Question: When making decisions about what product(s)

> What type of manufacturing environment is JIT limited to?

> What are the three elements that require integration to be successful in operations and supply chain management?

> How does synchronous manufacturing differ from MRP with respect to scheduling?

> What is the term for a group of project activities that are assigned to a single organizational unit?

> What relationship is there between learning curves and capacity analysis?

> Consider the following tasks, times, and predecessors for an assembly of set-top cable converter boxes. Given a cycle time of four minutes, develop two alternative layouts. Use the longest task time rule and the largest number of following tasks as a s

> What are the 5 Ps of production in which firms typically seek operations consulting?

> What classic operational measurement does Goldratt redefine as “all the actions that bring a company closer to its goals?”

> What is the term which refers to the entire production process working in harmony to achieve the profit goal of the firm?

> Charlie’s Pizza orders all of its pepperoni, olives, anchovies, and mozzarella cheese to be shipped directly from Italy. An American distributor stops by every four weeks to take orders. Because the orders are shipped directly from Italy, they take th

> When cycle counting inventory, why do experts recommend a lower acceptable tolerance for “A” items than “B” or “C” items?

> Define and explain the cause or causes of a moving bottleneck.

> A company has recently implemented an automated online billing and payment processing system for orders it ships to customers. As a result, it has reduced the average number of days between billing a customer and receiving payment by 10 days. How will

> Recent outsourcing of parts and services that had previously been produced internally is addressed by which current issue facing operations and supply management today?

> Discuss process batch and transfer batches. How might you determine what the sizes should be?

> Discuss why transfer batches and process batches many times may not and should not be equal.

> What is another common name for the bill of materials?

> State the global performance measurements and operational performance measurements and briefly define each of them. How do these differ from traditional accounting measurements?

> 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

> The chapter presents multiple techniques that service firms can use to make their processes leaner. Which technique is demonstrated by a restaurant that offers special discounts mid-week to attract more demand during a traditionally slow period?

> What term is used to identify the difference between the number of units of an item listed on the master schedule and firm customer orders?

> What is the purpose of classifying items into groups, as the ABC classification does?

> What are the sources of demand in an MRP system? Are these dependent or independent, and how are they used as inputs to the system?

> “MRP just prepares shopping lists. It does not do the shopping or cook the dinner.” Comment.

> A manufacturer has decided to locate a new factory in the northwest U.S. to serve growing demand in that market. They have narrowed the potential sites down to two finalists, City A and City B. They have developed a list of important factors to conside

> How does Goldratt’s Theory of Constraints (TOC) differ from other current approaches to continuous improvement in organizations? How is it similar?

> Explain the need for time fences in the master production schedule

> Discuss the importance of the master production schedule in an MRP system.

> The process of running a consulting firm is analogous to what type of manufacturing process structure?

> What is meant when we say that the least total cost (LTC) and least unit cost (LUC) methods are dynamic lot-sizing techniques?

> Where would you place a drive-in church, a campus food vending machine, and a bar’s automatic mixed drink machine on the service-system design matrix?

> Planning orders on a lot-for-lot is commonly done because it is simple and intuitive. It also helps to minimize holding costs as you are only ordering what is needed when it is needed. So far it sounds like a good idea. Are there any disadvantages to

> Contrast the significance of the term lead time in the traditional EOQ context and in an MRP system.

> Should safety stock be necessary in an MRP system with dependent demand? If so, why? If not, why do firms carry it anyway?

> Consider the EVM charts in Exhibit 4.12. Are there any other measures you might want to use in the management of a project? What are some controllable variables that may affect the costs being tracked? exhibit 4.12 Earned Value Management Charts Ch

> 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 supplier manages their raw material inventory inside the man

> Which type of inventory system would you use in the following situations? a. Supplying your kitchen with fresh food. b. Obtaining a daily newspaper. c. Buying gas for your car. To which of these items do you impute the highest stockout cost?

> Which assumptions are necessary to employ the formulas given for Model 1?

> The restaurant in the prior problem anticipates that in one year, their demand will double as long as they can provide good service to their customers. How much will they have to increase their service capacity to stay out of the critical zone? Informat

> Many practitioners currently update MRP weekly or biweekly. Would it be more valuable if it were updated daily? Discuss.

> Why is the MRP process referred to as an “explosion?”

> In what three ways that market leadership can be obtained?

> Discuss the meaning of MRP terms such as planned order release and scheduled order receipts.

> State the types of data that would be carried in the bill of materials file and the inventory record file.

