供应链管理第三版unit8习题与答案.docx
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供应链管理第三版unit8习题与答案.docx
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供应链管理第三版unit8习题与答案
Chapter8
AggregatePlanningintheSupplyChain
True/False
1・Thegoalofaggregateplanningistosatisfydemandinawaythatminimizesprofit・Answer:
FaIseDifficulty:
Easy
2.Aggregateplanningisaprocessbywhichacompanydetermineslevelsofcapacity,production,subcontracting,inventory,stockouts,andeven
pricingoveraspecifiedtimehorizon.
Answer:
True
Difficulty:
Moderate
3.Aggregateplanningsolvesproblemsinvolvingaggregatedecisionsratherthanstockkeepingunit(SKU)leveldecisions.
Answer:
True
Difficulty:
Easy
4.Traditionally,muchofaggregateplanningisfocusedwithinanenterpriseandmaynotalwaysbeseenasapartofsupplychainmanagement・
Answer:
True
Difficulty:
Moderate
5.Aggregateplanningisanimportantsupplychainissuebecause,tobeeffective,itrequiresinputsfromthroughoutthesupplychain,butitsresultshaveIittleimpactonthesupplychain・
Answer:
FaIse
Difficulty:
Moderate
6.Short-termproductionservesasabroadblueprintforoperationsandestabIishestheparameterswithinwhichaggregateplanningdecisionsaremade.
Answer:
FaIse
Difficulty:
Easy
7.Theaggregateplanningproblemisconcernedwithdeterminingtheproduct!
onlevel,inventorylevel,andcapacitylevel(internalandoutsourced)foreachperiodthatmaximizesthefirm'sprofitovertheplanninghorizon.
Answer:
True
Difficulty:
Moderate
8.Tocreateanaggregateplan,acompanymustspecifytheplanninghorizonfortheplanandthedurationofeachperiodwithintheplanninghorizon.Answer:
True
Difficulty:
Easy
9.AplanninghorizonisusuaIIybetweenthreeandfiveyears・
Answer:
FaIse
Difficulty:
Moderate
10.ApooraggregateplancanresultinimprovedsaIesandprofitsiftheavaiIableinventoryandcapacityareunabletomeetdemand.
Answer:
FaIse
Difficulty:
Easy
・Apooraggregateplanmayresultinalargeamountofexcessinventoryandcapacity,therebyraisingcosts・
Answer:
True
Difficulty:
Moderate
12.Theaggregateplannermustmakeatrade-offbetweencapacity,inventory,andbacklogcosts・
Answer:
True
Difficulty:
Moderate
13.Anaggregateplanthatincreasesonecosttypicallyresultsintheincreaseoftheothertwo.
Answer:
FaIse
Difficulty:
Moderate
14.Thetimeflexiblestrategyiswheretheproductionrateissynchronizedwiththedemandratebyvaryingmachinecapacityorhiringandlayingoffemployeesasthedemandratevaries・
Answer:
FaIse
Difficulty:
Hard
15.Thetimeflexiblestrategyiswhereworkforce(capacity)iskeptstablebutthenumberofhoursworkedisvariedovertimeinanefforttosynchronizeproductionwithdemand・
Answer:
True
Difficulty:
Moderate
16.Themixedstrategyiswhereastablemachinecapacityandworkforcearemaintainedwithaconstantoutputratewithinventorylevelsfluctuatingovertime・
Answer:
FaIse
Difficulty:
Hard
17.MoststrategiesthatanaggregateplanneractuaIlyusesareincombination,andarereferredtoasmixedstrategies・
Answer:
True
Difficulty:
Easy
18.Ahighlyeffectivetoolforacompanytousewhenittriestomaximizeprofitswhilebeingsubjectedtoaseriesofconstraintsisaggregateprogramming.
Answer:
FaIse
Difficulty:
Moderate
19.ToimprovethequaIityoftheseaggregateplans,forecasterrorsmustbetakenintoaccountwhenformulatingaggregateplans・
Answer:
True
Difficulty:
Moderate
20.Forecastingerrorsaredealtwithinaggregateplansusingeithersafetybacklogorsafetycapacity.
Answer:
FaIse
Difficulty:
Moderate
21・Safetyinventoryisdefinedasinventoryheldtosatisfydemandthatishigherthanforecasted・
Answer:
True
Difficulty:
Easy
22.Safetycapacityisdefinedascapacityusedtosatisfydemandthatislowerthanforecasted・
Answer:
FaIse
Difficulty:
Easy
23.Companiesshouldworkwithdownstreampartnerstoproduceforecastsandwithupstreampartnerstodetermineconstraintswhendoingaggregateplanning.
Answer:
True
Difficulty:
Easy
24.TheaggregateplanshouIdbeviewedprimarilyasanin-housetoolthatdoesnotneedtobecommunicatedtosupplychainpartners・
Answer:
FaIse
Difficulty:
Easy
25.Giventhatforecastsarealwayswrongtosomedegree,theaggregateplanneedstohavesomeflexibiIitybuiltintoitifitistobeuseful・
Answer:
True
Difficulty:
Moderate
26.AmanagershouldperformsensitivityanalysisontheinputsintoanaggregateplantochoosethebestsolutionfortherangeofpossibiIitiesthatcouldoccur・
Answer:
True
Difficulty:
Moderate
27.Asinputsintotheaggregateplanchange,managersdonotneedtomakechangestotheaggregateplan・
Answer:
FaIse
Difficulty:
Easy
28.AscapacityutiIizationincreases,itbecomeslessimportanttoperformaggregateplanning・
Answer:
FaIse
Difficulty:
Moderate
MultipleChoice
Theprocessbywhichacompanydetermineslevelsofcapacity,production,subcontracting,inventory,stockouts,andevenpricingoveraspecifiedtimehorizonis
a.aggregateplanning・
b・detaiIplanning・
c.inventoryplanning.
