第1題Modernshipbuildingtechnologyisdividedintothreedifferenttypes:hullandsuperstructureconstruction,outfittingandpainting,whichareneitherrelatednoraffecteachother.第2題Themodernshipbuildingmodelorganizesproductionaccordingtoasystemorientation.第3題Theshipbuildingmodelreferstothebasicprinciplesandmethodsoforganizingshipbuildingproduction.第4題Shipbuildingisanapplieddisciplinethatstudiesthemanufacturingmethodsandprocessesofsteelships.AWeldingofhullsBHullaccessoriesCsuperstructureDPowerequipment正確答案：AC第5題Themainapplicationprincipleofthemodernshipbuildingmodelis().AMergetechnologyBWeldingtechnologyCDecompositiontechniquesDGroupingtechniques第6題Shipproductsaredecomposedaccordingtotheprincipleofengineeringdecomposition,andtherearethreemaindecompositionmethods,whichareaccordingto(),()and().ATheconstructionislongBConstructionareaCProcessstageDThetypeofproductionjob正確答案：BCD第7題Accordingtotheprincipleofengineeringdecomposition,shipconstructionisdecomposedaccordingtotheconstructionarea,whichcanbedividedintothefollowing?ACabinareaBBallastzoneCCargocompartmentareaDSuperstructureresidentialarea正確答案：ACD第8題Accordingtotheprincipleofengineeringdecomposition,shipconstructionisdecomposedaccordingtotheprocessstage,whichcanbedividedintothefollowing?AHullconstructionstageBOutfittingstageCPilotphaseDPaintingstage正確答案：ABD第1題Theonlymaterialsusedforshipbuildingaremetal.第2題Theworkplacewheretheshipisfinallyassemblediscalledaslipwayordock.第3題Steelpretreatmentandnumberingworkbeginsafterthecomponentmachiningphase.第4題Steelpretreatmentreferstotheprocessofmechanicalleveling,(),()and()ofhullsteelplates.ASandblastingBRustremovalCBentshapeDPaintprotection正確答案：ABD第5題Thecomponentprocessingworkincludes()and()twoparts.AAssemblyofcomponentsBFormingprocessingCPlatelevelingDEdgemachining正確答案：BD第6題Theformingprocessingofwaterandfirebendingbelongstothecoldformingprocessing.第7題Whichofthefollowingisthegeneralmanufacturingorderofintermediateproducts?APart-Segment-TotalSegmentBSegment-Part-TotalsegmentCSegment-Totalsegment-PartDSegment-Part-Totalsegment第8題Therearemanywaystolaunchships,whichofthefollowingarecommon?ATidallaunchBGravitylaunchingCFloatinglaunchDMechanicallaunching正確答案：BCD第9題Shiptestingcanbedividedintotwophases,whichofthefirststagearethefollowing?ASailingtestsBDynamictestCMooringtestDTilttest正確答案：CD第10題Afterthecompletionofvarioustestsoftheship,theshipyardcanhandovertheshiptotheowner.2.1.2Assignments第1題Themainhullisawatertighthollowstructureenclosedby(),(),().ABottomoftheshipBsuperstructureCBroadsideDUpperdeck正確答案：ACD第2題Whichofthefollowingfallsunderproductiondesign.APreliminarydesignBDetaileddesignCHullproductiondesignDOutfittingproductiondesign正確答案：CD第3題ThelargertheL/B,theslimmertheboatandthelessresistanceithaswhennavigatingthewater.第4題Atthemiddlecross-sectionoftheship,theverticaldistancefromthedeckedgetothefloorplate.第5題Theoutersurfaceoftheouterplateofasteelshipiscalledthetypesurfaceofthehull.第6題Productiondesignsolvestheproblemof"whatshiptobuild".第7題Preliminarydesignisalsoknownascontractdesign.第8題()referstothehorizontaldistancebetweentheveryfrontandrearendsofthehullsurface,includingthesuperstructure.AOveralllengthBDesignwaterlinelengthCThelengthbetweentheperpendicularlines第9題Whichofthefollowingparametersdescribetheheightofaship?ADeckthicknessBTypedepthCdraftDFreeboard正確答案：BCD第10題Thesizeofthewaterlinesurfacecoefficientindicatesthefatandthindegreeofthewaterlinesurface.