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第1題Therearemanycriteriatoclassifyships.Themostprevalentclassificationisbasedon_____.ApropulsionplantBengineroomlocationCshipusageDshipnavigatingarea第2題Whichofthefollowingisakingofworkingship?_____AResearchshipBBulkcargoshipCLiquefiedgasshipDContainership第3題Whichofthefollowingengineshasnosignificanteffectsonenergysavingandemissionreduction?_____AElectronic-controlledinjectiondieselengineBGasturbineCGasengineDDualfuelengine第4題Oceantransportationisthemostimportantmodeofdifferenttransportationsininternationaltrade.Abouthowmuchinternationaltradedoesitbear?_____。A0.3B0.5C0.7D0.9第5題Whatis(are)thespecialsignificance(s)ofshippingindustryforChina?_____AOceantransportationisthemostimportantmodeofdifferenttransportationsininternationaltrade.BThedevelopmentofshippingindustryistheneedofbuildingapowerfulcountryintransportation.CThedevelopmentofshippingindustryistheneedofbuildingapowerfulcountryinmaritime.DAlloftheother

items第1題Theconceptof"marineengineering"wasintroducedinthe__________centurywiththecompletionofthe"Clement"ship.A17B18C19D20第2題Accordingtothedifferentfunctionsofvariousdevices,machinery,equipmentandsystemsthatconsistthemarineengineering,theycanbedividedintosevenparts,including__________,auxiliaryequipment,pipelinesystems,deckmachineries,antipollutionequipment,automationequipmentandspecialequipmentandsystems.ApowerplantBfirefightingequipmentCpropulsionplantDBoilersystem第3題_______isusedtoconvertthemechanicalenergydeliveiedbythemainengineintothrust,soastodrivetheshipaheadorastern.APropellerBShaftingCFinstabilizerDRudder第4題Thebowthrusterandstabilizeroftheshiparebelongedtothe_____oftheship.AautomationequipmentBdeckmachineryCauxiliarydeviceDpipingsystem第5題_____doesnotbelongingtoshippropulsionequipment.APaddlewheelBPropellerCWaterjetpropulsionDSteeringgeer1.3WorkingParametersofMarinePowerPlant第1題Whichofthefollowingoptionsarethebasicoperatingparameterofmarinepowerplant?_____ATemperature,speed,torque,humidityBLiquidlevel,flow,speed,lengthCPower,displacement,density,massDPressure,liquidlevel,flow,speed第2題Therearemanykindsofpressureunits,and"bar"isoneofthemcommonlyusedonboardships.1bar=_____Mpa.A10B1C0.1D0.01第3題The______ofdieselengineiscalculatedbymeasuringitsindicatordiagram.AindicatedpowerBoutputpowerCtorqueDcrankshaftspeed第4題Whichofthefollowingdescriptionsiswrongaboutthecontrolofanairconditioner?_____AThecontrolpositioncanbedividedintoremotecontrolandlocalcontrol.BInlocalcontrol,theautomaticcontrolsystemalsoneedstowork.CIftheremotecontroldoesn'twork,theairconditionerwon'twork.DIncaseofcontrolsystemfailure,manualcontrolmodecanbeadopted.1.4PerformanceIndexesofMarinePowerPlant第1題TherelationshipbetweenthepropelleroutputpowerP1andthemainengineoutputpowerP2is_____.AP1>P2BP1CP1=P2Dnone第2題Charteringashipwith"VoyageCharter"typeissimilartotakingataxi.Inthisprocess,whichofthefollowingcostsshouldbetakenbytheshipcharterer?AShipbuildingcostBCrewwagesCFuelcostDNoneoftheother

items第3題Charteringashipwith"TimeCharter"typeissimilartocharteringacarforoneormoredayswhenwehaveatravel.Inthisprocess,whichofthefollowingcostsshouldbetakenbytheshipcharterer?AcrewwagesBshiprepaircostCfuelcostDshipbuildingcost第4題Charteringashipwith"BareboatCharter"typeissimilartorentingacarfromthecompanytooperatebyataxidriver.Inthisprocess,whichofthefollowingcostsshouldbetakenbytheshipowner?AShipbuildingcostBCrewwagesCFuelcostDAlloftheother

