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2026年船长考证英语试题库100道第一部分单选题(100题)1、SOLASChapterIIIprimarilyregulateswhichaspectofshipsafety?
A.Shipconstructionandfireprotection
B.Navigationequipmentandbridgewatchkeeping
C.Life-savingappliancesandarrangements
D.Radiocommunicationanddistresssignals
【答案】:C
解析:本题考察SOLAS公约章节内容。正确答案为C。SOLASIII章全称为'Life-savingappliancesandarrangements'(救生设备与布置),明确规定救生艇、救生筏、救生衣等救生设备的配置与操作要求。选项A对应SOLASI章(船舶构造);选项B对应SOLASV章(航行安全);选项D对应SOLASIV章(无线电通信)。2、Inrestrictedvisibility(e.g.,fog),whichvesselshoulddisplayanall-roundwhitelightandred/greensidelights?
A.Avesselnotundercommand
B.Avesselengagedinfishing
C.Avesselatanchor
D.Avesseltowinganothervessel
【答案】:A
解析:本题考察《国际避碰规则》中操纵能力受限船舶的号灯要求。根据COLREGs,“notundercommand”(操纵能力受限)船舶在能见度不良时,需显示全向白灯(all-roundwhitelight)和舷灯(red/greensidelights),以表明其操纵能力受限。B选项“engagedinfishing”(从事捕鱼)船舶在能见度不良时应显示的号灯为垂直两盏环照灯(上下);C选项“atanchor”(锚泊)船舶应显示垂直两盏白灯和甲板灯;D选项“towinganothervessel”(拖带)船舶应显示号灯(如前后号灯),均不符合题意。因此正确答案为A。3、AccordingtoSOLASConvention,theinspectionintervalforliferaftsshallbenomorethan______.
A.12months
B.6months
C.24months
D.18months
【答案】:A
解析:本题考察SOLAS公约中救生筏检查周期。正确答案为A,SOLAS第III章明确规定救生筏的检查间隔不超过12个月。B选项6个月是救生艇的检查周期,C选项24个月超过公约最低要求,D选项18个月无公约依据。4、ThemainfunctionofaGlobalPositioningSystem(GPS)receiverinmarinenavigationisto______.
A.Determinetheship'spositionandspeed
B.Detectnearbyvesselswithinradarrange
C.Measuretheship'sdraftaccurately
D.Monitorengineperformanceparameters
【答案】:A
解析:本题考察GPS在航海中的功能。GPS通过卫星信号实时计算船舶经纬度(定位)和对地速度(测速),是船舶导航的核心设备。选项B(探测附近船舶)是雷达的功能;选项C(测吃水)需使用声呐测深仪;选项D(监测主机参数)属于船舶自动化系统(如机舱监控系统)。因此正确答案为A。5、WhichofthefollowingisthecorrectdistresssignalinmaritimeEnglish?
A.Mayday
B.Pan-Pan
C.Distress
D.Help
【答案】:A
解析:本题考察国际海事遇险信号的英语表达,正确答案为A。Mayday是国际通用的遇险求救信号(Distresscall),用于船舶、飞机等面临严重危险时使用。选项B的Pan-Pan是紧急但非遇险信号(如设备故障);选项C的Distress是通用术语,并非标准遇险信号名称;选项D的Help不符合国际海事遇险信号规范。6、Duringradaroperations,thefunctionofthe'rangescale'isto:A.DeterminethemaximumdetectionrangeoftheradarsystemB.DisplaytheangularpositionofradartargetsrelativetotheshipC.IndicatethedistancefromtheradartodetectedtargetsD.Measurethetimetakenforradarpulsestotraveltoatarget
A.Determinethemaximumdetectionrangeoftheradarsystem
B.Displaytheangularpositionofradartargetsrelativetotheship
C.Indicatethedistancefromtheradartodetectedtargets
D.Measurethetimetakenforradarpulsestotraveltoatarget
【答案】:C
解析:本题考察雷达量程刻度(rangescale)的功能。雷达量程刻度是用于设置和显示目标距离的刻度盘,通过调整量程可观测不同距离的目标。选项A为雷达最大量程设置,选项B为方位刻度(bearingscale),选项D为脉冲传播时间(非量程刻度功能)。因此正确答案为C。7、Whatdoestheabbreviation'SOLAS'standforinmaritimesafety?
A.InternationalConventionfortheSafetyofLifeatSea
B.InternationalConventiononMaritimePollutionPrevention
C.InternationalMaritimeDangerousGoodsCode
D.InternationalSafetyManagementCode
【答案】:A
解析:本题考察SOLAS公约的英文全称知识点。SOLAS是SafetyofLifeatSea的缩写,其完整英文全称是InternationalConventionfortheSafetyofLifeatSea(《国际海上人命安全公约》),是保障船舶和海上人命安全的核心公约。选项B对应MARPOL公约(防止船舶造成污染);选项C是IMDGCode(国际海运危险货物规则);选项D是ISMCode(国际安全管理规则),均不符合题意。8、WhatdoestheabbreviationEPIRBstandfor?
