《运营管理》课后习题答案

经典word整理文档，仅参考，转Word此处可删除页眉页脚。本资料属于网络整理，如有侵权，请联系删除，谢谢！-3.(1)(2)(3)(4)(5)(6)(7)WorkerOverheadMaterialTotalCostMFPWeekOutputCost@********Cost@$6$12x40(2)(6)123430,00033,60032,20035,4002,8803,3603,3603,8404,3205,0405,0405,7602,7002,8202,7602,8809,90011,22011,16012,4803.032.992.892.84*refertosolvedproblem#2Multifactorproductivitydroppedsteadilyfromahighof3.03toabout2.84.4.a.Before:805=16cartsperworkerperhour.After:844=21cartsperworkerperhour.b.Before:($10x5=$50)+$40=$90;hence80÷$90=.89carts/$1.After:($10x4=$40)+$50=$90;hence84÷$90=.93carts/$1.c.Laborproductivityincreasedby31.25%((21-16)/16).Multifactorproductivityincreasedby4.5%((.93-.89)/.89).÷=2÷=-6.StepsforMakingCashWithdrawalfromanATM1.InsertCard:MagneticStripShouldbeFacingDown2.WatchScreenforInstructions3.SelectTransactionOptions:1)Deposit2)Withdrawal3)Transfer4)Other4.EnterInformation:1)PINNumber1/222)SelectaTransactionandAccount3)EnterAmountofTransaction5.Deposit/Withdrawal:1)Deposit—placeinane(whichyou’llfindnearorintheATM)andinsertitintothedepositslot2)Withdrawal—liftthe“WithdrawalDoor,”beingcarefultoremoveallcash6.Removecardandreceipt(whichservesasthetransactionrecord)TechnicalHandlingPreparationTaste√√√√√√Appearance√Texture/consistencyChapter04-StrategicCapacityPlanningforProductsandServicesActualoutput2.Efficiency80%EffectivecapacityActualoutput=.8(Effectivecapacity)Effectivecapacity=.5(Designcapacity)Actualoutput=(.5)(.8)(Effectivecapacity)Actualoutput=(.4)(Designcapacity)Actualoutput=8jobsUtilization=.4ActualoutputUtilizationDesigncapacityActualoutput8DesignCapacity20jobsEffectivecapacity.410.a.Given:10hrs.or600min.ofoperatingtimeperday.250daysx600min.=150,000min.peryearoperatingtime.2/22TotalprocessingtimebymachineProduct1ABC48,00064,00032,0002348,00030,00060,000186,00048,00036,00060,000208,00036,00024,00030,000122,0004Total186,000N1.242machine1.382machine.811machine150,000A208,000150,000NB122,000150,000NCYouwouldhavetobuytwo“A”machinesatatotalcostof$80,000,ortwo“B”machinesatatotalcostof$60,000,orone“C”machineat$80,000.b.Totalcostforeachtypeofmachine:A=x=+=B:=x=+==x=+=2-SelectionFacility324abc7495dehi56gf3/22=4=Operatingtime56minutesperhourCT14minutesperunitDesiredoutput4unitsperhourTask#ofFollowingtasksPositionalWeightABCDEF43232431023201825182924145GHIa.Firstrule:mostfollowers.Secondrule:largestpositionalweight.AssemblyLineBalancingTable(CT=14)IVI59–4/22Firstrule:Largestpositionalweight.AssemblyLineBalancingTable(CT=14)HI955–Totaltime45Efficiency80.36%CTxno.ofstations56cabdhgef2.MinimumCt=1.3minutesTaskaFollowingtasks4bcdef3323210gh5/220.10.6(idletime).6Idlepercent11.54percentNxCT(323)//Totaltime4.6Totaltime4.6,CT2.3minutesN2eh///7.1365826/22Chapter06-WorkDesignandMeasurement3.Element1PR.90OT.46NTAFjob1.15ST.414.47623.851.5051.28051.4721.0501.3344.331341.001.161.160Total8.A=24+10+14=48minutesper4hoursA.15.70x.19.a.ElementPROTNTAST1231.101.191.3091.151.5051.098.6761.151.055.5881.151.15x.83s.034z2.00A.012(.034)2zs2n67.12~68observations.01(.83)ax22ne=e7/22Chapter07-LocationPlanningandAnalysis1.FactorLocalbankSteelmillFoodwarehousePublicschoolM–H.HHLLLHM–HMM–HLMLLHHLLLL5.6.LLMM–HHLM–HMLM7.8.MM–HLocation(a)Location(b)4.FactorA9B5C5Weight2/9ABC1.2.3.4.5.6.18/910/910/97/97671/97/93/96/98/93871/97/95652/910/912/910/98/94781/94/95/96/97/95/97/95551/94/97.6781/98/93944451.053/955/954/9Eachfactorhasaweightof1/7.394445a.CompositeScoresBCA777b.aa5x+2x+2x=1x=ABCc.CompositeScoresBC8/22xyLocation5.A387261BCD44E64iyi==5=5=x=y=nnHence,thecenterofgravityisat(5,4)andthereforetheoptimallocation.Chapter08-ManagementofQuality1.ChecksheetWorkTypeFrequency12LubeandOilBrakes764TiresBatteryTransmissionTotal130127641Lube&OilBrakesTiresBatteryTrans.9/222.3210••••••••••••••••••••••••••a410/229-SampleMeanRange4.