Questions and Answers of Operations And Supply Chain Management

The amount of overtime required to produce the additional 75 is 50 minutes (75 3 40 seconds/60 seconds). LO.1
Redesign. It may be possible to redesign the product to reduce the task time slightly. LO.1
Better human relations. Cells consist of a few workers who form a small work team; a team turns out complete units of work. LO.1
What is the essential requirement for mixed-model lines to be practical? LO.1
How do you determine the idle time percentage from a given assembly-line balance? LO.1
What kind of layout is used in a physical i tness center? LO.1
In department stores, locations nearest the store entrances and adjacent to frontwindow displays are most valuable in terms of sales potential. LO.1
Credit and other nonselling departments that require customers to wait for the completion of their services should be placed either on upper l oors or in “dead” areas. LO.1
Sale merchandise placed at the end of an aisle in supermarkets almost always sells better than the same sale items placed in the interior portion of an aisle. LO.1
People in supermarkets tend to follow a perimeter pattern in their shopping behavior.Placing high-proi t items along the walls of a store will enhance their probability of purchase. LO.1
Physically grouping machines and processes into cells. Often there will be parts that cannot be associated with a family and specialized machinery that cannot be placed in any one cell because of its
Identifying dominant l ow patterns of parts families as a basis for location or relocation of processes. LO.1
Grouping parts into families that follow a common sequence of steps. This step requires developing and maintaining a computerized parts classii cation and coding system.This is often a major expense
Faster production setup. Fewer jobs mean reduced tooling and hence faster tooling changes. LO.1
Less in-process inventory and material handling. A cell combines several production stages, so fewer parts travel through the shop. LO.1
Improved operator expertise. Workers see only a limited number of different parts in a i nite production cycle, so repetition means quick learning. LO.1
A point where inventory is positioned to allow the production process to operate independently of the customer order delivery process. LO.1
A i rm that makes predesigned products directly to i ll customer orders has this type of production environment. LO.1
What is the i rst of the three simple steps in the high-level view of manufacturing? LO.1
Why is it that reducing the number of moves, delays, and storages in a manufacturing process is a good thing? Can they be completely eliminated? LO.1
What is meant by manufacturing process l ow? LO.1
How does the production volume affect break-even analysis?LO7–3 LO.1
What does the product–process matrix tell us? How should the kitchen of a Chinese restaurant be structured? LO.1
What’s the relationship between the design of a manufacturing process and the i rm’s strategic competitive dimensions (Chapter 2)?LO7–2 LO.1
What is a customer order decoupling point? Why is it important? LO.1
What is meant by a process? Describe its important features. LO.1
When neither a task is being performed nor a part is being transferred, the part has to be stored. Goods in storage, waiting to be processed by the next task, are often called work-in-process
The l ow in a process consists of material l ow as well as l ow of information. The l ow of material transfers a product from one task to the next task. The l ow of information helps in determining
Each task in a process accomplishes, to a certain degree, the transformation of input into the desired output. LO.1
Systems that have this characteristic usually have nearzero learning. LO.1
The resulting plot of a learning curve when logarithmic scales are used. LO.1
The customer order decoupling point determines the position of what in the supply chain? LO.1
What term is used to mean manufacturing designed to achieve high customer satisfaction with minimum levels of inventory investment? LO.1
The diagram below represents a process where two components are made at stations A1 and A2 (one component is made at A1 and the other at A2). These components are then assembled at station B and
There are in total six drilling machines, but at present only three of them are operational. Each drilling machine drills part C at a rate of 50 parts per hour. In the i nal assembly, the output from
The Goodparts Company produces a component that is subsequently used in the aerospace industry. The component consists of three parts (A, B, and C) that are purchased from outside and cost 40, 35,
A i rm is selling two products, chairs and bar stools, each at $50 per unit. Chairs have a variable cost of $25, and bar stools $20. Fixed cost for the i rm is $20,000.a. If the sales mix is 1:1 (one
Assume a i xed cost of $900, a variable cost of $4.50, and a selling price of $5.50.a. What is the break-even point?b. How many units must be sold to make a proi t of $500.00?c. How many units must
A manufacturing process has a i xed cost of $150,000 per month. Each unit of product being produced contains $25 worth of material and takes $45 of labor. How many units are needed to break even if
The product–process matrix is a convenient way of characterizing the relationship between product volumes (one-of-a-kind to continuous) and the processing system employed by a i rm at a particular
How would you characterize the most important difference for the following issues when comparing a workcenter (job shop) and an assembly line?Workcenter Issue (Job Shop) Assembly Line Number of
Assuming an 80 percent learning rate, if the 4th unit takes 100 hours to produce, the 16th unit should take how long to produce? LO.1