第11題Themagnitudeoftheprismaticcoefficientindicatesthedistributionofthehull'sunderwaterdisplacementvolumeinthedirection().AheightBcaptainCShipwidth第12題Whichofthefollowingtypesofplateframeconstruction?ALongitudinalskeletontypeBTransverseskeletontypeCHybridskeletontypeDRingskeletontype正確答案：ABC第13題Thelongitudinalbendingresistanceofthelongitudinalskeletonshipisrelativelystrong.第14題Thetransverseskeletonhullstructureissuitableforsmallshipsandrivervessels.第15題()issuitableforwarships,largeoiltankers,andotherlargeocean-goingcargoships.ASingletransverseskeletonhullstructureBHybridskeletonhullstructureCSinglelongitudinalskeletonhullstructure3.1.2Assignments第1題Whatofthefollowingpreparationsneedstobemadebeforetheconstructionoftheshipbegins.ATechnicalpreparationBProductionpreparationCMaterialandequipmentpreparationDPreparationoffactorygroundsandfacilitiesEPersonnelandmanagementpreparation正確答案：ABCDE第2題Whichofthefollowingconstructiontechnologiesistheleaderoftheothertechnologiesinthepreparationofshipconstructiontechnology.AShipoutfittingtechnologyBMarinepaintingtechnologyCSplitlaneconstructiontechnologyDPrecisioncontroltechnologyforshipconstruction第3題Theonlymaterialsneededforshipconstructionaresteel.第4題Theequipmentrequiredforshipconstructionneedstobepreparedinadvance.3.2.2Assignments第1題Thesteelplatestransportedtotheshipyarddonotneedtobeprocessedinadvanceandcanbeusedforhullconstructionandproduction.第2題Ifthedeformedsteelisuseddirectly,itwillreducethemachiningaccuracyofthehullstructure.第3題Steelpretreatmentmainlyincludeswhichofthefollowingworkcontents.ASteelcorrectionBSteelformingprocessingCProtectionofsteelsurfacesDCleaningofsteelsurfaces正確答案：ACD第4題Themulti-rolllevelingmachineusedforthecorrectionofsteelplateshastwoworkingrollers.第5題Thinsteelplatesaremoredifficulttocorrectthanthickplates.第6題Allprofilesneedtobestraightenedbeforetheycanbeusedinshipconstruction.第7題Whichofthefollowingsurfacecleaningmethodsissuitablefortheformationofasteelpretreatmentline.AChemicalrustremovalmethodBShotblastingandrustremovalmethodCWithrustprimermethodDHigh-pressurewaterrustremovalmethod3.3.2Assignments第1題Theprocessingofhullcomponentsisdividedintotwoparts:()and().AAssemblyandprocessingofcomponentsBComponentedgemachiningCComponentbevelingprocessingDComponentformingandprocessing正確答案：BD第2題Componentweldingbevelmachiningbelongsto().AComponentedgemachiningBComponentformingandprocessing第3題Therearemainlythefollowingmethodsofedgeprocessing.AMathematicalcuttingBMechanicalcuttingmethodCChemicalcuttingmethodDPhysicalcuttingmethod正確答案：BCD第4題Theequipmentusedformechanicalshearingofcurvededgemembersismainly().ABladegantryshearingbedBPressureshearCDiscshearDEdgemillingmachine第5題Intheprocessofedgeprocessingofcomponents,thecommonlyusedchemicalcuttingmethodsaremainlyasfollows.AManualgascuttingBPlasmacuttingCSemi-automaticgascuttingDAutomaticgascutting正確答案：ACD第6題Plasmacuttingisaphysicalcuttingmethod.第7題Thefunctionofthegrooveistoweldtheworkpieceandensuretheintegrityoftheweldingquality.