第8章 运作管理.docx

第8章 运作管理.docx

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第8章运作管理

CHAPTER8:

INVENTORYMANAGEMENT

TRUE/FALSE

1.Accordingtotheglobalcompanyprofile,A'sadvantageininventorymanagementcomesfromitsalmostfanaticaluseofeconomicorderquantityandsafetystockcalculations.

False（Globalcompanyprofile,easy）

2.Amajorchallengeininventorymanagementistomaintainabalancebetweeninventoryinvestmentandcustomerservice.

True（Introduction,easy）

3.Whichitemtoorderandwithwhichsuppliertheordershouldbeplacedarethetwofundamentalissuesininventorymanagement.

False（Introduction,moderate）

4.Onefunctionofinventoryistotakeadvantageofquantitydiscounts.

True（Functionsofinventory,easy）

5.Work-in-processinventoryisdevotedtomaintenance,repair,andoperations.

False（Functionsofinventory,easy）

6.ABCanalysisclassifiesinventorieditemsintothreegroups,usuallybasedonannualunitsorquantitiesused.

False（Inventorymanagement,easy）

7.InABCanalysis,"A"Itemsarethemosttightlycontrolled.

True（Inventorymanagement,moderate）

8.ABCanalysisisbasedonthepresumptionthatcarefullycontrollingallitemsisnecessarytoproduceimportantinventorysavings.

False（Inventorymanagement,easy）

9.Cyclecountingisaninventorycontroltechniqueexclusivelyusedforcyclicalitems.

False（Inventorymanagement,moderate）

10.Oneadvantageofcyclecountingisthatitmaintainsaccurateinventoryrecords.

True（Inventorymanagement,moderate）

11.Incyclecounting,thefrequencyofitemcountingandstockverificationusuallyvariesfromitemtoitemdependingupontheitem'sclassification.

True（Inventorymanagement,moderate）

12.Retailinventorythatisunaccountedforbetweenreceiptandtimeofsaleisknownasshrinkage.

True（Inventorymanagement,moderate）

13.Thedemandforautomobileswouldbeconsideredanindependentdemand.

True（Inventorymodels,moderate）

14.Insuranceandtaxesoninventoryarepartofthecostsknownassetupororderingcosts.

False（Inventorymodels,easy）

15.Ifsetupcostsarereducedbysubstantialreductionsinsetuptime,theproductionorderquantityisalsoreduced.

True（Inventorymodels,andInventorymodelsforindependentdemand,easy）

16.TheEOQmodelisbestsuitedforitemswhosedemandisdependentonotherproducts.

False（Inventorymodelsforindependentdemand,moderate）

17.InthesimpleEOQmodel,ifannualdemandweretoincrease,theEOQwouldincreaseproportionately.

False（Inventorymodelsforindependentdemand,moderate）

18.Attheeconomicorderquantity,holdingcostsareequaltopurchasingcosts.

False（Inventorymodelsforindependentdemand,moderate）

19.InthesimpleEOQmodel,ifthecarryingcostweretodouble,theEOQwouldalsodouble.

False（Inventorymodelsforindependentdemand,moderate）

20.Intheproductionorderquantity（POQ）model,inventorydoesnotarriveinasinglemomentbutflowsinatasteadyrate,resultinginalargerlotsizethaninanotherwiseidenticalEOQproblem.

True（Inventorymodelsforindependentdemand,moderate）

21.Thereorderpointistheinventorylevelatwhichactionistakentoreplenishthestockeditem.

True（Inventorymodelsforindependentdemand,moderate）

22.Inthequantitydiscountmodel,itispossibletohaveacost-minimizingsolutionwhereannualorderingcostsdonotequalannualcarryingcosts.

True（Inventorymodelsforindependentdemand,moderate）

23.Inthequantitydiscountmodel,thecostofacquiringgoods（productcost）isnotafactorindetermininglotsize.

False（Inventorymodelsforindependentdemand,easy）

24.Servicelevelisthecomplementoftheprobabilityofastockout.

True（Probabilisticmodelsandsafetystock,moderate）

25.Unitsofsafetystockareadditionstothereorderpointthatallowforvariabilityintherateofdemand,thelengthofleadtime,orboth.

True（Probabilisticmodelsandsafetystock,easy）

26.Safetystockininventorysystemsdependsonlyontheaveragedemandduringtheleadtime.

False（Probabilisticmodelsandsafetystock,moderate）

27.Thefixed-periodinventorymodelcanhaveastockoutduringthereviewperiodaswellasduringthereorderperiod,whichiswhyfixed-periodmodelsrequiremoresafetystockthanfixed-quantitymodels.