A.EmergencyPositionIndicatingRadarBeacon
B.EmergencyPositionIndicatorRadioBeacon
C.EmergencyPositionIndicatingRadioBeacon
D.EmergencyPositionIndicatorRadarBeacon
【答案】:C
解析:本题考察船舶应急设备术语。EPIRB的正确全称是EmergencyPositionIndicatingRadioBeacon(应急无线电示位标)。A混淆了雷达应答器(SART);B中‘Indicator’应为‘Indicating’;D错误替换‘Radio’为‘Radar’,雷达应答器(SART)功能与EPIRB不同。9、Whentwopower-drivenvesselsareapproachinghead-on,whichCOLREGsrulegovernstheircollisionavoidanceactions?
A.Rule14(Head-onsituation)
B.Rule15(Crossingsituation)
C.Rule16(Actionbyvesselinsight)
D.Rule17(Responsibilityclauses)
【答案】:A
解析:本题考察国际避碰规则(COLREGs)的核心条款,正确答案为A。解析:Rule14明确规定,当两机动船航向相反(对遇局面)时,两船应各自向右转向,以避免碰撞,且双方均负有同等避让责任。选项B的Rule15适用于“Crossingsituation”(交叉相遇局面),即一船从另一船右舷或左舷横越其前方,此时让路船需采取避让行动;选项C的Rule16强调“互见中船舶的行动原则”,属于一般性转向避让要求,不针对特定局面;选项D的Rule17仅明确不同局面下的责任分配,未规定具体避让动作。10、Whichtermisusedtodescribethedevicethatmeasuresthedepthofwaterundertheship?
A.Fathometer
B.Compasses
C.Logbook
D.EchoSounder
【答案】:A
解析:本题考察船舶航海仪器术语。Fathometer(回声测深仪)是专门用于测量水深的设备,通过声波反射原理工作。B选项Compasses(罗盘)用于方向定位;C选项Logbook(航海日志)是记录航行数据的文档;D选项EchoSounder(回声测深仪)虽功能相近,但Fathometer是更典型的测深仪术语,故正确答案为A。11、Whatdoestheabbreviation'SOLAS'standforinmaritimeregulations?
A.SafetyofLifeatSeaConvention
B.InternationalConventionforthePreventionofPollutionfromShips
C.InternationalConventiononStandardsofTraining,CertificationandWatchkeepingforSeafarers
D.InternationalMaritimeDangerousGoodsCode
【答案】:A
解析:本题考察国际海事公约缩写。SOLAS是《国际海上人命安全公约》(InternationalConventionfortheSafetyofLifeatSea)的缩写。选项B为MARPOL(防污染公约),选项C为STCW(海员培训发证公约),选项D为IMDGCode(国际海运危险货物规则),均非SOLAS全称。12、Whichabbreviationstandsfor'VesselTrafficService'?
A.VTS
B.ARPA
C.ECDIS
D.SART
【答案】:A
解析:本题考察航海专业术语缩写的知识点。VTS是VesselTrafficService的标准缩写,用于规范船舶交通流管理。选项BARPA(AutomaticRadarPlottingAid)是“自动雷达标绘仪”;选项CECDIS(ElectronicChartDisplayandInformationSystem)是“电子海图显示与信息系统”;选项DSART(SearchAndRescueTransponder)是“搜救应答器”。因此正确答案为A。13、Whichdocumentmustbekeptonboardandavailableforinspectionbymaritimeauthorities?
A.Logbook
B.CargoDeclaration
C.PassengerList
D.CrewRoster
【答案】:A
解析:本题考察船舶必备文件。正确答案为A,航海日志(Logbook)是船长必须按规定记录并保存的核心文件,用于记录航行数据、操作指令和事件,海事当局检查时会重点查阅。选项B“货物申报单”、C“乘客名单”和D“船员名单”虽为船舶文件,但并非必须由船长随身携带供随时检查的核心航行文件。14、Whenashipcollidesatsea,whichactionshouldthemastertakeFIRST?
A.Immediatelyissuedistresssignals(e.g.,SOS)
B.Ensurethesafetyofallcrewandpassengers
C.Documentthecollisiontime,location,anddetails
D.Reporttheincidenttotheshipowner
【答案】:B
解析:Maritimesafetyprioritizeshumanlife.Whiledistresssignals(A)maybeneededlater,ensuringcrew/passengersafetyistheimmediatepriority.Documentation(C)occurspost-accident,andshipownerreporting(D)issecondary.CorrectanswerisB.15、TheSOLASConventionappliestowhichtypeofships?