items第5題Whentheoilpriceisveryhigh,thecostofoilsavingandcostreductionaredominant;whenthefreightisveryhigh,theincreaseofpassengerandfreightturnoverisdominant.Thissentencedescribesthe_____.AmaximumprofitablespeedBminimumfuelcostspeedCminimumfuelconsumptionspeedDaveragespeed第6題Innavigation,______areoftenusedtoexpressthespeedofaship.AknotBkm/hCm/sDrpm2.1MarinePropulsionPlant第1題"Thetrainrunsfast,alldependsontheheadofthecar;theboatrunsfaster,thepowerisveryimportant."The"power"herecomesfromthe_____.AshippropulsionplantBshipelectricpowerplantCboilerequipmentDshippropeller第2題Generally,themainenginerotatesanddrivesthepropellerthrough_____.AChainBBeltCShaftingDGear第3題Areductiongearboxisarrangedbetweenthepropellerandthesteamturbineofthenuclearpowerpropulsiondevice,thepurposeofwhichisto_____.AprotecttheshaftingBimprovepropellerefficiencyCsavefuelDtoensurethesafetyofshipnavigation2.2MainDieselEngine第1題Howistheignitionofdieselenginecylinderrealized?ACompressionBSparkplugignitionCExternalignitionDLowerignition第2題Thepistonrunsupanddowntwice,andthecrankshaftturnstwicetocompleteacycle.Wecallthiskindofdieselengine"_____".AtwostrokedieselengineBfourstrokedieselengineChighspeeddieselengineDlowspeeddieselengine第3題SCRtechnology,thatis,selectivecatalyticreductiontechnology,isusedtodealwiththe"_____".ASOxBCO2CNOxDN2第4題14RT-flex96Cdieselenginehas_____cylinders.A96B14C9D62.3Propeller第1題Theinventionofpropellercanbetracedbacktothe_____morethan1400yearsagoinChina.AwindmillBwoodenboatCpuppetDbamboodragonfly第2題Insomecommercialships,inordertomakethemainenginedonothavetorotateinthereversedirection,wechoose"_____".AControllablepitchpropellerBCo-axialcontrarotatingpropellerCShroudedpropellerDFixedpitchpropeller第3題Thethrustandresistingmomentofthewholepropellercanbeobtainedbyintegratingthethrustandresistingmomentofallthe_____.AbladerootBbladeelementCbladetipDbladeedge第4題Slipratioisaveryimportantparametertostudythehydrodynamicperformanceofpropeller.Slipratio=_____/_____.Aadvance/diameterBdiameter

/

advanceCslip

/

pitchDpitch

/

slip2.4TransmissionShafting第1題Shaftingincludes_____,_____,_____,thrustbearing,intermediatebearing,bowbearing,sternbearingsupportingtheseshafts,aswellassomeaccessoriesofshafting,suchassealing,coolingandlubricatingequipmentofsterntube.Acrankshaft,intermediateshaft,propellershaftBthrustshaft,transfershaft,propellershaftCthrustslider,intermediateshaft,propellershaftDthrustshaft,intermediateshaft,propellershaft第2題Themainengineisfixedwiththehullthroughthe_____.ApropellerBshaftingCsealingdeviceDbedplate第3題Theintermediatebearingoftheshaftingisdividedintoupperandlowerhalves,whicharefixedbybolts,sothatitisconvenientto_____.AshaftinginstallationandbearingwearinspectionBtransmittorqueCimprovethelubricationcapacityofshaftingDpreventshaftingfromrusting第4題Themainengineoftheshipisintheengineroom,andthepropellerisoutsidetheenginebody._____connectsthem.AHullBTransmissionshaftingCShaftgeneratorDDeck3.1IntroductiontoMarineElectricalPowerSystem第1題Inoceangoingships,whichengineofthefollowingisgenerallyusedtodrivethegenerator?_____.AWaterturbineBFanCGasturbineDDieselengine第2題TheratedfrequencyofthemarineACpowersystemusedinChinais_____.A55Hz

