工业计算机选择判断Word文件下载.docx
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工业计算机选择判断Word文件下载.docx
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D、Automation.E、Environmentalissues.
9、Themajordifferencebetweengoodsandservicesis:
(A)
isdifficulttoinventoryservices
lacktheprofitabilitythatgoodsenjoy
productionusuallyrequiresmorelaborthanservices
arealwayscustomized,servicesarealwaysstandardized
organizationofferinggoodscannotalsoofferservices
10、Whichofthefollowingisnotatypeofoperations(E)
A.goodsproductiontransportation
analysis
11、Whichofthefollowingisnottrueaboutaleanproductionsystem(E)
A、Itputsemphasisonquality,flexibility,andtimereduction.
B、Itputsemphasisonreducingacompany'
slaborforce
C、Itisinvolvedinmaintainingandimprovingthesystemwithloweramountsof
inventory.
D、Itusessmallproductionbatchsizes
E、Itusessafetystocktoprotectagainstuncertainty.
12、Manyfactorsimpactproductivity,onefactornotgenerallystatedashavinganegativeimpactonproductivityis:
A、GovernmentregulationsB、LiabilityclaimsC、Increasedemphasisonservices
D、Emphasisonshort-termperformanceE、Allarereasons
13Whichisthecorrecthierarchyofoperationsmanagementdecisions(highestfirst)(E)
A、Operating,tactical,strategicB、Operating,strategic,tactica
C、Goals,missions,productivityD、Strategic,operating,tactical
E、Strategic,tactical,operating
14、Anoperationsstrategyisdevelopedusingmanysourcesofinput-whichistheleastlikelytohaveinput(C)
A、QualityB、PlanningC、SuppliersD、TopManagementE、Production
15、Ameasureofproductivitywhichreflectsacombinationofsomeoralloftheresourcesusedtoobtainacertainoutputis:
(C)
A、laborproductivityB、machineproductivityC、multi-factorproductivity
D、materialsproductivityE、overheadproductivity
16、Distinctivecompetenciesinorganizationsseldomrelateto:
(E)
A、price(cost)B、qualityC、timeD、flexibilityE、facilitieslayout
17、Productivityiscalculatedby:
(D)
A、DividinginputsbyoutputsB、Multiplyinginputsbyoutputs
C、AddinginputstooutputsD、Dividingoutputsbyinputs
E、Usingbenchmarkingtoyieldresults
18、Productdesignthatusescomputersisreferredtoas:
A、QFDB、CAMC、RFDD、CADE、TQM
19、Whichofthefollowingcouldbeadimensionofquality(E)
A、Performance.B、ConformanceC、ReliabilityD、Durability
E、Allmaybedimensionsofquality.
20、Whichofthefollowingmostaccuratelydescribesremanufacturing(C)
A、Processingacomponenttwicetoassureconformancetospecification
B、Redesigningthelayoutofthefactory
C、Replacingwornoutcomponentsinproductsandresellingtheproducts
D、Redesigningtheproduct.E、Retrainingtheworkers
21、Whichofthefollowingismosttypicalofmodulardesign(B)
A、Asinglemoduleincludesallproductfunctionality.
B、Standardmodulescanbecombinedinavarietyofways.
C、Inventoriesofcompletedproductswillbesignificantlyhigher
D、Defectivemodulesareusuallyrepairedratherthanreplaced.
E、Alloftheabovearetrue
22、Aspartofastrategyforimprovingcompetitiveness,amanagermayhavetoinitiallysacrifice:
A、researchanddevelopmentB、short-termperformanceC、employeepayraises
D、productorservicequalityE、managementincentivepayments(bonuses)
23、Servicedesigngenerallydiffersfromproductdesigninwhichofthefollowingways(B)
A、Servicedesigntendstofocusontangiblefactors.
B、Thereislesslatitudeindetectingandcorrectingerrorspriortodelivery
C、Thereisalesserrequirementtobeawareofcompetitors'
offerings
D、Thereislessvisibilitytocustomers.
E、Oncedesigned,servicetendstoremainconstantwhileproductdesignwillchangeoften.
24、Themissionofafirmshouldbedesignedtosupporteachofthefirm'
sfunctionalstrategies.(F)
25、Productivityistheratioofinputtooutput,withinputlimitedtomaterialandlabor.
