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operations management

Questions and Answers of Operations Management

This Active Model appears in myomlab. It allows you to evaluate the sensitivity of the EOQ and associated costs to changes in the demand and cost parameters.QUESTIONS1. What is the EOQ and what is
Active Model 11.2 appears in myomlab. It allows you to find the location that minimizes the total load-distance score.QUESTIONS1. What is the total load-distance score to the new Health-Watch medical
Metro Supply decided to relocate its warehouse. Determine a good location for its new warehouse based on minimizing the number of miles traveled. The addresses and number of trips made to each of its
Bath towels. Televisions. Fresh produce. Uniforms. On the surface, these items may not appear to have any relationship to each other. Sure, they exist in most households, even though they were
Alex Brunswick, CEO of Brunswick Distribution, Inc. (BDI), looked out his office window at another sweltering day and wondered what could have gone wrong at his company. He just finished reviewing
When Gary Erickson started out on one of his typical long-distance bike treks in 1990, he expected to have a great ride. What he didn't expect was to come home with the idea for a sports nutrition
Autoliv is a world-class example of lean manufacturing. This Fortune 500 company makes automotive safety components such as seat belts, airbags, and steering wheels, and has over 80 plants in more
Identify a service or a manufacturing process that you are familiar with, and draw a current state value stream map to depict its existing information and material flows.
Fitness Plus, Part B, explores alternatives to expanding a new downtown facility and is included in the Instructor's Resource Manual. If you are interested in this topic, ask your instructor for a
This Active Model appears in myomlab. It allows you to see the effects of sample size and z-values on control charts.QUESTIONS1. Has the booking process been in statistical control?2. Suppose we use
This Active Model appears in myomlab. It allows you to evaluate the structure of a Pareto chart. QUESTIONS1. What percentage of overall complaints does discourteous service account for?2. What
This Active Model for Example 3.1 appears in myomlab. It allows you to see the effects of performing paired swaps of departments.QUESTIONS1. What is the current total weighted-distance score?2. Use
The Phoenician in Phoenix, Arizona, is part of Starwood's Luxury Collection and its only AAA Five Diamond Award resort in the Southwestern United States. Sophistication, elegance, and excellence only
This Active Model appears in myomlab. It allows you to evaluate the sensitivity of che project time to changes in activity tunes and activity predecessors.QUESTIONS1. Activity B and activity K are
When a large project is mismanaged, It makes news. Form a discussion group and identify penalties associated with a mismanaged project in your experience or in recent headlines. Identify the cause of
Starwood is one of me worlds largest hotel companies, with more than 750 owned, managed, and franchised properties in more than 80 countries. The company's lodging brands include The Luxury
This Active Model appears in myomlab. It allows you to evaluate the important elements of labor productivity.QUESTiONSI. It’ the Insurance company can process 60 (10 percent) more policies per
In South Africa, Christmas falls in the middle of summer, and it is likely to be celebrated with swimming, barbecues, and other northern hemisphere traditional summer activities. Due to geographical
Management of First Syracuse Bank is concerned over a loss of customers at its main office. One proposed solution calls for adding one or more drive-through teller stations so that cus tomers can get
Refer to the data in Solved Problem F.1 which deals with Higgins Plumbing and Heating. Higgins has now collected 100 weeks of data and finds the following distribution for sales:
In the simulation of an order policy for drills at Simkin's hardware (Example F3, pp. 793—795), would the results (of Table F.10) change significantly if a longer period were simulated? Why is the
Solve the following linear programming problem graphically:Maximize profit = 30X1 + 10X2Subject to: 3X1 + X2 < 300X1 +X2 < 200X1 <
Solve the following linear programming problem graphically:Maximize profit = 30X1 + 10X2Subject to: 3X1 + X2 < 300X1 +X2 < 200X1 <
What is the trade-off between operator-performed maintenance versus supplier-performed maintenance?
Using Table 1 1 A, determine the sales necessary to equal a dollar of savings on purchases for a company that has:a) A net profit of 6% and spends 60% of its revenue on purchases.b) A net profit of
Cecil Rice Export, Alexandria, Egypt Cecil Rice Export operates a facility in Alexandria, Egypt, where bulk white rice is bagged for export in 70-pound grain bags. The bagged rice is then palletized
Give examples of industries that are affected by seasonality. Why would these businesses want to filter out seasonality?
What three method are used to determine the accuracy of any given forecasting method? How would you determine whether time-series regression or exponential smoothing is better in a specific
How is the variances of the total project computed in PERT?
Define strategy.
Based on the description and analysis in this chapter, would boeing be better described as a global firm or transnational firm? Discuss.