A.Allshipsengagedininternationalvoyages
B.Merchantshipsonly
C.Navalshipsandwarships
D.Fishingvesselsonly
【答案】:A
解析:本题考察SOLAS公约(国际海上人命安全公约)的适用范围,正确答案为A。SOLAS公约适用于国际航行的所有船舶,包括客船、货船、渔船(国际航行)等,无论其所属国籍。选项B错误,SOLAS不仅适用于商船;选项C错误,军舰通常不受SOLAS约束;选项D错误,SOLAS适用于国际航行的渔船,而非仅渔船。16、UnderCOLREGs,whentwopower-drivenvesselsarecrossing,whichvesselshallkeepoutoftheway?
A.Thevesselonthestarboardside
B.Thevesselontheportside
C.Thevesselwithhigherspeed
D.Thevesselwithlowerspeed
【答案】:A
解析:本题考察避碰规则(COLREGs)交叉相遇局面。正确答案为A,根据COLREGsRule9,交叉相遇时,右舷船为让路船(givewayvessel),应主动避让直航船。B选项左舷船为直航船,C、D选项速度因素需结合具体情况,非交叉局面下的优先避让规则。17、InaccordancewithSOLASConvention,whenshouldavesselsendthedistresssignal'Mayday'?
A.Whenthevesselisinimmediatedangerofsinking
B.Whenencounteringsevereweatherconditions
C.Whenacrewmembersustainsaminorinjury
D.Whenthevesselneedsassistancebutisnotindanger
【答案】:A
解析:ThisquestionteststheuseofdistresssignalsaccordingtotheSOLASConvention.ThecorrectanswerisA.'Mayday'isaninternationaldistresssignalandshouldonlybeusedwhenthevesselisinimmediatedangerofsinking(suchasfacingasinkingcrisis).OptionB,encounteringsevereweather,doesnotconstituteanimmediatedangerrequiring'Mayday'.OptionC,aminorinjurytoacrewmember,doesnotposeathreattolifeandsafetyanddoesnotrequire'Mayday'.OptionD,needingassistancebutnotindanger,shoulduseothersignalssuchas'SOS'or'Pan-Pan'insteadof'Mayday'.18、Whichcommunicationchannelisinternationallyrecognizedastheprimarydistressandsafetychannelformaritimeradiocommunication?
A.SSBChannel16
B.VHFChannel16
C.NAVTEXChannel87B
D.AISChannel161
【答案】:B
解析:本题考察国际遇险通信渠道。正确答案为B。A选项“SSB”(单边带)是通信设备类型,非频道;C选项“NAVTEXChannel87B”用于接收航行警告,不用于遇险呼救;D选项“AISChannel161”为船舶自动识别系统频道,无遇险功能。VHFChannel16(甚高频16频道)是《国际海上避碰规则》及SOLAS公约明确规定的全球遇险与安全专用频道。19、Whichstatementabout'free-falllifeboat'iscorrect?
A.Itislaunchedbygravitywithoutmechanicalassistance,typicallyusedinhigh-speedvessels
B.Itisatypeoflifeboatthatrequiresmanualloweringbycrewmembers
C.Itisdesignedtobelaunchedonlywhentheshipisstationary
D.Itisequippedwithaself-rightingmechanismtopreventcapsizing
【答案】:A
解析:本题考察救生艇类型“free-falllifeboat”的特点。自由降落救生艇(free-falllifeboat)通过重力自由降落,无需机械辅助,常用于高速船舶或要求快速撤离的场景。选项B描述的是传统救生艇(如降落式救生艇),C错误(自由降落艇可在航行中使用),D是救生艇通用安全设计(非自由降落艇特有)。20、Innavigation,'Safespeed'isdefinedasthespeedatwhichavesselcan______.
A.Moveslowlytoavoidcollision
B.Takeproperandeffectiveavoidingactionandstopwithinasafedistance
C.Reducespeedtominimumpossible
D.Increasespeedtomaximumpossiblewithoutrisk
【答案】:B
解析:本题考察航海安全航速的定义。正确答案为B。安全航速的核心定义是船舶能采取适当而有效的避碰行动,并能在适合当时环境和情况的距离内把船停住的速度。选项A错误,因“slowly”未明确包含“有效避碰和安全停船”的关键要素;选项C“minimumspeed”(最低速度)与安全航速的“安全控制”要求不符;选项D“maximumspeed”(最高速度)会增加碰撞风险,违背安全航速的本质。21、Whenashiprequiresmedicalassistance,thedistresssignaltobeusedis______.
A.Mayday,Mayday,Mayday
B.Pan-Pan,Pan-Pan,Pan-Pan
C.SOS
D.Distress
【答案】:B
解析:本题考察遇险信号的英语表达。“Mayday,Mayday,Mayday”(选项A)是危及生命安全的紧急求救信号(如碰撞、火灾);“Pan-Pan,Pan-Pan,Pan-Pan”(选项B)用于紧急但未危及生命的情况(如医疗援助);选项C“SOS”是摩尔斯电码遇险信号,非英语语音信号;选项D“Distress”仅为通用“遇险”名词,无求救含义。因此医疗援助属于紧急但非危及生命,正确答案为B。22、Whichtermreferstothedifferencebetweentheforwardandafterdraughtsofavessel?