True（Inventorymodelsforindependentdemand,easy）

MULTIPLECHOICE

28.WhichofthefollowingstatementsregardingAisfalse?

a.ThecompanywasopenedbyJeffBezosin1995.

b.Thecompanywasfoundedas,andstillis,a"virtualretailer"withnoinventory.

c.Thecompanyisnowaworld-classleaderinwarehousemanagementandautomation.

d.ThecompanyusesbothUnitedParcelServiceandtheU.S.PostalServiceasshippers.

e.Amazonobtainsitscompetitiveadvantagethroughinventorymanagement.

b（Globalcompanyprofile,moderate）

29.Whichofthefollowingisafunctionofinventory?

a.todecoupleorseparatepartsoftheproductionprocess

b.todecouplethefirmfromfluctuationsindemandandprovideastockofgoodsthatwillprovideaselectionforcustomers

c.totakeadvantageofquantitydiscounts

d.tohedgeagainstinflation

e.Alloftheabovearefunctionsofinventory.

e（Functionsofinventory,moderate）

30.Whichofthefollowingwouldnotgenerallybeamotiveforafirmtoholdinventories?

a.todecoupleorseparatepartsoftheproductionprocess

b.toprovideastockofgoodsthatwillprovideaselectionforcustomers

c.totakeadvantageofquantitydiscounts

d.tominimizeholdingcosts

e.Alloftheabovearefunctionsofinventory.

d（Functionsofinventory,moderate）

31.Whichofthefollowingisnotoneofthefourmaintypesofinventory?

a.rawmaterialinventory

b.work-in-processinventory

c.maintenance/repair/operatingsupplyinventory

d.safetystockinventory

e.Allofthesearemaintypesofinventory.

d（Functionsofinventory,moderate）

32.WhichofthefollowingstatementsaboutABCanalysisisfalse?

a.ABCanalysisisbasedonthepresumptionthatcontrollingthefewmostimportantitemsproducesthevastmajorityofinventorysavings.

b.InABCanalysis,"A"Itemsaretightlycontrolled,haveaccuraterecords,andreceiveregularreviewbymajordecisionmakers.

c.InABCanalysis,"C"Itemshaveminimalrecords,periodicreview,andsimplecontrols.

d.ABCanalysisisbasedonthepresumptionthatallitemsmustbetightlycontrolledtoproduceimportantcostsavings.

e.Alloftheabovestatementsaretrue.

d（Inventorymanagement,moderate）

33.AllofthefollowingstatementsaboutABCanalysisaretrueexcept

a.inventorymaybecategorizedbymeasuresotherthandollarvolume

b.itcategorizeson-handinventoryintothreegroupsbasedonannualdollarvolume

c.itisanapplicationoftheParetoprinciple

d.itstatesthatallitemsrequirethesamedegreeofcontrol

e.itstatesthattherearethecriticalfewandthetrivialmanyinventoryitems

d（Inventorymanagement,moderate）

34.ABCanalysisisbasedupontheprinciplethat

a.allitemsininventorymustbemonitoredveryclosely

b.thereareusuallyafewcriticalitems,andmanyitemswhicharelesscritical

c.anitemiscriticalifitsusageishigh

d.thesafetystock（intermsofvolume）shouldbehigherforAitemsthanforCitems

e.anitemiscriticalifitsunitpriceishigh

b（Inventorymanagement,moderate）

35.ABCanalysisdivideson-handinventoryintothreeclasses,generallybasedupon

a.itemquality

b.unitprice

c.thenumberofunitsonhand

d.annualdemand

e.annualdollarvolume

e（Inventorymanagement,moderate）

36.Cyclecounting

a.isaprocessbywhichinventoryrecordsareverifiedonceayear

b.providesameasureofinventoryaccuracy

c.providesameasureofinventoryturnover

d.assumesthatallinventoryrecordsmustbeverifiedwiththesamefrequency

e.assumesthatthemostfrequentlyuseditemsmustbecountedmorefrequently

b（Inventorymanagement,moderate）

37.Whichofthefollowingstatementsregardingcontrolofserviceinventoriesistrue?

a.Serviceinventoryisafictionalconcept,becauseservicesareintangible.

b.Serviceinventoryneedsnosafetystock,becausethere'snosuchthingasaservicestockout.

c.Effectivecontrolofallgoodsleavingthefacilityisoneapplicabletechnique.

d.Serviceinventoryhascarryingcostsbutnotsetupcosts.

e.Alloftheabovearetrue.

c（Inventorymanagement,moderate）

38.Thetwomostbasicinventoryquestionsansweredbythetypicalinventorymodelare

a.timingandcostoforders

b.quantityandcostoforders

c.timingandquantityoforders

d.orderquantityandservicelevel

e.orderingcostandcarryingcost

c（Inventorymodelsforindependentdemand,moderate）

39.Amongtheadvantagesofcyclecountingisthatit

a.makestheannualphysicalinventorymoreacceptabletomanagement

b.doesnotrequirethedetailedrecordsnecessarywhenannualphysicalinventoryisused

c.doesnotrequirehighlytrainedpeople

d.allowsmorerapididentificationoferrorsandconsequentremedialactionthanispossiblewithannualphysicalinventory

e.doesnotneedtobeperformedforlessexpensiveitems

d（Inventorymanagement,moderate）

40.Whichofthefollowingareelementsofinventoryholdingcosts?

a.housingcosts

b.materialhandlingcosts

c.investmentcosts

d.pilferage,scrap,andobsolescence

e.Alloftheaboveareelementsofinventoryholdingcost.

e（Inventorymodels,moderate）

41.Whichofthefollowingisnotanassumptionoftheeconomicorderquantitymodelshownbelow?

a.Demandisknown,constant,andindependent.

b.Leadtimeisknownandconstant.

c.Quantitydiscountsarenotpossible.

d.Productionandusecanoccursimultaneously.

e.Theonlyvariablec