B70Hz

C50Hz

D60Hz第3題Electricpowerisanindispensablepartoftheship,sowhatdevicedoestheshipusetorealizethedistribution,conversionandcontrolfunctionsofelectricpower?_____APowersupplyunitBDistributiondeviceCPowernetworkDLoad第4題Comparedwiththeelectricalpowersystemonland,onboardship,thetotalpoweroutputis_____,thevalueofratedvoltageis_____,anditis_____totheloadchange.Alower/higher/moresensitiveBlower/lower/moresensitiveChigher/higher/lesssensitiveDhigher/lower/lesssensitive3.2MarineGeneratorsandSwitchboard第1題Inmaneuveringofaship,thenumberofgeneratorsetswhichareinworkingisgenerallynotlessthan_____sets.A1B2C3D4第2題Themostcommonlyusedtypeofmarinegeneratoris_____。Afourphases,brushless,AC,synchronousgeneratorBfourphases,brushless,DC,synchronousgeneratorCthreephases,brushless,DC,synchronousgeneratorDthreephases,brushless,AC,synchronousgenerator第3題Whichofthefollowingcontrolpanelsisusedtostartandstopthegenerator,setparametersandimplementrelevantprotection?_____。ACombinedstartuppanelBLoadpanelCGeneratorcontrolpanelDParallelpanel第4題Whichofthefollowingstatementsabout"paralleloperation"onboradshipiswrong?_____AParalleloperationcanbeusedtodescribetheparalleloperationofauxiliaryengines.BParalleloperationcanbeusedtodiscribetheparalleloperationofgeneratorsets.CParalleloperationofauxiliaryenginesandparalleloperationofgeneratorsetsareverydifferentoperations.DParalleloperationcanbecarriedouteithermanuallyorautomatically.4.1MarinePipingSystem第1題Whichofthefollowingisaimpellerpump?_____AGearpumpBScrewpumpCCentrifugalpumpDJetpump第2題Whenwetalkabout_____,theinjectorformedicalpurposeandhandairpumpforbycicletirecouldbementioned.AejectpumpBcentrifugalpumpCscrewpumpDreciprocatingpump第3題Onboardship,whatcolorarethefire-fightingpipesusuallypaintedwith?_____ARedBOrangeCBlueDYellow第4題Inpipingsystemsonboardship,theequipmentusedtocontroltheon-offofmediumis_____.AvalveBpumpCflangeDsensor4.2CompressedAirSystem第1題Thestartingmodeofthelarge,low-speed,two-strokedieselengineonboardshipis_____.AmotorstartBcompressedairstartCbatterystartDmanualstart第2題Theshipisgenerallyequippedwithtwomainaircompressors,oneformainuseandoneforstandby.Thestartandstopofaircompressoristhrough_____tocontrolit.AtemperatureswitchBpressureswitchCflowsensorDtemperaturesensor第3題Thecompressedairpressureusedforairstartingmotoronboardfourstrokedieselengine(dieselengineforpowergeneration)isgenerallyabout_____bar.A30B50C20D84.3FuelOilSystem第1題Whichofthefollowingfuelsisusedbyoceangoingmerchantshipsinnormalnavigation?_____AGasolineBKeroseneCHeavyfueloilDPetrolgas第2題Thefueloilintheheavyoildailyservicetankisgenerallyheatedto_____℃.A50-55B60-65C100-105D80-85第3題Onboard,theequipmentforheavyoilpurificationgenerallydoesnotincludethe_____.AoilseparatorBoilwaterseparatorCselfcleaningfilterDfinefilter第4題_____isgenerallynotincludedinthefuelusedforthemainengineoftheship.ADieseloilBHeavyoilCLowsulfurheavyoilDGasoline第5題Inthefuelsupplysystemofmarinedieselengine,thedisplacementofthesupplypumpshouldbe_____thefuelconsumptionofthemainenginetoensurethatthemainenginecangetenoughfuelsupply.AmorethanBequaltoClessthanDAorBorC4.4SteamSystem第1題Inships,thefueloilisusuallyheatedby_____.AelectricBsteamCwastegasDhotwater第2題Theratedpressureofsteaminmarineauxiliaryboilerisgenerally_____.A20barB30barC15baD7bar第3題Theparameterrepresentingtheamountofsteamproducedbytheboilerperhouris_____.AsteampressureBevaporationcapacityCefficiencyDevaporationrate第4題Steamfromboilersisusedinmanyplacesonboard.Whichofthefollowingboilersdoesnotneedtoconsumefueldirectly?AMainboilerBOilfiredauxiliaryboilerCExhaustgasboilerDOilandexhaustgascombinedboiler第5題_____ofthefollowingequipmentisnotapartoftheship'ssteamsystem.ASteamheaterBHotwellCAtmosphericcondenserDIncinerator4.5LubricationoilSystem第1題Inthelubricatingoilsystemofthemainengine,thefunctionof_____istoadjusttheamountoflubricatingoilenteringthelubricatingoilcooleraccordingtothetemperatureofthelubricatingoil.AselfcleaningfilterBlubricationoilpumpCthree-wayvalveDby-passfilter第2題Thecylinderlubricationsystemofalargetwo-strokedieselengineisusuallyakindof_____.AdrysumplubricationsystemBwetsumplubricationsystemCsplashlubricationDtotallosslubricationsystem第3題Thecylinderlubricationsystemofasmallfourstrokedieselengineisusuallyakindof

