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Sac State OPM 101 - Study Notes

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Professor Blake OPM 101 Name__________________________Spring 2010EXAMINATION 2, Version CUse a Scantron Form No. 886-E to record your choice of the best answer to each of the following questions. You have the full period to answer the questions.The following questions are worth three (3) points each.1 Which forecasting method seeks to develop a consensus among a group of experts?a) Market researchb) Executive opinionc) Delphi methodd) Naïve methode) Gamma method2. Which forecasting method assumes that next period’s forecast is equal to this period’s actual value?a) Simple meanb) Ignorantc) Basicd) Naïvee) Nescient3. A firm has the following order history over the last 6 months.January 120February 95March 100April 75May 100June 50 [.4(50)+.3(100)+.3(75)]=[20+30+22.5]=72.5What would be a 3-month weighted moving average forecast for July, using weights of 40% forthe most recent month, 30% for the month preceding the most recent month, and 30% for the month preceding that one?a) 75b) 72.5c) 50d) 90e) 106.54. Which of the following is the simplest forecasting method?a) Naïveb) Moving averagec) Weighted moving averaged) Trend adjusted exponential smoothinge) Linear regression1Professor Blake OPM 101 Name__________________________Spring 20105. The maximum output rate that can be achieved by a facility under ideal conditions is _________________.a) utilizationb) design capacityc) effective capacityd) ultimate capacitye) temporary capacity6. Operating a facility close to its best operating level is clearly important becausea) it reduces fixed costb) it reduces overtime requirementsc) of impact on costsd) of impact on employees bonusese) it increases production7. Which of the following has the least to do with location analysis?a) sources of transportationb) reduction in trade barriersc) information technology reducing need for proximityd) retail stores locating near each othere) automation of factories8. With respect to globalization, which of the following would not be considered an important location consideration?a) vertical integrationb) trade barriersc) cultured) language barrierse) foreign markets 9. The challenge in process layouts is to arrange resources to maximize _____ and minimize ____a) movement, effectivenessb) effectiveness, efficiencyc) efficiency, waste of movementd) efficiency, effectivenesse) efficiency, labor cost10. A company with a pure intermittent processing system is most likely to use which layout type?a) invertedb) hybridc) processd) fixed positione) product11. Bridge construction is an example of which layout type? a) invertedb) hybridc) processd) fixed positione) product2Professor Blake OPM 101 Name__________________________Spring 201012. On which key tradeoff does the textbook focus concerning office layouts?a) cost vs. comfortb) pictures vs. windowsc) cubes vs. doorsd) network printers vs. individual printerse) proximity vs. privacy13. What occurs when a customer enters a waiting line but decides to exit before being served?a) balkingb) walkingc) renegingd) vacillatinge) jockeying14. When calculating waiting line metrics you must ensure that the arrival rate and service rate are:a) for the same day.b) for the same probability.c) for the same site.d) for the same time period.e) for the same utilization factor.15. Which of the following is not considered to be a valid performance measure of a waiting line system?a) the average number of customers waiting in lineb) the average number of customers in the systemc) the average amount of time customers spend waitingd) the arrival patterne) the system utilization rate16. Which of the following is not an assumption of the waiting line models presented in the textbook? a) the customers are patientb) customers come from an infinite populationc) customer arrival rate is described by a Poisson distributiond) service times are described by an exponential distributione) the waiting line priority rule is quickest service requirements first17. Which of the following most closely describes job enrichment?a) vertical expansionb) transferring workers through a series of jobs to increase their scope of experiencec) increasing the amount of workspace assigned to a workerd) horizontal expansione) assigning two jobs to the same worker18. What does work measurement determine?a) how long it should take to do a jobb) what is the best way to do a jobc) who is the best workerd) where work should be donee) why a particular step must be included in an operation3Professor Blake OPM 101 Name__________________________Spring 201019. For each work element in the time study, multiplying the mean observed time by the performancerating factor by the frequency of occurrence results in what?a) the normal time for the elementb) the average observed time for the elementc) the standard time for the elementd) the average delay for the elemente) the standard time for the job20. A cycle is typically the most difficult data pattern to predict.a) Trueb) False21. The maximum output rate that can be achieved by a facility under ideal conditions is design capacity.a) Trueb) False22. For the general warehouse layout problem the department with the highest ratio of trips to areas needed should be located closest to the dock.a) Trueb) False23. Services require a single activity or a series of activities and are identified by the term phase.a) Trueb) False24. The process flowchart describes the overall sequence of operation, movement, inspection, delay,and storage.a) Trueb) FalseThe following problems are worth ten (10) points each.1. The Freewheel motorcycle dealer in the Chicago area wants to be able to forecast accurately the demand for the Freewheel Super Z12 motorcycle. From sales records, the dealer has accumulated the following data for the second half of 2000.Month SalesJuly 10August 15September 23October 44November 54December 36a. Compute a 3-month moving average forecast of demand for January 2001.(44+54+36)/3 = 44.67 b) Compute a 5-month moving average forecast of demand for January 2001.(15+23+44+54+36) = 34.44Professor Blake OPM 101 Name__________________________Spring 20102. Medco plans to open a new medical center and is looking for a suitable location. They have narrowed their choice down to three locations, on Oak, Elm, and Ash Streets. They have defined four factors and


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