Improvement comes from working smarter, not harder. While incentives must be included to motivate the individual worker, most improvement in output comes from better methods and effective support
The manager of a small post ofi ce is concerned that the growing township is overloading the one-window service being offered. Sample data are collected on 100 individuals who arrive for service:Time
Random service times can be modeled by this. LO.1
How long would customers have to wait in line, on average, at the ice cream shop discussed in question 7? LO.1
What is the expected waiting time for the system described in question 3? LO.1
The queuing models assume that customers are served in what order? LO.1
A bank of machines in a manufacturing shop breaks down according to the following interarrival time distribution. The time it takes one repairperson to complete the repair of a machine is given in
A service triangle consists of these four features. LO.1
Dei ne, in a practical sense, what is meant by an exponential service time. LO.1
In what way might the i rst-come, i rst-served rule be unfair to the customer waiting for service in a bank or hospital? LO.1
Distinguish between a channel and a phase. LO.1
The front end and the back end of a service encounter are referred to as what? LO.1
What are the four strategies for managing customerinduced variability? LO.1
These are the three steps of service at Nordstrom. LO.1
These procedures are done to make a system mistake-proof. LO.1
SecondLife would be this type of virtual service. LO.1
Having your luggage arrive on time when you land at an airport is what type of service in the service package? LO.1
This is the key feature that distinguishes a service blueprint from a normal l owchart. LO.1
This framework relates to the customer service system encounter. LO.1
Would you expect the Poisson distribution to be a good approximation ofa. Runners crossing the i nish line in the Boston Marathon?b. Arrival times of the students in your OSCM class?c. Arrival times
What is the major cost trade-off that must be made in managing waiting line situations? LO.1
Which assumptions are necessary to employ the formulas given for Model 1?LO10–3 LO.1
What is the most commonly used priority rule for setting queue discipline, likely because it is seen as most fair?LO10–2 LO.1
How much time on average would a server need to spend on a customer to achieve a service rate of 20 customers per hour? LO.1
If the average time between customer arrivals is eight minutes, what is the hourly arrival rate? LO.1
Why is simulation often called a technique of last resort? LO.1
Must you use a computer to get good information from a simulation? Explain. LO.1
What methods are used to analyze time in a simulation model? How do they work? LO.1
What are the pros and cons of starting a simulation with the system empty? With the system in equilibrium? LO.1
Distinguish between known mathematical distributions and empirical distributions. What information is needed to simulate using a known mathematical distribution?1. The exponential distribution is
Processes that involve the receiving of worn-out, defective, and excess products back from customers and support for customers who have problems. LO.1
A type of process where the major product is produced or service provided. LO.1
The selection of suppliers. LO.1
The processes needed to determine the set of future actions required to operate an existing supply chain. LO.1
A strategy that meets the needs of shareholders and employees and that preserves the environment. LO.1
The pipelinelike movement of the materials and information needed to produce a good or service. LO.1
What is the name of the process in which one company studies the processes of another i rm in order to identify best practices? LO.1
A type of business where the major product is intangible, meaning it cannot be weighed or measured. LO.1
Refers to when a company builds service activities into its product offerings. LO.1
Means doing something at the lowest possible cost. LO.1
Sustaining Our Planet—Keep our impact on the planet small, even as we grow. LO.1
Sustaining Our Community—Be good neighbors.Give back to the community. LO.1
A program to apply the latest concepts in information technology to improve service productivity. LO.1
Tools that are taught to managers in “Green and Black Belt Programs.” LO.1
An approach that combines TQM and JIT. LO.1
An approach that seeks to make revolutionary changes as opposed to evolutionary changes (which is advocated by total quality management). LO.1
A philosophy that aggressively seeks to eliminate causes of production defects. LO.1
Abstractly dei ned as quality divided by price. LO.1
Means doing the right things to create the most value for the company. LO.1
A manufacturing company has entered into a new contract with a major supplier of raw materials used in the manufacturing process. Under the new arrangement, called vendor managed inventory, the
What factors account for the resurgence of interest in OSCM today? LO.1
Recent outsourcing of parts and services that had previously been produced internally is addressed by which current issue facing operation management today? LO.1
Look at the job postings at www.apics.org and evaluate the opportunities for an OSCM major with several years of experience. LO.1
What is the difference between a service and a good? LO.1
What is product-service bundling, and what are the benei ts to customers? LO.1
What service industry has impressed you the most with its innovativeness? LO.1
Dei ne the service package of your college or university. What is its strongest element?Its weakest one? LO.1
The six phases of the product development process. LO.1

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