_____.AdrysumplubricationsystemBwetsumplubricationsystemCsplashlubricationDtotallosslubricationsystem第4題Inthecombustionprocessofdieselengine,therewillbeapartofcombustionproductsleftonthecylinderliner,inwhichthecomponentthatwillcorrodethecylinderlineris_____.AcarbonBhydrogenCsulfurDwater4.6CoolingWaterSystem第1題Thefunctionofthedieselenginesuperchargeristoincreasethe_____pressureintothecylinder,soastoburnmore_____andmakethedieselenginetoproducemore_____.Acoolingwater/fuel/wastegasBair/fuel/powerCcoolingwater/fuel/powerDair/fuel/wastegas第2題Themaincomponentormediumtobecooledinmarinedieselengineis(are)_____.Acylinderhead,cylinderlinerBchargeairClubricatingoilDalloftheother

items第3題Afterfreshwatercomesoutofthemainengine,itentersintothecylinderlinerwatercoolerthroughthethree-wayvalve.Thethree-wayvalveisusedtoensurethatthetemperatureofthecylinderlinerwatercomingoutofthemainengineisabout_____℃.A85B75C65D55第4題Theadvantageofplatecooleris_____.AhighheatexchangeefficiencyBlargeheatexchangeareaCcompactstructureDAlloftheabove第5題Inthemarinecentralcoolingwatersystem,_____isusedtodirectlycoolthecylinderlinerofthemainengine._____AseawaterBlowtemperaturefreshwaterChightemperaturefreshwaterDcompressedair5.1HydraulicSystem第1題Amongthecontrolelementsthatmakeupthehydraulicsystem,theonethatcancontrolthemovementspeedoftheactuatoris_____.AdirectioncontrolvalveBflowcontrolvalveCpressurecontrolvalveDtemperaturecontrolvalve第2題Inthehydraulicsystem,whichofthefollowingtypesofhydraulicpumpsisnotcommonlyused?____AGearpumpBCentrifugalpumpCPlungerpumpDVanepump第3題Inthehydraulicsystem,tochangethespeedofthehydraulicmotor,youcanchange____toachieve.AthefluidflowtohydraulicmotorBthedisplacementofhydraulicmotorCAorBDthenumberofhydraulicmotors第4題Inthehydraulicsystem,therelationshipamongthedisplacementQofthehydraulicmotor,thesystemoilpressurePandthetorqueMofthehydraulicmotoristhat____.AwhenQisconstant,thehigherPis,thelargerMisBwhenQisconstant,thehigherPis,thesmallerMisCwhenPisconstant,thelargerQis,thesmallerMisDthereisnorelationshipbetweenthethree第5題Whichofthefollowingadvantagesisnotavailableinthehydraulicsystem?_____AHighpowertomassratioBFlexiblesystemlayoutCLowprecisionrequirementsforhydrauliccomponentsDEasytorealizewiderangespeedregulation5.2SteeringGear第1題Theturningmoment(i.e.rudderefficiency)_____withtheincreaseofrudderangle,whichis_____tothesubmergedareaofrudderbladeand_____tothesquareofflowvelocityatrudderblade.Aincreases/directlyproportional/directlyproportionalBincreases/inverselyproportional/directlyproportionalCincreases/directlyproportional/inverselyproportionalDdecreases/directlyproportional/directlyproportional第2題Whichofthefollowingiswrongabouttheship'ssteeringefficiency?_____ADuringtheperiodofberthinganddeparting,duetothelowspeed,thesteeringefficiencyisverypoor.BLargeshipsusuallyneedtugstoassistinberthinganddeparting.CWhenturningtherudder,theshipwilldriftandincline.DWhentheshipissailingathighspeed,inordertoreducetheturningtime,thesteeringangleshouldbeaslargeaspossible.第3題Pumpcontrolledhydraulicsteeringgearisgenerallydesignedwith_____pumpsand_____hydraulicsystem.Abidirectional,