第8題Theformingandprocessingofhullcomponentsaredividedintothefollowingtypesaccordingtotheprocessingobject.AFormingofplatesBColdformingprocessingCHotbendingprocessingDFormingofprofiles正確答案：AD第9題Intheformingandprocessingofhullplatecomponents,unidirectionalcurvatureplatesaregenerallyprocessedbythewater-firebendingplatemethod.3.4.2Assignments第1題Whichofthefollowingbelongstothehullparts.AWeldT-beamsBRibframeCsuperstructureDrudder正確答案：ABD第2題Thefirststepinsteelplatesplicinginshipconstructionis().APlatingtoremoverustBSteelplatepositioningCSteelplatesplicingDSteelplatewelding第3題Whenthesteelplateisspliced,inthecaseofboththesideseamandtheendseam,wegenerallyassemble().AEndseamBEdgeseams第4題Forsteelplateswithalargearea,thelengthofweldsisrelativelylong,soatpresent,onlymanualweldingcanbeusedinshipyardsforsteelplatesplicing.第5題Whenautomaticweldingisadopted,duetothepoorweldingqualityatthearcstartingpointandthearcextinguishingpoint,inordertoeliminatethisdefect,afterthesteelplateisassembledneatly,thearcignitionplateandthearcextinguishingplatecanbesetatbothendsoftheplateseam.第6題T-shapedstraightbeamsmostlyadopttheflipmethod.第7題MostT-shapedbendingbeamsusetheinvertedmethod.第8題IntheprocessofinvertedassemblyofstraightT-beams,acertainamountofanti-deformationcanbepre-placedonthesideofthewebandpanelpositioningwelding,sothattheangleisgreaterthan90°,whichisusedtooffsettheangulardeformationcausedbypositioningwelding.第9題T-shapedstraightbeamscanbeassembledusingtheside-mountedmethod.3.5.2Assignments第1題Segmentsareclassifiedaccordingtoappearancecharacteristics,whichtypescanberoughlydividedinto?APlanarsegmentationBSurfacesegmentationCSemi-stereoscopicsegmentationDStereoscopicsegmentationETotalsegments正確答案：ABCDE第2題Planarsegmentsaresingle-layerflatplateframeswithbonesonstraightplatecolumns.第3題Curvedsegmentsaredouble-layeredcurvedpanelswithbonesoncurvedpanelcolumns.第4題Semi-solidsegmentsarenon-enclosedsegmentscomposedofsingle-layerplateframes.第5題Asolidsegmentisaclosedsegmentcomposedoftwoormorelayersofplateframes,oranon-circularsolidsegmentcomposedofaflatplateframe.第6題Thetotalsectionisaring-shapedthree-dimensionalsegmentinwhichthemainhullisdividedalongthedirectionofthecaptain,anditsdepthandwidthareequaltothedepthandwidthofthedivision第7題Thesegmentedweldingmethodisdividedintothefollowingaccordingtotheassemblyformofthestructure?ASeparationassemblymethodBLongitudinaltrussionmethodCFrameworkLawDPositiveCreationLaw正確答案：ABC第8題Afterthesectionisweldedbythepanel,thelayingstructureisscribedaccordingtotherequirementsoftheworkingdrawing,andthemountingandweldingmethodofthelongitudinalmaterialandthetransversestructureis().ASeparationassemblymethodBLongitudinaltrussionmethodCFrameworkLaw第9題Theseparationassemblymethodhashighassemblyweldingefficiency,andtheassemblyerroriseasytoadjustbeforewelding,butonlygravityweldingandmanualweldingcanbeusedtoweldlongitudinalmaterials.第10題()istoinstallthelongitudinalmaterialandperformcontinuousautomaticfilletweldingafterthescribingofthesectionallayingplate,andthentheinstallationandweldingofthetransverseframe.ASeparationassemblymethodBFrameworkLawCLongitudinaltrussionmethod第11題Itissegmentedplatingweldingandscribingcarriedoutonthesegmentedmanufacturingsite,whiletheframeismanufacturedonaspecialassemblyplatform,andafterthemiddleassemblyofthelongitudinalmaterialandthetransverseframe,theframeassemblyisweldedintoawholeandthenhoistedonthesectionforinstallationandwelding.ALongitudinaltrussionmethodBSeparationassemblymethodCFrameworkLaw第12題Accordingtotheclassificationofthestateofsegmentedassembly,whatarethefollowingsegmentedweldingmethods?APositiveCreationLawBCounter-reactionCSidefabricationDHorizontalmethod正確答案：ABCD第13題Forsomethree-dimensionalandsemi-three-dimensionalsegments,inadditiontocurvedshellplates,therearealsoplanarstructuralpartssuchasplatforms,decksandinnerfloorplates,whicharegenerallyweldedbythe()methodinshipyards.APositiveCreationLawBCounter-reactionCSidefabricationDHorizontalmethod第14題Forsharp-shapedsegmentssuchasbowcolumnsegmentsandrudderstructures,()aregenerallyusedforconstruction.APositiveCreationLawBCounter-reactionCHorizontalmethodDSidefabrication第15題Thecurvedouterplateofthelargesolidsegmentofthebowhasasmallcurvatureandisgenerallyconstructedusing().APositiveCreationLawBCounter-reactionCHorizontalmethodDSidefabrication3.6.2Assignments第1題Atotalsegmentisgenerallycomposedofwhichofthefollowingsegments?ARingsegmentsBPlanarsegmentationCSurfacesegmentationDStereoscopicsegmentation正確答案：BCD第2題Byadoptingthemethodofclosingthetotalsection,manyofthesegmentalclosingworkintheslipwayassemblystagecanbemovedtotheassemblystageofthegeneralsection,whichcanreducetheworkloadoftheslipwayandshortentheslipwaycycle.第3題Thecentralringsegmentisgenerallycomposedofwhichofthefollowingsegments.ABottomsegmentBBroadsidesegmentationCDecksegmentationDBulkheadsegmentation正確答案：ABCD第4題Ifafalsebulkheadisusedduringtheassemblyofthegeneralsection,thefalsebulkheadcannotberemovedafteruse.第5題Theinstallationorderofthecentralringsectionisgenerallythefollowing?ABottomsegment-decksegment-broadsidesegment-decksegmentBBottomsegment-broadsidesegment-decksegment-bulkheadsegmentCBottomsegment-bulkheadsegment-decksegment-broadsidesegmentDBottomsegment-broadsidesegment-decksegment-bulkheadsegment3.7.2Assignments第1題Wherethefinalassemblyoftheshipisdone.AslipwayBTirerackCShipyardDBuildworkshopsinsections正確答案：AC第2題Whichofthefollowingarecommonslipways?AShipyardBTilttheslipwaylongitudinallyCHorizontalslipwayDSemi-dockslipway正確答案：BCD第3題Thelongitudinalinclinationslipwayisconvenientforassemblyandinspection,andthesafetyoflaunchingisrelativelygood.第4題Thehorizontalslipwayoccupiesasmallarea,theinvestmentislarge,theconstructionscaleandlaunchingweightarelarge,andthemaintenancecostisrelativelyhigh.第5題Semi-dockslipwaysdonotrequireclosingdockdoorswhenbuildingships.第6題Theshallowdockisusedforshiprepair,calledashiprepairdock.第7題Theshipyardreducestheliftingheightofthesection,thedegreeofmechanizationisrelativelyhigh,andthelaunchingissafeandreliable,whichissuitablefortheconstructionoflargeships.第8題Beforethefinalassemblyoftheslipway,thepreparationworkontheslipwayincludeswhichofthefollowing.ADrawtheslipwaycenterlineBDrawslipwayhalf-widthlinesCDrawtheslipwayribinspectionlineDDrawtheheightlineontheheightpole正確答案：ABCD第9題Beforethefinalassemblyoftheslipway,thepreparationworkonthehullincludeswhichofthefollowing.ADrawsegmentedslipwayinstallationpositioninglinesBDrawthebisectionofthesegmentCInstallationoftemporarysupportsforslipwayassemblyDInstalltheliftingeye正確答案：ABCD第10題Iftheshipbuiltisasingleship,whichofthefollowingconstructionmethodscanbeemployed.AThetotalsectionconstructionmethodBTowerconstructionmethodCTandemconstructionmethodDIslandconstructionmethod正確答案：ABD第11題Thetowerconstructionmethodisbuiltwiththefirstsectionasthebasesegment,andthenbuiltbackwardfromthere.第12題Duringtheconstructionprocess,thesectionsmustbeconnectedusingembeddedsegments.