A.Trim
B.Draught
C.Freeboard
D.Beam
【答案】:A
解析:本题考察船舶术语的定义。A项“Trim”(纵倾)特指船舶首尾吃水的差值;B项“Draught”(吃水)指船舶某一位置的吃水深度;C项“Freeboard”(干舷)是甲板边线至水面的垂直高度;D项“Beam”(船宽)是船体最大宽度。因此,描述前后吃水差的术语为纵倾,答案为A。23、Incaseofafireonboard,theMastershouldfirst______accordingtoSOLASregulations.
A.Initiatethefiresuppressionsystemimmediately
B.Soundthegeneralalarmandorganizecrewevacuation
C.Attempttoextinguishthefireusingonboardextinguishers
D.ContactthenearestMaritimeRescueCoordinationCenter(MRCC)directly
【答案】:B
解析:本题考察SOLAS公约下火灾应急处置程序。根据SOLAS第II-2章,船长在火灾发生时应优先启动警报并组织人员撤离(选项B),这是保障生命安全的首要步骤。选项A(直接启动灭火系统)可能延误疏散时机;选项C(自行灭火)不符合船长职责分工;选项D(直接联系MRCC)应在初步控制后进行,非第一响应措施。24、Uponencounteringanimmediatethreattothesafetyoftheship,theMaster'sprimaryresponsibilityisto______.
A.Directtheimmediateactionstoensuretheship'ssafety
B.Immediatelynotifytheshipownerofthesituation
C.Contactthenearestportauthorityforemergencyassistance
D.Waitforinstructionsfromthecompany'sshore-basedheadquarters
【答案】:A
解析:本题考察船长在船舶安全威胁下的核心职责。船长首要职责是立即指挥采取行动保障船舶安全(选项A正确)。选项B、C属于后续辅助措施,非首要任务;选项D违背船长独立决策与指挥的职责要求,因此错误。25、Whenloweringalifeboatfromaship,whichoperationisessentialforsafety?
A.Loweringrapidlytosavetime
B.Mustbeoperatedwhentheshipiscompletelystationary
C.DirectedbytheSecondOfficer
D.Personnelinthelifeboatshouldfastensafetybelts
【答案】:D
解析:本题考察救生艇降落操作安全要求。正确答案为D,救生艇内人员必须系好安全带,防止艇体晃动或落水。A错误,快速降落易导致失控或碰撞;B错误,船舶通常在低速前进或停车状态下即可安全降落;C错误,救生艇操作通常由艇长或指定艇员指挥,非固定由二副负责。26、Duringafireonboard,whichistheFIRSTactiontotakeaccordingtotheship'sfireemergencyplan?
A.Immediatelystartthefirepumptosupplywater
B.Soundthegeneralalarmandalertthebridge/crew
C.Attempttoextinguishthefirewithavailableextinguishers
D.Closeallopeningstopreventsmokespread
【答案】:B
解析:本题考察火灾应急处置流程。船舶火灾应急中,第一步应立即发出警报(如通用报警)并通知驾驶台及相关船员,以便启动后续救援、疏散及灭火行动。选项A启动消防泵通常在火势可控后或需供水时进行;选项C直接灭火可能因未报警导致火势蔓延;选项D关闭开口是控制火势的措施,需在报警后进行。因此正确答案为B。27、AccordingtoCOLREGs,whichvesselmusttakeearlyandsubstantialactiontokeepclearinacrossingsituation?
A.Give-wayvessel
B.Stand-onvessel
C.Bothvesselsequally
D.Neithervessel
【答案】:A
解析:本题考察避碰规则(COLREGs)核心条款,正确答案为A。根据《国际避碰规则》第14条,交叉相遇局面中,“让路船(Give-wayvessel)”(通常为右舷来船)需主动采取“早且显著”的避让行动;“直航船(Stand-onvessel)”(左舷来船)仅需保向保速,除非让路船未行动。选项B错误,因直航船无避让义务;选项C、D不符合规则规定,交叉局面中仅让路船需主动避让。28、Duringafireintheengineroom,whichcommandisappropriateforcrewresponse?
A.'Abandonshipimmediately'
B.'Allhandstothefireparty'
C.'Manoverboard,startrecovery'
D.'Fullspeedaheadtoclearthearea'
【答案】:B
解析:本题考察船舶应急处置指令。当机舱发生火灾时,应立即指令消防小组(fireparty)开展灭火行动。A选项“弃船”仅在船舶沉没等极端情况下使用,非火灾初期指令;C选项“人员落水”指令与火灾无关;D选项“全速前进”会加剧火势并增加操作风险。因此正确答案为B。29、AccordingtoCOLREGs,whichofthefollowingcorrectlydescribestheobligationofa'stand-onvessel'?