variabledisplacement/opencircuitBsingledirection,fixeddisplacement/opentypeCbidirectional,

variabledisplacement/

closedtypeDsingledirection,fixeddisplacement/

closedtype第4題_____isanemergencyrudderintheremotecontrolmode.Itdoesnotneedtheparticipationoftheautomaticcontrolsystem.Itcanbeusedwhenthemainpowersystemorthecontrolsystemfails.ABalancerudderBNon-follow-upCFollow-upDSemi-balancedrudder5.3Crane第1題Forshipliftingequipmentwithveryheavyload,_____drivingmodeisgenerallyadopted.AmanualBelectricCautoDelectro-hydraulic第2題Thecranegenerallyhavethestructureof_____、_____and_____.Ahoisting,luffing,rotatingBhoisting,reversing,rotatingCluffing,reversing,rotatingDhoisting,luffing,reversing第3題Thebasictechnicalrequirementsforthehydrauliccraneinclude_____.AreverseorreversingcapabilityBSpeedregulationandspeedlimitCBrakingequipmentandlockingdeviceDalloftheother

items第4題Theliftingcapacityofthemarinecraneislimited.Forlargebulkcarrierswithacapacityofmorethan_____tons,inordertoensuretheloadingandunloadingefficiency,theonshoreliftingequipmentisgenerallyused.A10,000B30,000C50,000D100,0005.4WindlassandMooringWinch第1題Thebreakdownofacarontheroadissimilartothe____ofships.AstandbyanchorageBanchorageforavoidingwindCanchorageformaintenanceDanchorageforwaitingpilot第2題Whichofthefollowingdescriptionsiswrongwithrespecttotheanchorageofshipanditswindlass?____ADuringmaneuvering,theshipusuallyneedstoprepareanchors.BAftertheshipisanchored,itisnecessarytolightuptheanchoringlightsinthedaytime.CThesizeofanchorchainisrelativelylarge,soitcannotbewindedonthewildcatofwindlass.DAnchorsandchainscanbediscardedinanemergency.第3題Theequipmentusedforstrandingandmooringofshipiscalledmooringarrangement,whichismainlycomposedofmooringlines,fairleads,bollards,_____,ropecars,bumpers,etc.AwindlassmachineryBcargowinchCwinchDsteeringengine第4題Whenthetideishigh(thedistancebetweenthewinchandthecablebollardontheshorebecomessmaller),theautomaticwinchwill_____.AretractcableBreleasecableCliftanchorDloweranchor5.5ThrustersandStabilizers第1題Therearemanyadvantagesofshipsidethruster.Whichofthefollowingisnotcorrect?AImprovethemaneuverabilityoftheshipBReducethestartingandreversingtimesofthemainengineCShortenthetimetoberthDReduceenginenoise第2題Accordingtothedifferentarrangementposition,thethrustercanbedividedintobowthruster,sternthruster,inboardtypeandoutboardtype.Forgeneralships,theinstallationof_____canmeettheneedofmaneuverability.AbowthrusterBsternthrusterCstarboardsidethrusterDportsidethruster第3題Uptonow,themostwidelyusedandmosteffectiveoneofactivestabilizingsystemsis_____.AbilgekeelBactiveantirollingtankCfinstabilizerDpassiveantirollingtank第4題Onboardships,thesidethrustersareusedat_____shipspeed,andthefinstabilizersareusedat_____shipspeed.So,theyaregenerally_____atthesametime.Alow/high/notusedBhigh/low/notusedClow/low/usedDhigh/high/used第5題Theequipmentthatwillnotbeusedwhentheshipisberthedis_____.AmainengineBwinchCfinstabilizerDbowthruster6.1BallastWaterSystem第1題Thearrangementofballastpipingsystemoneachshipisdifferent,butitcanbebasicallydividedintotwoforms,oneisbranchpipetype,andtheotheris_____.AmainpipetypeBsinglepipetypeCmultipipetypeDdualpipetype第2題Abasiclayoutprincipleofballastwatersystemiswhattypeofinletvalveofballasttankcannotbeused?_____AGlobevalveBButterflyvalveCCheckvalveDHydraulicvalve第3題Duringtheloadingandunloadingprocessoftheship,theballastwatersystemmaybeoperatedaccordingly.Whichstatementsinthefollowingiscorrect?_____