第13題Thehorizontalconstructionmethodisalsoknownasthelayerconstructionmethod第14題Thehorizontalconstructionmethodissuitablefortheconstructionofshipswithalargenumberofslipwaybulkparts.4.1.2Assignments第1題Whichofthefollowingequipmentbelongstoshipoutfittingequipment.ACabinequipmentBNauticalequipmentCRudderequipmentDAnchordevices正確答案：ABCD第2題Atpresent,thepowerequipmentcommonlyusedincivilshipsisreciprocatingdieselengines.第3題Whichofthefollowingarethecommonlyusedhosttypesforshipstoday.ASteamturbinesBdieselengineCgasturbineDnuclearpower正確答案：ABCD第4題Themainengineofmoderntransportshipsismainlysteamturbines.第5題Whichoftheindicatorsthatdeterminethehandlingperformanceofashiparethefollowing.ASailingspeedBHeadingstabilityCNavigationeconomyDGyration正確答案：BD第6題TherudderequipmentconsistsofwhichofthefollowingArudderBSteeringmechanismCServosDManipulationdeviceETransmissionmechanism正確答案：ABCDE第7題Rudders,accordingtohowtheyareconnectedtothehull,aredividedintothefollowingtypesAOrdinaryrudderBSpecialruddersCSemi-suspensionrudderDSuspensionrudder正確答案：ACD第8題Ruddersplacedbehindrudderpostsordulllogsaredoubleormulti-supported().AOrdinaryrudderBSemi-suspensionrudderCSuspensionrudderDSpecialrudders第9題Therudderplacedbehindthehelmarmbelongsto().AOrdinaryrudderBSuspensionrudderCSemi-suspensionrudderDSpecialrudders第10題Theruddersuspendeddirectlybehindthepropellerbelongsto().AOrdinaryrudderBSemi-suspensionrudderCSpecialruddersDSuspensionrudder第11題Ruddercanbedividedintothefollowingtypesaccordingtothepositionoftherudderaxisinthedirectionoftherudderstring.AUnbalancedrudderBBalancerudderCSemi-balancedrudderDOrdinaryrudder正確答案：ABC第12題()isatypeofrudderinwhichtherudderaxisisclosetotheleadingedgeoftherudder.AUnbalancedrudderBBalancerudderCSemi-balancedrudderDOrdinaryrudder第13題()istherudderatapositionontherudderaxisatapositionofftheleadingedgeoftherudder.AUnbalancedrudderBSemi-balancedrudderCBalancerudderDOrdinaryrudder第14題()isatypeofrudderwiththerudderaxisbehindthehelmarm.AUnbalancedrudderBBalancerudderCOrdinaryrudderDSemi-balancedrudder第15題Shipanchorequipmentisonlyusedwhentheshipismoored.第16題Theanchorequipmentintheshipislocatedatthebowposition.第17題Whichofthefollowingarecommonanchorsinships.ASecuretheclawanchorBTherearerodturningjawanchorsCRodturningjawanchorDSpecialanchors正確答案：ABCD第18題Navalanchorsarerod-swivelclawanchors.第19題Theanchorbodyandcrossbarsofthenavalanchorarecaststeel,whichisofhighstrength.第20題Rodclawanchorsareusuallylonger,sothegripinthesiltisrelativelylarge.第21題Whichofthefollowinganchorsarerodlessclawanchors.ANavalanchorBHallanchorsCSbeckanchorDBohranchor正確答案：BCD4.2.2Assignments第1題Thedevelopmentofoutfittingtechnologyhasgonethroughthefollowingstages.ATraditionaloutfittingtechniquesBPre-outfittingtechnologyCRegionaloutfittingtechnologyDCoordinateoutfittingtechnology正確答案：ABC第2題Traditionaloutfittingtechnologygenerallyinvolveshullconstructionfirst,andoutfittingworkbeginsafterthehulliscompleted.第3題Outfittingworkwithtraditionaloutfittingtechniquesismainlycarriedoutonboardfromthelaunchofthehulltothedeliveryoftheship.第4題Traditionaloutfittingtechnologyhashighworkefficiency,goodassemblyaccuracy,andgoodcoordinationbetweensystems.第5題Intheuseofpre-outfittingtechnology,manyoutfittingoperationsarecarriedoutinsectionsandsectionsbeforetheyareontheslipway.第6題Pre-outfittingtechnologycanimproveoperatingconditions,reducelaborintensity,andimprovetheefficiencyofoutfittingoperations.