A.Itmusttakeearlyandsubstantialactiontokeepoutofthewayofthegive-wayvessel
B.Itmustmaintainitscourseandspeedunlessitisclearthatthegive-wayvesselisnottakingappropriateaction
C.Ithastherightofwayandcanignorethegive-wayvessel'sactions
D.Itmustimmediatelyreversecoursetoavoidcollisionwiththegive-wayvessel
【答案】:B
解析:本题考察国际避碰规则中直航船(stand-onvessel)的责任。根据COLREGs,直航船的责任是保持航向和航速,除非明显看出让路船(give-wayvessel)未采取适当避让行动。选项A是让路船的责任,选项C错误(直航船也需关注让路船动态),选项D是极端错误的操作指令。30、WhichVHFchannelisusedforinternationalmaritimedistressandsafetycommunications?
A.Channel16
B.Channel70
C.Channel13
D.Channel80
【答案】:A
解析:Thisquestionisaboutmaritimecommunication.VHFChannel16istheinternationallydesignatedchannelformaritimedistressandsafetycommunications.Channel70ismainlyusedforemergencypositioningindicatingradiobeacons(EPIRB)andsearchandrescuetransponders(SART)insomespecificsituations.Channels13and80arenottheprimarychannelsfordistresscommunications.SothecorrectanswerisA.31、WhichcommandwouldaMasterissuetotheEngineRoomtomaintainthevessel'sspeedwhileproceedingthroughanarrowchannel?
A."Reducespeedimmediately"
B."Maintainspeedasset"
C."Increasespeedtofullpower"
D."Stoptheengine"
【答案】:B
解析:Innarrowchannels,maintainingasteadyspeediscrucialforsafemaneuvering.OptionB,"Maintainspeedasset",istheappropriatecommand.OptionAisincorrectbecausereducingspeedisunnecessaryunlessinstructed.OptionCiswrongasincreasingspeedcouldbedangerousinconfinedwaters.OptionDisincorrectasstoppingtheenginewouldpreventprogressinthechannel.Therefore,Bisthecorrectanswer.32、WhichVHFchannelisdesignatedastheinternationaldistressandsafetychannel?
A.Channel16
B.Channel6
C.Channel13
D.Channel70
【答案】:A
解析:本题考察VHF遇险与安全频道的知识。国际海事组织规定VHF16频道为国际遇险与安全频道,用于船舶间遇险信号的发射与接收。选项B(Channel6)主要用于沿海航行安全通信;选项C(Channel13)为近岸船舶常用的交通频道;选项D(Channel70)是VHFDSC(数字选择性呼叫)的遇险与安全频道,但题目问的是“channel”而非“DSCchannel”,16频道是通用遇险频道,故正确答案为A。33、WhichVHFchannelisinternationallydesignatedfordistressandsafetycommunications?
A.Channel13
B.Channel16
C.Channel70
D.Channel80
【答案】:B
解析:本题考察VHF遇险通讯频道。VHFChannel16(国际遇险与安全频道)是全球统一的遇险呼叫专用频道,船舶遇险时应优先使用16频道发送Mayday信号。Channel13用于引航员沟通,Channel70为DSC遇险频道(数据交换),Channel80为气象频道。因此正确答案为B。34、Thefullformof'IMO'inmaritimecontextis______.
A.InternationalMaritimeOffice
B.InternationalMarineOrganization
C.InternationalMaritimeCommission
D.InternationalMaritimeOrganization
【答案】:D
解析:本题考察国际海事组织的英文缩写知识点,正确答案为D。因为IMO的标准全称是InternationalMaritimeOrganization(国际海事组织),而选项A的InternationalMaritimeOffice(国际海事局)是IMO下属机构;选项B的InternationalMarineOrganization是错误拼写,应为Maritime;选项C的InternationalMaritimeCommission并非国际海事组织的官方名称。35、AccordingtoCOLREGs,whentwocrossingvesselshaveonevesselonthestarboardbowoftheother,whichactionshouldtheobservingvesseltake?
A.Maintaincourseandspeeduntilclearoftheothervessel
B.Takeimmediatestarboardturntoavoidcollision
C.Soundoneshortblastandmaintainspeed
D.Soundtwoshortblastsandslowdown
【答案】:A
解析:本题考察国际避碰规则(COLREGs)中交叉相遇局面的行动规则。交叉相遇局面中,直航船(无让路义务的船舶)需保持航向和航速,直到让路船驶过让清,即选项A为直航船的正确行动。选项B(立即右转)为让路船的避让行动,但若观察船为直航船则不适用;选项C、D为VHF通讯鸣笛规则,与交叉相遇局面无关,故正确答案为A。36、Whichofthefollowingbestdefines'safespeed'accordingtotheInternationalRegulationsforPreventingCollisionsatSea(COLREGs)?
A.Safespeedisthespeedatwhichthemastercantakeproperandeffectiveactiontoavoidcollisionandstopintimeinaccordancewiththeprevailingcircumstances.
B.Safespeedisthespeedthatallowstheshiptomaintainacoursechangeofatleast30degreeswithinashortdistance.
C.Safespeedisthemaximumspeedtheshipcanreachwithoutexceedingtheengine'sratedRPM.