d・salesplanning.
e・alIoftheabove
Answer:
a
Difficulty:
Moderate
2.Thegoalofaggregateplanningisto
a.dissatisfycustomersinawaythatmaximizesprofit・
b・dissatisfycustomersinawaythatminimizesprofit・
c.satisfydemandinawaythatmaximizesprofit・
d・satisfydemandinawaythatminimizesprofit・
e.noneoftheabove
Answer:
c
Difficulty:
Easy
3.Aggregateplanningsolvesproblemsinvolving
a.aggregatedecisionsandstockkeepingunit(SKU)leveldecisions.b・aggregatedecisionsorstockkeepingunit(SKU)leveldecisions・
c.aggregatedecisionsratherthanstockkeepingunit(SKU)leveldecisions・
d・stockkeepingunit(SKU)leveldecisionsratherthanaggregatedecisions・
e.bandconly
Answer:
c
Difficulty:
Easy
4.Aggregateplanning,tobeeffective,requiresinputsfrom
a.aIIcustomers・
b・aIIdepartments・
c.aIIsuppIiers・
d・throughoutthesupplychain・
e.throughoutthecompany.
Answer:
d
Difficulty:
Moderate
5.Muchofaggregateplanninghastraditionallybeenfocused
a.onshort-termproductionscheduling・
b・oncustomerrelationshipmanagement・
c.withinanenterprise・
d・beyondenterpriseboundaries・
e.alIoftheabove
Answer:
c
Difficulty:
Moderate
6.Whichofthefollowingarenotoperationalparameterstheaggregate
plannerisconcernedwith
a.productionrate
b・workforce
c.overtime
d・backorders
e.inventoryonhand
Answer:
d
Difficulty:
Moderate
7.TheoperationalparameterconcernedwiththenumberofunitscompIetedperunittime(suchasperweekorpermonth)is
a.productionrate・
b・workforce・
c.overtime・
d・backlog・
e.inventoryonhand.
Answer:
a
Difficulty:
Easy
8.Theoperationalparameterconcernedwiththenumberofworkers/unitsofcapacityneededforproductionis
a.productionrate・
b・workforce・
c.overtime.
d・backlog・
e.inventoryonhand.
Answer:
b
Difficulty:
Easy
9.TheoperationsIparameterconcernedwiththeamountofovertimeproductionplannedis
a.productionrate・
b・workforce・
c.overtime・
d・backlog・
e.inventoryonhand.
Answer:
c
Difficulty:
Easy
10.Theoperationalparameterconcernedwithdemandnotsatisfiedintheperiodinwhichitarises,butcarriedovertofutureperiodsis
a.productionrate・b・workforce・c.overtime.
d・backlog・
e.inventoryonhand.
Answer:
d
Difficulty:
Easy
TheoperationsIparameterconcernedwiththeplannedinventorycarriedoverthevariousperiodsintheplanninghorizonis
a.productionrate・
b・workforce・
c.overtime・
d・backlog・
e.inventoryonhand.
Answer:
e
Difficulty:
Easy
12.Theoperationalparameterconcernedwiththenumberofunitsofmachinecapacityneededforproductionis
a.machinecapacityIeveI.
b・subcontracting・
c.overtime・
d・backlog・
e.inventoryonhand.
Answer:
a
Difficulty:
Easy
13.Theoperationalparameterconcernedwiththesubcontractedcapacityrequiredovertheplanninghorizonis
a.machinecapacityIevel・
b・subcontracting・
c.overtime・
d・backlog・
e.inventoryonhand.
Answer:
c
Difficulty:
Easy
14.
Theaggregateplan
a.servesasabroadblueprintforoperations・
b.estabIishestheparameterswithinwhichshort-termproductionanddistributiondecisionsaremade・
c.aIIowsthesupplychaintoaltercapacityallocationsandchangesupplycontracts・
d.alIoftheabove
e.bandconly
Answer:
d
Difficulty:
Moderate
15.Aggregateplanningisconcernedwithdetermining
a.theproduct!
onlevel,saleslevel,andcapacityforeachperiod.
b・thedemandlevel,inventorylevel,andcapacityforeachperiod.
c.theproductionlevel,inventorylevel,andcapacityforeach
period.
d・theproductionlevel,staffinglevel,andcapacityforeachperiod.
e.noneoftheabove
Answer:
c
Difficulty:
Moderate
16.
Tocreateanaggregateplan,acompanymustspecify
a.
b
c.
d.
theplanninghorizonforthepIan.
thedurationofeachperiodwithintheplanninghorizon.keyinformationrequired・
alIoftheabove
e.aandbonly
Answer:
d
Difficulty:
Moderate
17.Theplanninghorizonis
a.thetimeperiodoverwhichtheaggregateplanistoproduceasolution.
b・thedurationofeachtimeperiodintheaggregateplan・
c.thelengthoftimerequiredtoproducetheaggregateplan・
d・thesolutiontotheaggregateplan・
e.noneoftheabove
Answer:
a
Difficulty:
Easy
18.Thelengthoftheplanninghorizonisusuallybetween
a.oneandthreemonths・
b・threeandeighteenmonths・
c.oneandthreeyears・
d・threeandfiveyears・
e.noneoftheabove
Answer:
b
Difficulty:
Moderate
19.Whichofthefollowingisnotinformationneededbytheaggregate
planner
a.demandforecastforeachperiodintheplanninghorizon
b・productioncosts
c.laborcosts
d・costofsubcontr
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