AForwardcargoholdloading,forepeaktankballastingBForwardcargoholdloading,forepeaktankdeballastingCForwardcargoholdloading,aftpeaktankdeballastingDForwardcargoholdloading,noballastwatertankoperating

6.2BilgeWaterSystem第1題Hazardsofbilgewaterinclude_____,wetgoodsandequipment,affectthestabilityoftheship,causetheshiptorollover,andendangerthesafetyoftheship.AcorrodethehullBnoisegenerationCcausewearDshipcollision第2題Whichofthefollowingareasisoilybilgewaterproduced?_____ACargoholdareaBEngineroomCEmptycabinDDrycompartment第3題Inthefollowingdevices,_____doesnotbelongtobilgesystemofengineroom.AbilgepumpBbilgewellCemergencybilgesuctionvalveDoilseparator第4題Regardingthetreatmentofbilgewater,whichofthefollowingstatementsisincorrect?_____AThebilgewaterofthecargoholdwithoutoilcanbedirectlydischargedoverboardwithouttreatment.BUndernocircumstancescanoilybilgewaterentertheseadirectly.CForthesakeoflifesafetyandshipsafety,theoilybilgewatercanbedirectlydischargedoverboardifnecessary.DTheoilywaterseparatorisgenerallyusedtotreatthebilgewaterofengineroomcontainingoil.6.3Fire-FightingSystem第1題Generallyspeaking,firecanbedividedintosolidfire,liquidfire,gasfire,metalfireand_____fireetc.accordingtothedifferentcombustionmaterials.AelectricBoilCnaturalgasDalloy第2題Whenshipfireisrelativelylargeandportablefireextinguishersarenotenough,fixedlarge-scalefire-fightingsystemwillbeused._____doesnotbelongtothelarge-scalefireprotectionofthefollowing.APontoonfireextinguisherBFirewatersystemCCarbondioxidefirefightingsystemDFoamfirefightingsystem第3題Thefirewatersysteminresidentialbuildingsandshoppingmallsissimilartothatonships,butthedifferenceisthatthefire-fightingwateronlandisgenerallyfreshwaterprovidedbythetapwaternetwork,andthefire-fightingwateronshipsisgenerallyseawaterprovidedby_____.AfirepumpBemergencyfirepumpCdailywaterpumpDAorB第4題Itisaverydangeroussituationforashiptohaveafire.Fortheelectricfireofthebridgeinstrument,the_____extinguishershouldbeused.AwaterbasedBdrypowderCfoamDcarbondioxide6.4RefrigerationSystem第1題Therearemanymethodsofrefrigeration,suchascompressionrefrigeration,absorptionrefrigerationandjetrefrigeration,etc.Themostwidelyusedmethodonboardis_____.AjetrefrigerationBabsorptionrefrigerationCexhaustrefrigerationDcompressionrefrigeration第2題Inthecompressionrefrigerationsystem,therefrigerantliquidwithlowtemperatureandhighpressurechangesintotheliquidwithlowtemperatureandlowpressurethroughthe_____.AexpansionvalveBcondenserCcompressorDevaporator第3題Inordertoensureamoreuniformtemperatureinthecoldstorage,theevaporatorinthecoldstorageisalsoequippedwithafan,whichiscalled"_____".ARefrigeratorBAircoolerCThermostatDBlower第4題Thecoldstorageonboardplaysanimportantroleinensuringthecrew'sfood.Thedevicethatabsorbsheatinthecoldstorageis_____.AcompressorBcondenserCexpansionvalveDevaporator6.5AirConditioningSystem第1題Asforairconditioning,China'snationalstandardstipulatesthatthetemperatureisabout_____℃inwinterand_____℃insummer,whichcannotonlymeetpeople'scomfortrequirements,butalsoachieveenergyconservationandemissionreduction.A22/26B26/22C25/25D24/24第2題Thetemperatureandhumidityofthecabinareregulatedbytheairconditioneronboardship.Theairconditionerisinternallyarrangedwithfan,heaterand_____.AcondenserBfueloilcoilCcoolerDairdistributor第3題Foradualductsystem,adjustingtheairdistributorisusedtoadjust_____.AairsupplyvolumeofairdistributorBratioofprimarywindtosecondarywindCwindspeedDtemperature第4題Generallyspeaking,theairconditioningofoceangoingshipshas_____effect.ArefrigerationBheatingChumidificationDalloftheother