Based on the description and analysis in this chapter, would boeing be better described as a global firm or transnational firm? Discuss.
Determine the optimal order quantity and total annual inventory cost for cups in Problem 13.33 if the carrying cost is 5% of the price of a box of cups.Data in Problem 13.33The 21,000-seat Air East
The following table provides the crash data for the project network in Problem 9.14. The normal activity times are considered to be deterministic and not probabilistic.Crash the network the maximum
What is productivity? How is it measured?
Backwoods American, Inc., produces expensive water-repellent, down-filled parkas. The company implemented a total quality-management program in 2014. Following are quality-related accounting data
The Omega Shoe Company manufactures a number of different styles of athletic shoes. Its biggest seller is the X-Pacer running shoe. In 2017 Omega implemented a quality-management program. The
Some companies use the Japanese-originated “5s” methodology (Chapter 16, Table 16.1) in their Six Sigma and continuous improvement programs. Discuss how 5s might be used in a quality management
In recent years, a large number of the Malcolm Baldrige Award winners have been from the healthcare industry. Discuss why you think this is.
The Great Outdoors Clothing Company in Problem 3.33 has designed its packaging and delivery process to deliver orders to a customer within 3 business days ±1 day, which it tells customers. Using the
Martha’s Wonderful Cookie Company in Problem 3.30 has designed its special super-chocolate-chip peanut butter cookies to have 8 chocolate chips with tolerances of ±2 chips. Using the process mean
The Pacific Fruit Company in Problem 3-17 has designed its packaging process for boxes to hold a net weight (nominal value) of 9.0 oz. of raisins with tolerances of ±0.5 oz. Using the process mean
Explain to what extent the process for producing Sam’s Long Life bulbs in Problem 3.37 would have to be improved in order to achieve Six Sigma quality. Data in Problem 3.37 Sam’s Long
Explain to what extent the process for manufacturing baseballs in Problem 3.42 must be improved in order to achieve 6σ quality. Data in Problem 3.42The Balston Healthcare System uses SPC charts
Kicks designs sneakers in crazy colors and patterns for kids of all ages. In the past, the company has outsourced production, but due to new tariffs on imported shoes, they have decided to set up
Why is capacity planning strategically important?
Explain economies and diseconomies of scale. Give an example of each.
For the CPM/PERT network in Problem 9.17, determine the probability that the network duration will exceed 50 months.Data in Problem 9.17The following probabilistic activity time estimates are for the
What is the purpose of a CPM/PERT network?
Describe the difference between activity-on-node and activity on-arrow project networks.
Solve Problem 3.33 in Chapter 3 to construct an x-bar chart in conjunction with an R-chart for delivery time at the Great Outdoors Clothing Company. Data in Problem 3.33 in Chapter 3The
What is the bullwhip effect, and what are its causes?
Using the Internet, research and write a summary report citing several applications of the Internet of Things by companies to improve their supply chain performance.
Describe some of the advantages that blockchains provide for supply chain management.
Describe the global supply and distribution channels of the retail company L.L. Bean.
Using the Internet, research and write a report on intermodal shipping, including its different forms, its technical aspects, its use around the world, some examples of companies that use it, and the
Describe the difference between short-and long-range forecasts.
Monitor the adjusted exponential smoothing forecast in Problem 12.13 for bias using a tracking signal and a control chart with ±3 MAD. Data in Problem 12.13The Willow River Mining Company mines
What are the differences among a trend and a cycle and a seasonal pattern?
Explain what the numerical value of the slope of the linear regression equation in Problem 12.30 means. Data in Problem 12.30The manager of Sarah’s Ice-Cream store needs an accurate forecast
IM Systems (Problem 13.39) is considering purchasing monitors from a U.S. manufacturer that would guarantee a lead time of eight days, instead of from the Taiwanese company. Determine the new reorder
Complete the available-to-promise table below: On Hand = 10 Forecast Customer Orders Master Production Schedule Available-to-Promise 1 2 50 50 56 17 100 Period 3 4 50 50 75 50 100 5 6 50 50 16 14 100
Complete the available-to-promise table below: On Hand = 30 Forecast Customer Orders Master Production Schedule Available-to-Promise 1 2 100 50 75 50 100 50 Period 3 100 4 50 116
Calculate the available-to-promise row in the following matrix: On Hand = 100 Forecast Customer Orders Master Production Schedule Available-to-Promise 1 50 50 200 Period 2 3 100 50 4 5 6 100 50
Complete the following table. How many Bs are available to-promise in week 2? How soon could you fill an order for 250 Bs? Bs on Hand = 10 Forecast Customer Orders Master
Compare the ERP/CRM/SCM offerings of two different software vendors.
What are the advantages of small-lot sizes?
