All of the above
Which fo the following is/are assumption(s) of process control?
All of the above
Which of the following statements is true about a critical path?
All of the above.
Process efficiency is usually highest in which type of process?
Assembly line
Which of the following is NOT one of the four principles of process redesign?
Automate the remaining steps in the process
The operation objectives of quality, cost, delivery, and flexibility are:
Connected
The type of processing system that is used for highly standardized products such as oil and gasoline is:
Continuous process
The contemporary operations themes signify that:
Every operation should be externally directed to meet the customers' requirements
The difference between actual demand and the forecast is:
Forecast error
An important lesson from the product-process matrix is:
Give importance to aligning product choice decisions and process choice decisions
Which of the following statements in NOT true about managing inventory in supply chains?
In a supply chain, a single firm typically controls all of the inventories that are required while manufacturing a product.
"Slack" refers to the difference between:
Late and early times
Quality Function Deployment:
Links customer requirements to technical specifications
If one time-series model is used for forecasting a low demand item and another time-series model is used for forecasting a high demand model, which measure of forecast accuracy provides a valid comparison of the errors from these two time-series?
MAPE
Safety stock inventory is:
Maintained to absorb uncertainty in, for example, delivery lead time from suppliers
The four elements that form the heart of operations strategy include:
Mission, distinctive competence, objectives, and strategic decisions
Which of the following is not an element of lean?
Modularized master schedule
The carrying cost for inventory consists of which components?
Obsolescence cost, storage cost, and capital cost
A process control chart:
Separates the assignable cause of variation from the common cause of variation
Which of the following statements is NOT true about six sigma quality?
Six sigma corresponds to 3 standard deviations on either side of the mean
A decision is made that suppliers will be chosen based on quality rather than cost. This is an example of which of the following?
Strategic decision
In a Q system, average inventory:
Tends to be less than under a system of periodic review (P system)
Which of the following statements about CPM is true?
The CPM method is well suited when activity times are fairly constant and can be reduced by spending more money.
Which of the following are the three major components of a queuing system?
The arrival population characteristics/behavior, the queuing system, and resource characteristics/behavior
The advantage(s) of the network method over the Gantt chart is (are) that:
The network method shows precendence relationships explicitly when compared to Gantt charts
Which of the following is NOT a general characteristic of a service?
The service can be transported
Which of the following is NOT a correct statement?
The service delivery system should be designed primarily around the employees in the system
A department of 25 machines kept running by three operators who respond to randomly occurring equipment problems. An analyst wanting to know whether to add a fourth operator or downsize to two operators would be helped by using queuing theory analysis.
True
A process will generally have at least one bottleneck.
True