D.Safespeedisdeterminedsolelybytheship'sdraftandthedepthofwaterinthenavigablechannel.
【答案】:A
解析:本题考察COLREGs中安全航速的定义。正确答案为A,因为COLREGs明确规定安全航速是指船长能够采取适当而有效的避碰行动,并在适合当时环境和情况的距离内把船停住的速度。选项B错误,安全航速不要求特定转向角度;选项C错误,安全航速并非由发动机转速决定,而是基于环境条件;选项D错误,安全航速与水深无关,而是综合考虑能见度、通航密度、船舶操纵性能等因素。37、Whennavigatinginrestrictedvisibility,whichsoundsignalshouldbeusedbyavessel?
A.Oneprolongedblastfollowedbytwoshortblasts
B.Oneshortblast
C.Twoprolongedblasts
D.Threeshortblasts
【答案】:A
解析:本题考察船舶在能见度不良时的声号规则。根据《国际避碰规则》,机动船在能见度不良(如雾中)航行时,应每2分钟鸣放一长两短声(选项A),以表明本船动态。选项B(一短声)通常用于互见中船舶避让的信号;选项C(两长声)无标准使用场景;选项D(三短声)是引航船在船首方向有引航员时的特定信号,均不符合题意。故正确答案为A。38、Inmarineengineering,whatdoestheabbreviation'GM'representinthecontextofshipstability?A.Metacentricradius(distancefromcenterofgravitytometacenter)B.Metacentricheight(verticaldistancebetweencenterofgravityandmetacenter)C.GeometricmodulusofstrengthD.Globalmarginofsafetyforhullstructure
A.Metacentricradius(distancefromcenterofgravitytometacenter)
B.Metacentricheight(verticaldistancebetweencenterofgravityandmetacenter)
C.Geometricmodulusofstrength
D.Globalmarginofsafetyforhullstructure
【答案】:B
解析:本题考察船舶稳性中GM的定义。GM(MetacentricHeight)是船舶重心(G)与稳心(M)之间的垂直距离,直接反映船舶稳性大小。选项A为稳心半径(BM,稳心M到浮心B的距离),选项C和D为无关工程术语。因此正确答案为B。39、Whichofthefollowingbestdefinesagive-wayvesselunderCOLREGs?
A.Avesselwhichmusttakeearlyandsubstantialactiontokeepoutofthewayofanothervessel
B.Avesselwhichhastherightofwayoveranothervessel
C.Avesselthatshouldmaintainitscourseandspeed
D.AvesselthatisnotabletomaneuverasrequiredbyCOLREGs
【答案】:A
解析:Thisquestionexaminesthedefinitionofagive-wayvesselundertheInternationalRegulationsforPreventingCollisionsatSea(COLREGs).OptionAiscorrectbecauseagive-wayvesselislegallyobligatedtotakeearlyandsignificantmeasurestoavoidcollisionwithothervessels.OptionBdescribesastand-onvessel,whichhastherightofwayandshouldmaintainitscourseandspeed.OptionCisthedutyofastand-onvessel,notagive-wayvessel.OptionDreferstoavesselwithrestrictedmaneuverability,whichisadifferentcategoryofvesselunderCOLREGs,notadefinitionofagive-wayvessel.40、AccordingtoCOLREGs,whichvesselmusttakeearlyandsubstantialactiontokeepclearofanothervessel?
A.Stand-onvessel
B.Give-wayvessel
C.Overtakingvessel
D.Crossingvessel
【答案】:B
解析:本题考察国际避碰规则(COLREGs)中船舶行动责任的知识点。根据COLREGs,让路船(Give-wayvessel)的核心义务是尽早采取行动以避免与他船碰撞,而直航船(Stand-onvessel)仅在必要时才需采取行动。选项A的直航船无主动避让义务;选项C的追越船需在追越过程中承担让路责任,但题干为一般性场景,“Give-wayvessel”是最直接的责任主体;选项D的交叉船需根据具体航向判断,并非统一承担避让责任。因此正确答案为B。41、Whentwopower-drivenvesselsarecrossing,whichvesselshallkeepoutofthewayaccordingtotheCOLREGs?
A.Thevesselwhichhastheotheronherportside
B.Thevesselwhichhastheotheronherstarboardside
C.Thelargervessel
D.Thevesselwitharedlightonstarboard
【答案】:B
解析:本题考察避碰规则中交叉相遇船的责任。根据《国际海上避碰规则》,当两艘机动船交叉相遇时,有他船在本船右舷的船(即让路船)应承担避让责任,采取早而明显的行动避免碰撞。选项A描述的是直航船(他船在左舷),选项C无此规则,选项D涉及航行灯(红灯表示左舷船),与交叉相遇规则无关。因此正确答案为B。42、Whenusingradarfornavigation,toeffectivelydetectsmalltargets(e.g.,smallboats),themostcriticaladjustmentisto:
A.Increasetheradar'sgaintomaximum
B.Settherangescaletoanappropriateshortrange
C.Enabletheclutterfiltertoeliminateallseaclutter
D.AdjustthePRF(PulseRepetitionFrequency)tothelowestsetting
【答案】:B
解析:本题考察雷达在小目标探测中的操作要点。选项B正确,调整量程(rangescale)至合适的短距离(如2海里)可放大近距离区域,使小目标更清晰可见。选项A(最大增益)会增加噪声干扰,反而降低目标识别;选项C(关闭杂波滤除)会导致大量杂波掩盖小目标;选项D(最低PRF)会缩短探测距离,无法覆盖小目标可能出现的区域。因此,设置合适的量程是探测小目标的关键。43、Onradardisplay,theechoofafixedobject(e.g.,alandmark)ischaracterizedby______.