What are the advantages of mixed-model sequencing?
What is a poka-yoke? Give an example.
Explain the drum-buffer-rope concept.
A manufacturer of special petrochemical equipment with a proven track record of 80% learning has estimated that it spent 12,000 labor-hours at $25.00 per labor-hour on the production of the first
You need to schedule 10 units of product Alpha for delivery in 6 weeks. Three units of D and 2 units of F are required for each Alpha. The lead time for Alpha is 1 week. Lead time for D is 1 week,
Suppose you need to forecast the amount of relief aid needed following an earthquake. Which type of forecast do you think is the most appropriate: qualitative or quantitative? Why? Is collaborative
The manufacturer of outdoor paints at Jebel Ali, Dubai, has collected the following information regarding the capacities (in units) and demand forecast for the next 9 months.Cost data are as
Prepare a bill of material for a mechanical pencil.
The James Lawson Chemical Supply Company manufactures and packages expensive vials of mercury. Given the following demand, supply, cost, and inventory data, allocate production capacity to meet
Consider the following aggregate planning problem for one quarter:Assume that there is no initial inventory and a forecasted demand of 1,250 units in each of the 3 months. Carrying cost is $1 per
Zhong Factory manufactures different types of computer motherboards in batches. The demand for one of its motherboards is 200 units/day, while Zhong has a capacity of up to 1,000 motherboards/day.
Maple Leaf Foundary, owned by Ahmet Satir, produces cast-iron ingots according to a 3-month capacity plan. The cost of labor averages $100 per regular shift hour and $140 per overtime (O.T.) hour.
What is revenue management? Provide examples of industries where revenue management is popular.
Keebock, a maker of outstanding running shoes, keeps the soles of its size 13 running shoes in inventory for one period at a cost of $.25 per unit. The setup costs are $50. Beginning inventory is
Green Toys, a toy manufacturer in Cairo, Egypt, has the following master production plan:Lead time = 1 week; setup costs = E£2,000; holding cost = E£5 per unit per week; stockout cost = E£10 per
The marketing manager of a pharmaceutical company in Saudi Arabia has four salesmen that can serve four different sales regions. Considering the capabilities of the salesmen, their knowledge of the
Four employees are to be assigned to four different jobs. The time per job per employee in minutes is given in the table below.Find the optimal assignment of employees to jobs to minimize the total
The exclusive Swink Golf Driving Range has had a standard price of $15 per hour. The facility has 36 golfing stations, with average usage of 50%, 10 hours a day, 7 days a week. Morgan Swink, the
A sales manager for a large construction equipment company has offices in four Saudi Arabia cities. As part of the monthly assignment, the manager wants a salesman from each office to fly and meet
The Doan Modianos Manufacturing Company is putting out seven new electronic components. Each of Modianos’ eight plants has the capacity to add one more product to its current line of electronic
Dennis Geyer’s company wishes to assign a set of jobs to a set of machines. The following table provides data as to the cost of each job when performed on a specific machine.a) Determine the
The following jobs are waiting to be processed at a small machine center:All dates are specified as manufacturing planning calendar days.Assume that all jobs arrived on day 210 (yesterday) in the
Ravi Behara, the managing partner at a large law firm in Virginia, must assign three clients to three attorneys. Cost data are presented in the following table:Use the assignment algorithm to solve
What is a due date?
At the campus copy shop, six jobs have arrived in the order shown (A, B, C, D, E, and F) at the beginning of the day (today, which is a workday). All of the jobs are due at various times today. Your
Kamauf Custom Glass, Inc., manufactures custom windows primarily for homes and churches. Small repair jobs may take a few hours, but larger jobs may take hundreds of hours. How to schedule the jobs
Courtney is a programmer receiving requests each week to analyze a large database. Five jobs were on her desk Monday morning, and she must decide in what order to write the code. Assume that all jobs
Drew Rosen Automation Company estimates the data entry and verifying times for four jobs as follows:In what order should the jobs be done if the company has one operator for each job? Illustrate the
The table below shows the weekly demand for security officers at a small mall in Kuwait.Determine the minimum number of security officers needed with 2 consecutive days off. DAY Security
Randas Commercial Bakery produces cupcakes to be sold in supermarkets in Egypt. The production line is available 12 hrs/day and is currently producing in large lots. The manager wants to reduce the
Al-Arabi Company in Egypt is a manufacturer of steel knobs. The manager decided to introduce the Kanban system to reduce inventory. Using the information in the table below, how many Kanbans are
The credit card issuing process at Atlanta Bank’s VISA program consists of 10 steps performed in series by different bank employees. The average reliability of each employee is 98%. Use Figure 17.2
What is level scheduling?

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