第7題Pre-outfittinggenerallyincludeswhichofthefollowingbasiccontents.AUnitassemblyBSegmentedpre-outfittingCComponentsarepre-outfittingDThetotalsectionispre-outfitting正確答案：ABD4.3.2Assignments第1題Whichofthefollowingfeaturesisincludedintheshipbuildingmodule.AAestheticsBstandardizationCOptionalityDPre-production正確答案：BCD第2題Standardizationintheshipbuildingmodulefeatureelementmeansthatthemoduleshouldhave()and()features.AStandardsizeBStandardconstructionCStandardweightDStandardprice正確答案：AB第3題Theoptionalityintheshipbuildingmodulefeatureelementmeansthatthemoduleshouldhave()and()characteristics.AExclusivityBOptionalpartsCCombinatoryDStandard正確答案：BD第4題Shipoutfittingmodulesmainlyinclude()modulesand()modules.ASelf-sustainingBSplitCDependentDPrefabricated正確答案：AC第5題Thepre-outfittingunitsintheself-sustainingoutfittingmodulearesuitableforupgradingshiptypeswithsimilarrequirements.第6題Modularshipbuildingisessentiallythesameasthesegmentedconstructionofships.第7題Formostships,outfittingworkcanbedividedintowhichareas.ACabinoutfittingareaBHulloutfittingarmorplateareaCHulloutfittinglivingareaDHulloutfittingworkarea正確答案：ABC第8題Thehulloutfittinglivingquartersincludeengineshedsandchimneys.5.1.2Assignments第1題Whichtypeofhostismostusedinocean-goingvessels?AsteamturbineBdieselengineCgasturbineDnuclearpower第2題Whichofthefollowingpartsisnotincludedinshipdeckmachinery?AAnchordevicesBSteeringequipmentCthrusterDLoadingequipment第3題Whichofthefollowingpartsdoesashippowerunitinclude?APropulsionunitBMarinepipingsystemsCAssistivedevicesDhostEShipdeckmachineryFMarineautomationequipment正確答案：ABCEF第4題Whichofthefollowingarepowerpipingsystems?ACompressedairlinesBVentilationlinesCLubricationlinesDFuellinesECoolinglines正確答案：ACDE第5題Whichofthefollowingdoestheshippropulsionunitinclude?AhostBShipshaftingCHighpressureoilpumpDTransmissionequipmentEthruster正確答案：ABDE第6題Mostshipsbelow30,000tonsusegasturbinesasthemainengine.第7題Marinedieselengineshavehighthermalefficiencyandawidepowerrange,buttheyareslowertostart.第8題Thesteamturbinehashighpower,reliablework,andcanburninferiorfueloil.第9題Agasturbineisthelightestandsmallestpropulsionpowerunitofallshippowerunitsthatproducethesameamountofpower.第10題Whichofthefollowingformsdoesthemarinecombinedpowerunitinclude?ASteam---gascombinedpowerunitBGas---gascombinedpowerunitCDiesel---gascombinedpowerunitDSteam---steamcombinedpowerunit正確答案：ABC第11題Theenormousenergygeneratedbythefissionreactionofatomicnucleiinmarinenuclearpowerunitscandirectlyactonmarinepropellers.第12題Thetaskoftheship'sshaftingistotransferthepowerofthemainenginetothepropeller,andthentheaxialthrustgeneratedbytherotationofthepropellertothemainhull.第13題Marineauxiliarydevicesrefertoequipmentthatprovidesotherrequiredenergyotherthanpropulsiondevicesforshipnavigation,operationandlife.第14題Marinepumpsareonlyresponsibleforpumpingwateronboard.第15題Shippipingsystemscanbedividedintothefollowingaccordingtodifferentuses?AFirepipingsystemBFreshwaterpipingsystemCPowerlinesystemDMarinepipingsystems正確答案：CD5.2.2Assignments第1題Whichofthefollowingprocessesisdonein-house?ATailtubesealBBoringshaftholesCShaftpairingDDeterminethecenterlineoftheshaftingtheoryETailshaftassembly正確答案：ABCE第2題Theshaftingtheorycenterlineisthebenchmarkforthemainengineshaftinginstallation.