A.Continuousmovementacrossthescreen
B.Periodicappearanceanddisappearance
C.Stablepositionandstationaryappearance
D.Rapidflickeringonandoff
【答案】:C
解析:本题考察雷达固定目标回波特征。正确答案为C。固定目标(如岸标、灯浮)的雷达回波因自身位置静止,在屏幕上呈现稳定、不移动的特征。选项A错误,移动目标才会呈现连续运动;选项B错误,固定目标无周期性消失;选项D错误,固定目标回波通常稳定无闪烁。44、InacrossingsituationasperCOLREGs,whichofthefollowingactionsshouldthestand-onvesseltake?
A.Maintaincourseandspeeduntilitisclearthatthegive-wayvesselistakingappropriateactiontoavoidcollision.
B.Immediatelyaltercoursetoporttoavoidcollision.
C.Reducespeedtohalftheoriginalspeedtogivemoretimeforthegive-wayvesseltomaneuver.
D.Soundoneshortblastofthewhistletoindicateintentiontostarboardturn.
【答案】:A
解析:本题考察国际避碰规则(COLREGs)中交叉相遇局面下直航船的义务。根据COLREGsRule14,直航船的核心义务是保持航向和航速,直至确认让路船已采取有效避让行动。选项B错误,直航船无义务主动转向;选项C错误,直航船无需减速;选项D错误,一短声鸣笛非避碰规则中的避让信号。因此正确答案为A。45、根据SOLAS公约要求,船舶救生艇的定期检查周期是?
A.每月进行一次检查
B.每季度进行一次全面检查
C.每半年进行一次降落试验
D.无需定期检查,仅在遇险时启用
【答案】:A
解析:本题考察SOLAS公约中救生设备的维护要求。SOLAS第III章明确规定,救生艇需每月检查设备完整性(如桨、信号弹、淡水等),每3个月进行降落/回收试验,每年进行全面检修。选项B错误,每季度检查周期不符合公约;选项C降落试验周期应为每3个月而非半年;选项D错误,救生艇必须定期检查以确保应急可用性。46、Whichofficerisresponsiblefortheloadingandunloadingofcargoonboardaship?
A.ChiefEngineer
B.Master
C.ChiefOfficer
D.SecondOfficer
【答案】:C
解析:本题考察船舶高级船员职责分工。ChiefOfficer(大副)负责货物的装卸计划、监督和安全管理,是船长的主要助手之一。选项AChiefEngineer(轮机长)负责机舱设备和动力系统;选项BMaster(船长)负责船舶全面指挥;选项DSecondOfficer(二副)负责航行值班和海图作业,均不负责货物装卸。47、InacrossingsituationasperCOLREGs,whichvesselisobligatedtotakeearlyactiontoavoidcollision?
A.Thevesselonthestarboardsideoftheother
B.Thevesselontheportsideoftheother
C.Thefastervessel
D.Thelargervessel
【答案】:A
解析:本题考察国际避碰规则(COLREGs)交叉相遇局面。正确答案为A。根据COLREGs第9条,交叉相遇时,“thevesselwhichhastheotheronherstarboardsideshallkeepoutoftheway”(右舷船为让路船),需主动采取避让行动。B选项“左舷船”在交叉局面中为直航船;C、D选项“速度/吨位优势”不构成让路义务,仅在追越局面中适用。48、WhichGMDSSserviceprovidescontinuousmonitoringofdistressandsafetyinformationonspecifiedfrequencies?
A.Inmarsat-C
B.Inmarsat-F
C.NBDP
D.NAVTEX
【答案】:D
解析:本题考察GMDSS(全球海上遇险与安全系统)服务类型。正确答案为D,“NAVTEX(航行警告系统)”是GMDSS的核心组成部分,通过无线电定期播发航行警告、气象预报、搜救协调等安全信息,在指定频率上持续监控遇险与安全相关内容。选项A(Inmarsat-C)为卫星数据通信,主要用于船岸电传;选项B(Inmarsat-F)为卫星宽带通信;选项C(NBDP)为窄带直接印字电报,用于传统船岸电传,均不具备“持续监控安全信息”的功能。49、Whenavesselismadefasttoaberthwithbothanchorsout,itiscalled______.