> What do we mean when we say that MRP is based on dependent demand?

> You are a newsvendor selling the San Pedro Times every morning. Before you get to work, you go to the printer and buy the day’s paper for $0.25 a copy. You sell a copy of the San Pedro Times for $1.00. Daily demand is distributed normally with mean = 250

> Which current issue in OSCM relates to the ability of a firm to maintain balance in a system, considering the ongoing economic, employee, and environmental viability of the firm?

> What are some reasons project scheduling is not done well?

> Sally’s Silk Screening produces specialty T-shirts that are primarily sold at special events. She is trying to decide how many to produce for an upcoming event. During the event, Sally can sell T-shirts for $20 apiece. However, when the

> DAT, Inc., produces digital audiotapes to be used in the consumer audio division. DAT lacks sufficient personnel in its inventory supply section to closely control each item stocked, so it has asked you to determine an ABC classification. Here is a sampl

> Discuss the assumptions that are inherent in production setup cost, ordering cost, and carrying cost. How valid are they?

> Compared to manufacturing systems, what is it about the environment of service operations that make them much harder to control?

> Alpha Products, Inc., is having a problem trying to control inventory. There is insufficient time to devote to all its items equally. The following is a sample of some items stocked, along with the annual usage of each item expressed in dollar volume.

> What concept provides guidance and direction for consistent, efficient implementation of BPR projects?

> In the past, Taylor Industries has used a fixed–time period inventory system that involved taking a complete inventory count of all items each month. However, increasing labor costs are forcing Taylor Industries to examine alternative w

> A builder has located a piece of property that she would like to buy and eventually build on. The land is currently zoned for four homes per acre, but she is planning to request new zoning. What she builds depends on approval of zoning requests and your

> The American College of Surgeons has developed criteria for determining operating room standards in the United States. Level I and II trauma centers are required to have in-house operating room (OR) staff 24 hours per day. So a base level of a single OR

> CU, Incorporated (CUI), produces copper contacts that it uses in switches and relays. CUI needs to determine the order quantity, Q, to meet the annual demand at the lowest cost. The price of copper depends on the quantity ordered. Here are price-break an

> A particular raw material is available to a company at three different prices, depending on the size of the order: The cost to place an order is $40. Annual demand is 3,000 units. The holding (or carrying) cost is 25 percent of the material price. What

> Demand for a book at Amazon.com is 250 units per week. The product is supplied to the retailer from a factory. The factory pays $10 per unit, while the total cost of a shipment from the factory to the retailer when the shipment size is Q is given by S

> What are operations people’s primary complaints against the accounting procedures used in most firms? Explain how such procedures can cause poor decisions for the total company.

> SY Manufacturers (SYM) is producing T-shirts in three colors: red, blue, and white. The monthly demand for each color is 3,000 units. Each shirt requires 0.5 pound of raw cotton that is imported from Luft-Geshfet-Textile (LGT) Company in Brazil. The purc

> Annual demand for a product is 13,000 units; weekly demand is 250 units with a standard deviation of 40 units. The cost of placing an order is $100, and the time from ordering to receipt is four weeks. The annual inventory carrying cost is $0.65 per unit

> Some suggest that customer expectation is the key to service success. Give an example from your own experience to support or refute this assertion.

> Under which conditions would a plant manager elect to use a fixed-order quantity model as opposed to a fixed-time period model? What are the disadvantages of using a fixed-time period ordering system?

> Given the following information, formulate an inventory management system. The item is demanded 50 weeks a year. a. State the order quantity and reorder point. b. Determine the annual holding and order costs. c. If a price break of $50 per order was of

> Is the business reengineering process more gradual, more radical, or about the same as the TQM process?

> Gentle Ben’s Bar and Restaurant uses 5,000 quart bottles of an imported wine each year. The effervescent wine costs $3 per bottle and is served only in whole bottles because it loses its bubbles quickly. Ben figures that it costs $10 each time an order i

> What dashboard would display metrics such as accurate performance of transfusion protocols and code response time?

> What is used to indicate suggested changes in a process that may lead to improvements in a value stream?