items7.1TreatmentforOilyWater,BallastWaterandSewage第1題Forshipswithlongvoyagetimeandmoredomesticsewage,thesewageshouldbetreatedandthendischargedoverboard.Whichofthefollowingtreatmentmethodscannotbeusedinthiscase?_____AFiltrationmethodBPhysicochemicalmethodCBiochemicalmethodDMixedtreatmentmethod第2題Whichofthefollowingseparationmethodsisnotcommonlyusedbyoilywaterseparator?_____APhysicalseparationBChemicalseparationCElectrolyticseparationDElectroflotationseparation第3題Whichofthefollowingtechnologiesisnotcommonlyused

forballastwatertreatment?_____AFiltrationandultravioletlightBFiltrationandElectrocatalysisCCentrifugationDHydroxylradical7.2TreatmentforGarbage第1題AccordingtothedataanalysisofTempoin2019,thecountrywiththelargestpercapitawasteoutputis_____.ACanadaBBulgariaCAmericaDChina第2題Therearefourkindsoftrashcansonboard,whicharered,green,blueandblack.Amongthem,thegreenoneisusedtocollect_____.AdomesticgarbageBplasticwasteCoperationwasteDfoodwaste第3題Amongthefollowingwastes,_____cannotbeincineratedbyordinarymarineincinerator.AplasticBdirtyoilCpaperDfoodwaste第4題WhereisthefirstareainmainlandChinatoenforcegarbageclassificationintheformoflegislation?_____ABeijingBDalianCGuangzhouDShanghai7.3TreatmentforExhaustGas第1題InJuly2018,thethree-yearactionplantowintheblueskydefensewarreleasedbytheStateCouncilproposedthatby2020,thetotalemissionsofsulfurdioxideandnitrogenoxideswillbereducedby_____atleast.A0.2B0.18C0.15D0.12第2題_____isaredbrown,asphyxiatingodorgas,whichcanseriouslystimulatetherespiratorysystem,nitrationhemoglobinintheblood,andaffecttheheart,liver,kidneyandhematopoietictissueofthehumanbody.ANO2BNOCSO2DCO第3題Intheclosed-loopwashingtower,thewashingwaterhasbeenrecycled.Withtheincreaseofwashingtime,theacidinthewashingwaterwillgraduallyincrease,and_____isgenerallyusedforneutralizationonboard.ACa(OH)2BNaOHCKOHDNH3·H2O第4題Theship'ssmokeemissionwillseriouslydamageouratmosphericenvironment.Thewaterwashingmethodisappli

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