(F)
26、Acompanycancompetewithothercompaniesmanufacturingasimilarproductonlybysellingatalowerprice.(F)
27、Managementhasagreatdealofresponsibilityforimprovingproductivity.(T)
28、Productivitylessthan100%generallyresultsinoperationsthatlosemoney.(F)
29、Amajorconsiderationinproductdesigninadditiontoqualityismanufacturability.(T)
30、Environmentalscanningreferstocheckingenvironmentalregulationsbeforeproceedingwithproductdesign(F)
31、Theterm“concurrentengineering”referstohavingbothengineeringandmanufacturingpersonnelworkingindependentlyearlyinthedesignphase.(F)
32、Delayeddifferentiationandmodulardesignaretwotacticsusefulformasscustomization.(T)
33、Qualityfunctiondeploymentisastructuredmethodofintegratingthe"
voiceofthecustomer"
intothedesignprocess.(T)
34、Accurateforecastingcanbedonewithinaccuratehistoricaldata.Iftheforecastingmodelisagoodone,itwillimprovetheinputused.(F)
35、Aggregated(grouped)datafrequentlygeneratebetterforecaststhannon-aggregateddatausedtoforecastindividualitems.(T)
36、Ifquantitativedataisavailableonwhichtobaseaforecast,itisunnecessarytoconsiderqualitativeinformation.(F)
37、TheDelphitechniqueisaforecastingmodel,developedinIndia,whichincorporatestheuseofmultipleregression.(F)
38、Inagoodforecast,abouthalfoftheforecastmissesshouldberandomlyscatteredabovetheactualresultsandhalfbelowtheactualresults.(T)
39、Doubleexponentialsmoothingcanonlybeusedifthereisnoobservabletrendinthedata.(F)
40、Seasonalityreferstodatapatternsthatrecureveryyear(oreveryweek,oreverymonth,etc.)ataboutthesametime.(T)
41、Whichofthefollowingforecastingtechniquesgeneratestrendforecasts(E)
A、Delphimethodforcecompositesaverages
exponentialsmoothingoftheabove
42、Forthissetoferrors:
-1,-4,0,+2,+3,MADis:
、Whichprobabilitydistributionisusedmostextensivelyindealingwithforecastingerrors(A)
44、Thecumulativeforecasterrorisimportantfordeterminingthe:
A.Meansquarederrorinforecasterror.
absolutedeviation.limitscoefficient
45、Whenweuseexponentialsmoothingforforecasting,thealphavalue(smoothingconstant)thatwouldgivethegreatestweighttothecurrentactualswouldbe:
B..01C..10D..20E..30
46、Whichofthefollowingsmoothingconstantswouldmakeanexponentialsmoothingforecastequivalenttoanaiveforecast(E)
B..01C..1D..5、Simpleexponentialsmoothingisbeingusedtoforecastdemand.Thepreviousforecastof66turnedouttobesixunitslessthanactualdemand.Thenextforecastis,implyingasmoothingconstant,alpha,equalto:
A..01B..10C..15D..20E..60
48、ThetemperatureonTuesdaywas80degrees,onWednesdayitwas82degrees,onThursdayitwas78degrees.AnaiveforecastforthetemperatureonFridaywouldbe:
'
ttellfromthedatagiven
49、Reliabilitiesaretypicallyspecifiedwithrespecttonormaloperatingconditions.(T)
50、Ifasystemismadeupoftwocomponentsthatareinseries,andbothhavefailureratesof50%,theprobabilitythatthesystemwillfailis75%.(T)
51、Theprobabilitythataserialsystemwillworkisthesumoftheprobabilitiesthateachcomponentwillworkdividedbythenumberofcomponents..(F)
52、Addingthreeormoreidenticalbackupsystemswillassure100%reliability.(F)
53、Thecostsofbackupsystemsneedtobebalancedagainstthecostsoffailure.(T)
54、Asystemiscomposedofthreecomponents,A,BandC.Allthreeofthesecomponentsmustfunctioninorderforthesystemtowork.Theirreliabilitiesarerespectively:
A,;
B1,;
C,.Theoverallsystemreliabilityis:
、Alifetesthasshownthatcoffeemakersfailinuseattherateofpermonth.Themanufacturerwarrantiesthatacoffeemakerwilllastfor12monthsofordinaryusage.Whatisthereliabilityofanyindividualcoffeemaker(C)
、Asystemiscomposedoftwopartswhichmustbothoperateinorderforthesystemtoperformasintended.Thepartshavereliabilitiesof.6and.5.Thereisanidenticalbackupsystemconnectedtothemainsystembyaswitchwhichhasareliabilityof.9.Theprobabilitythattheoverallsystemwilloperateisclosestto:
A..30B..40C..50D..60E..70
57、Ifthetransformerhasameantimetowear-outof20yearswithastandarddeviationof2years,whatistheprobabilitythatitwillwearoutwithin19years(B)
、Fourmajorcomponents-video,audio,tunerandpowersupply-makeupabigscreentelevisionset.Allmustfunctionforthesettobeacceptedforshipmenttocustomers.Reliabilitiesforeachmajorcomponentare80%.Whatistheprobabilitythatanewlymadesetwillbeacceptedforshipment(C)
%%%
'
tdeterminewithoutfurtherinformation
59、Ourestimatesregardingshort-runvariationsindemandcaninfl
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