第3題Whatarethemainmethodsfordeterminingthecenterlineofshaftingtheory.APerpendicularmethodBWirepullingmethodCCalculationmethodDOpticalmethod正確答案：BC第4題Whentheshaftinglengthislessthan15m,shipyardsoftenusethemethodofdrawingsteelwiretodeterminethecenterlineofshaftingtheory.第5題Beforetheshaftingcenterlinecanbedetermined,themainweldedassemblyworkaffectingthetotalstrengthofthehullmustbebasicallycompleted.第6題Whenmeasuringshaftingcenterlines,themeasurementworkisnotaffectedbytheweather.6.1.2Assignments第1題Whichofthefollowingbelongstoshippowerstations.AMainpowerstationBMooringpowerstationCEmergencypowerstationDSpecialpowerstationsEFirepowerstation正確答案：ABCD第2題Anemergencypowerstationisakindofpowerstationthatsuppliespowertotheloadnecessarytoensurethesafetyoftheshipinanemergency.第3題Shippowergridreferstoakindofpowernetworkformedbythetransmissionofelectricenergyfromthemaindistributionboardthroughthecable,throughtheintermediatepowerdistributiondevice,andsenttoeachelectricaluser.第4題Whatistheroleofanavigationsignallightsystem?AShiplightingBShipcommunicationsCVoyageofshipsDSignalindicationofentryandexit正確答案：CD第5題Whichofthefollowingaremainlyincludedinthelinesystemofshippowerdistributionsystem?ADCpowerdistributionsystemBSingle-phaseACpowerdistributionsystemCTwo-phaseACpowerdistributionsystemDThree-phaseACpowerdistributionsystem正確答案：ABD第6題WhatisincludedinaDCpowerdistributionsystem.ATwo-wireinsulationsystemBNegativegroundthree-wiresystemCNegativegroundtwo-wiresystemDAsingle-linesystemwiththehullasthenegativecircuit正確答案：ACD第7題Oilshipsalladoptanegativegroundtwo-wiresystem.第8題Single-linesystemswithhullascircuitsarethesafest.第9題Three-phaseACpowerdistributioninthelinesystemofshippowerdistributionsystem.AThree-wireinsulationsystemBFour-wiresystemwithcenterlinegroundingCAtwo-wiresystemwithacenterlinegroundingandahullasthecenterlineDAfour-wiresystemwithacenterlinegroundingandahullasthecenterline正確答案：ABD6.2.2Assignments第1題Forfrequentlyoperatedelectricalequipment,theheightofthecenterofitsoperatingpositionisgenerally1.5m.Severaldevicesofdifferentsizescanbeinstalledwithauniformbasesurfaceonthebottomsurface.第2題Whentheequipmentisinstalled,afterthescrewsandnutsaretightened,thethreadshouldextendnomorethan2~3screwmomentsfromthenut.第3題Thelinesoftheship'scablesshouldbeasstraightandeasytoaccessaspossible.第4題Theequipmentinstallationmustbeeasytodisassembleandassemble,theheightissuitable,andtheequipmentdoorshouldbeabletorotatefreelyabove180°tofacilitatethemaintenanceandmaintenanceoftheinternalcomponentsoftheequipment.第5題Theoverallrequirementsfortheinstallationofshipelectricalequipmentareinlinewithspecifications,safetyandreliability,reasonablelayoutandeconomicbeauty.第6題Sincetheshipisadriftonthesea,itdoesnotneedtoconsidertheproblemofgrounding.第7題Whatarethespecificationrequirementsfortheinstallationofelectricalequipmentonships?ACompliancewithspecificationsBSafeandsecureCWelllaidoutDEconomicalandbeautiful正確答案：ABCD第8題Thepurposeofgroundingofshipelectricalequipmentistoensurethenormaloperationoftheship'selectricalsystem,ensurethesafetyofoperatorsandequipmentontheship,reducetheelectricalinterferenceoftheequipment,andimprovethestabilityoftheequipmentwork.第9題Whichofthefollowingtypesofshipelectricalequipmentgroundingaremainlyincluded?AProtectiveearthingBWorkinggroundCConstructiongroundingDLightningprotectionandanti-staticgroundingEAnti-interferencegroun