=MeanChart:X±AR=79.96±0.58(1.87)12379.4880.141.22=79.96±1.08UCL=81.04,LCL=78.88479.601.7RangeChart:UCL=DR=2.11(1.87)=3.9545680.0280.382.01.4LCL=DR=0(1.87)=03[Bothchartssuggesttheprocessisincontrol:Neitherhasanypointsoutsidethelimits.]pp)6.n=200ControlLimits=p2n2513(200)2p.0096Thus,UCLis.0234andLCLbecomes0.Sincen=200,thefractionrepresentedbyeachdatapointishalftheamountshown.E.g.,1defective=.005,2defectives=.01,etc.Sample10istoolarge.1107.c7.857c3cControllimits:14UCLis16.266,LCLbecomes0.Allvaluesarewithinthelimits.====XXLSL1514.1.93USLX16151.04Cmin.938,1.04.93pk.93notcapable11/22XLSL33301.0USLX36.5331.17C1.0pkC<pkXXCpk=Chapter10-AggregatePlanningandMasterScheduling7.a.Nobacklogsareallowed808280-04033000000000303070000000012/22b.Levelstrategy828282-06011000091080900508.12345600005000000000000000000Chapter11-MRPandERP1.a.F:2G:1H:1J:2x2=4D:2x4=8L:1x2=2J:1x2=2A:1x4=4D:1x2=2Totals:F=2;G=1;H=1;J=6;D=10;L=2;A=413/22b.Beg.DayQuantity1223345667MasterInv.Schedule100150200111457100150200100100150200200Planned-orderreceiptsPlanned-orderreleases100200WoodSections234567200300400300300400Planned-orderreceiptsPlanned-orderreleases4002Braces3456730045060060240240600Planned-orderreceiptsPlanned-orderreleases24045014/22Beg.Legs123456712096812028030888071Planned-orderreceiptsPlanned-orderreleases10.Week1234Material40806070Week1234Laborhr.160320240280Mach.hr.120240180210a.CapacityutilizationWeekLabor123453.3%106.7%120%80%90%93.3%105%Machine60%a15/22Chapter12-InventoryManagement2.Thefollowingtablecontainsfiguresonthemonthlyvolumeandunitcostsforarandomsampleof16itemsforalistof2,000inventoryitems.DollarItemUnitCostUsageUsageCategoryCABCCABACBCCBCBCa.Seetable.b.Toallocatecontrolefforts.c.Itmightbeimportantforsomereasonotherthandollarusage,suchascostofastockout,usagehighlycorrelatedtoanAitem,etc.3.D=1,215bags/yr.S=$10H=$752DS75a.Q18bagsH==9bagsD67.5ordersQ18bags/ordersDd.TCQ/2HSQ16/222e.Q=2Increaseby[$1,428.71–$1,350]=$78.71D=x=S=$60H=$302DSHa.Q203.96boxes0QDb.TCHS2Q204210,400(30)(60)3,058.82204200210,400200TC(30)(60)200TC=3,000+3,120=$6,120–7.H=$2/monthS=D=100/month(months–6)1D=150/month(months–12)22DS2QD:Q74.1690.83H0102D:Q20b.TheEOQmodelrequiresthis.c.Discountof$10/orderisequivalenttoS–10=$45(revisedorderingcost)1–6TC74=$148.3217/222(2)(45)$140*502(2)(2)(45)$145(45)$1801002150=50150TC(2)(45)$18525050100150TC(2)(45)$167.5*(45)$19521001001502150150TC(2)15010.p=50/ton/dayu=20tons/day200days/yr.x=S=$100H=$5/tonperyr.2DSp5505020a.Qtons[10,328bags]0HpuQP516.4b.Imax(pu)[approx.bags]I2Averageis:154.92tons[approx.3,098bags]2Q516.4c.Runlength=10.33PD4,000d.Runsperyear=7.75[approx.8]Q516.4e.=258.2IDTC=maxHS2Q==$18/2215.RangePHQD=4,900seats/yr.H=.4P0–999$5.00$2.004951,000–3,9994,000–5,9996,000+4.954.904.851.981.961.94497NF500NF503NFS=$5049524,900495TC=($2)+($50)+$5.00(4,900)=$25,4901,0004,9001,0004,9004,0004,9006,000TCTCTC=($1.98)+($1.96)+($1.94)+($50)+$4.95(4,900)=$25,490($50)+$4.90(4,900)=$27,991($50)+$4.85(4,900)=$29,62624,0002==6,0002Hence,onewouldbeindifferentbetween495or1,000unitsTC••••4954975005031,0004,0006,000Quantity22.d=30gal./dayROP=170gal.LT=4days,ss=d=50galRisk=9%Z=1.34Solving,d=37.31Z=1.88,ss=1.88x37.31=70.14gal.3%Chapter13-JITandLeanOperations1.N=?DT(1+X)N==D=80piecesperhourT==C=C80(1.25)(1.35)45=3X=19/224.Thesmallestdailyquantityevenlydivisibleintoallfo