工业工程专业英语b卷

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1、系部名称：专业班级：姓名：学号：试卷份数密封线内不得答题———————————线封密河南工程学院2013至2014学年第一学期专业英语试卷B卷适用班级：工业工程1141，工业工程1142考试方式：闭卷本试卷考试分数占学生总评成绩的%题号一二三四五六七八九十总分核分人得分复查总分总复查人Directions:Thereare3passages,Eachpassageisfollowedbysomequestions.Youshoulddecideonthebestanswerofthesequestions.得分评卷人（本题30分）一、Calculationque

2、stionsEOQmodelandAServiceApplication1.CONSTANTDEMANDFORECASTANDITSUSEINPLANNINGOneofthesimplestmodelsofdemandistouseanestimateoftheaveragedemand.Thisaveragedemand,assumingaconstantrateeachperiod,canthenbeusedtounderstandtheeffectofproductioncostsortransportcostsoninventorylevels.Such

3、modelsareappropriatewhenwedealwithproductsinsituationswithpredictabledemand,thatis,lowforecasterror.Inparticular,wewillfocusontheimpactofsetupcostsandtheirinteractionwithholdingcosts.Ourfocusinthissectionisondiscussinguseofaconstantdemandratemodelinaneconomicorderquantity(EOQ)model.T

4、hisrequiresustodefinesomeofthecoststhatareimportantinunderstandingtheimpactofalternativedecisionsinaninventorysystem.1.1.InventoryCostsTherearetwomaininventorycostswefocuson:（1）Holdingorcarryingcosts:Thesecosts,expressedasacostperunitofinventoryperunitoftime,modelthecostassociatedwith

5、storagefacilities,handling,insurance,pilferage,obsolescence,opportunitycostofcapital,andsoon.（2）[1]Fixedorderingorsetupcosts:Thesecostsareincurredeachtimeanorderisplacedandmodelthecoststopreparethepurchaseorproductionorder,costsassociatedwithequipmentsetups,orcostsassociatedwithtrans

6、portation(asingledeliverytruck).1.2.AnInventoryPolicy[2]Thecontextisthefollowing:Aninventorymanagerfacesaconstantdemandratethathastobesatisfiedfrominventory.Orderingcostsentailafixedcostperorder.Inventoryheldinthesystemincursaholdingcost.Aninventorypolicydeterminesthequantityandfrequen

7、cyoforders.Eachinventorypolicyhasanassociatedcosttotheorganization.Thetwocomponentsofaninventorypolicyare:•Reviewperiod:howofteninventorylevelsaremonitoredandordersplaced•Orderquantity:fixedorvariableorderquantityConsiderthefollowinginventorypolicy:（1）PlaceanorderforQunits.（2）Wheninve

8、ntoryreaches