> Famous Albert prides himself on being the Cookie King of the West. Small, freshly baked cookies are the specialty of his shop. Famous Albert has asked for help to determine the number of cookies he should make each day. From an analysis of past demand, h

> Wholemark is an Internet order business that sells one popular New Year’s greeting card once a year. The cost of the paper on which the card is printed is $0.05 per card, and the cost of printing is $0.15 per card. The company receives $2.15 per ca

> Recent figures show that almost 60% of the volume of freight movements in the United States ship by truck. Rail is far more fuel efficient on a ton-mile basis – CSX advertises they can move a ton of freight 468 miles on a gallon of fuel.* Why is it th

> Solve the newsperson problem. What is the optimal order quantity? Purchase cost c = 15 Selling price p = 25 Salvage value v = 10 Probability 0.2 0.1 0.1 0.2 0.3 0.1 Value 1 2 3 4 6.

> Next week, Super Discount Airlines has a flight from New York to Los Angeles that will be booked to capacity. The airline knows from past history that an average of 25 customers (with a standard deviation of 15) cancel their reservation or do not show fo

> Expando, Inc. is considering the possibility of building an additional factory that would produce a new addition to its product line. The company is currently considering two options. The first is a small facility that it could build at a cost of $6 mill

> You work for Nokia in its global cell phone group. You have been made project manager for the design of a new cell phone. Your supervisors have already scoped the project, so you have a list showing the work breakdown structure, and this includes major p

> The local supermarket buys lettuce each day to ensure really fresh produce. Each morning, any lettuce that is left from the previous day is sold to a dealer that resells it to farmers who use it to feed their animals. This week, the supermarket can buy f

> The R&D department is planning to bid on a large project for the development of a new communications system for commercial planes. The accompanying table shows the activities, times, and sequences required: a. Draw the network diagram. b. What is th

> To support the manufacture of desktop computers for their customers, Dell needs to order all the parts that go into the computer, such as hard drives, motherboards and memory modules. Obviously the demand for these items is driven by the production sche

> “The nice thing about inventory models is that you can pull one off the shelf and apply it so long as your cost estimates are accurate.” Comment.

> What tool is used to ensure that all tasks in a project has the right mix of project team members assigned to it?

> Describe the benefits of using an ERP system.

> Explain how an ERP system can improve the evaluation and analysis of performance metrics.

> From the standpoint of the scheduling process, how are resource limitations treated in an MRP application and how are they treated in a synchronous manufacturing application?

> Briefly describe how supply chain planning and control is managed in an ERP system.

> Are the ERP systems discussed in the chapter appropriate for use in all firms? Explain.

> Why is the cash-to-cash cycle time such an important supply chain performance measure?

> An assembly line makes two models of trucks: a Buster and a Duster. Busters take 12 minutes each and Dusters take 8 minutes each. The daily output requirement is 24 of each per day. Develop a perfectly balanced mixed-model sequence to satisfy demand.

> Operations and supply chain ___________________________ leverages the vast amount of data in enterprise resource planning systems to make decisions related to managing resources.

> What are the three types of projects based on the amount of change involved?

> Your company assembles five different models of a motor scooter that is sold in specialty stores in the United States. The company uses the same engine for all five models. You have been given the assignment of choosing a supplier for these engines for t

> One of your Taiwanese suppliers has bid on a new line of molded plastic parts that is currently being assembled at your plant. The supplier has bid $0.10 per part, given a forecast you provided of 200,000 parts in year 1; 300,000 in year 2; and 500,000 i

> U.S. Airfilter has hired you as a supply chain consultant. The company makes air filters for residential heating and air-conditioning systems. These filters are made in a single plant located in Louisville, Kentucky, in the United States. They are distri

> What tool is used to reflect the particular needs of each stakeholder group in a performance measurement system?

> Almost certainly you have seen vending machines being serviced on your campus and elsewhere. On a predetermined schedule the vending company checks each machine and fills it up with various products. Which category of inventory model is this an exampl

> Dunstreet’s Department Store would like to develop an inventory ordering policy with a 95 percent probability of not stocking out. To illustrate your recommended procedure, use as an example the ordering policy for white percale sheets. Demand for white

> Schedule the following activities using CPM: a. Draw the network path. b. What is the critical path? c. How many weeks will it take to complete the project? d. Which activities have slack, and how much? АСTIVITY IMMEDIATE PREDECESSOR TIME (WEEKS) A

> The McDonald’s fast-food restaurant on campus sells an average of 4,000 quarter-pound hamburgers each week. Hamburger patties are resupplied twice a week, and on average the store has 350 pounds of hamburger in stock. Assume that the hamburger patties co

> The owner of a large machine shop has just finished its financial analysis from the prior fiscal year. Following is an excerpt from the final report: a. Compute the inventory turnover ratio (ITR). b. Compute the weeks of supply (WS). Net revenue $37