A.Singleanchoring
B.Doubleanchoring
C.Streamanchoring
D.Bothanchorsmooring
【答案】:D
解析:本题考察船舶系泊术语。选项A“Singleanchoring”指单锚泊(仅用一个锚);选项B“Doubleanchoring”并非国际海事组织(IMO)标准术语,通常不使用;选项C“Streamanchoring”指流锚泊(利用水流固定,不一定双锚);选项D“Bothanchorsmooring”(双锚系泊)是指船舶双锚出链系泊到泊位的规范表述,符合题意,因此正确答案为D。50、Whenavesselisanchoredinrestrictedvisibility(e.g.,fog),whichsoundsignalshoulditemiteveryminute?
A.Oneprolongedblasteveryminute
B.Twoshortblastseverytwominutes
C.Threeshortblastseveryminute
D.Oneshortblastfollowedbytwolongblasts
【答案】:A
解析:本题考察国际避碰规则(COLREGs)中的声号规定。根据COLREGsRule34,锚泊船在能见度不良时(如雾、霾中),应每分钟鸣放一长声(prolongedblast)以表明自身位置。选项B的两短声不符合锚泊船规定;选项C的三短声通常用于引航船等特殊船舶;选项D的组合声号无对应锚泊场景,故正确答案为A。51、Whichequipmentisspecificallydesignedtoautomaticallytransmitemergencydistresssignalsatsea?
A.EPIRB(EmergencyPositionIndicatingRadioBeacon)
B.SOS(Morsecodedistresssignal)
C.AIS(AutomaticIdentificationSystem)
D.VHF(VeryHighFrequencyradio)
【答案】:A
解析:本题考察船舶应急设备功能。EPIRB(应急无线电示位标)是唯一自动触发并发送遇险信号的设备,通过卫星定位系统(如COSPAS-SARSAT)发送船位信息,对应选项A。选项B(SOS)是摩尔斯电码信号,非设备名称;选项C(AIS)用于船舶识别,不具备自动求救功能;选项D(VHF)需手动操作发送信号,故正确答案为A。52、根据SOLAS公约,每艘船舶应配备的救生艇数量应满足什么要求?
A.至少1艘机动救生艇,能容纳船上总人数的100%
B.至少2艘救生艇,每艘能容纳船上总人数的50%
C.至少1艘非机动救生艇,能容纳船上总人数的75%
D.至少3艘救生艇,每艘能容纳船上总人数的60%
【答案】:A
解析:本题考察SOLAS公约对救生艇配置的要求。SOLAS公约明确规定:每艘船舶应配备至少1艘机动救生艇,且救生艇总容量应能容纳船上总人数的100%(含船员及乘客),以确保紧急情况下所有人员均能安全登乘。选项B(50%容量)和D(60%容量)均未达到最低标准;选项C(非机动救生艇)不符合公约对救生艇“机动优先”的要求。因此正确答案为A。53、Whichinstrumentisusedtodeterminetheship'spositionbymeasuringanglestofixedcelestialbodiesorlandmarks?
A.GPSreceiver
B.Radar
C.Sextant
D.Logbook
【答案】:C
解析:本题考察航海定位仪器的功能。选项A'GPSreceiver'(全球定位系统)通过卫星信号直接定位,无需测量角度;选项B'Radar'(雷达)用于探测目标距离和方位,但不依赖角度测量固定天体;选项C'Sextant'(六分仪)通过测量天体高度或物标方位角计算船位,是传统天文定位的核心工具;选项D'Logbook'(航海日志)是记录航行数据的文书,非定位仪器。因此正确答案为C。54、Intheeventofadistresssituation,whichsignalcombinationisNOTavalidinternationaldistresssignal?
A.Threeshortandonelongblastonthewhistle(SOSsoundsignal)
B.Redrocketsorredparachuteflares(visualdistresssignal)
C.Repeatedflashesofasearchlight(continuoussearchlightflashes)
D.TheMorsecodesignalS.O.S(visualdistresssignal)
【答案】:C
解析:本题考察遇险信号的种类。正确答案为C,因为国际规则中明确禁止使用连续的探照灯闪光作为遇险信号,此类信号易被误认为正常航行灯光。选项A正确,一长两短(SOS)的笛号是国际认可的遇险听觉信号;选项B正确,红色火箭降落伞信号是国际公认的遇险视觉信号;选项D正确,摩尔斯电码S.O.S(...---...)是国际通用的遇险无线电信号。55、WhichEnglishcommandisusedtoorder'Hardtostarboard'forsteering?
A.'Hardaport'
B.'Hardtoport'
C.'Hardtostarboard'
D.'Hardaround'
【答案】:C
解析:ThisquestionisabouttheEnglishcommandforsteering.ThecorrectanswerisC.'Hardtostarboard'isastandardnauticaltermmeaning'hardtostarboard'.OptionA,'Hardaport',isnotastandardterm.OptionB,'Hardtoport',means'hardtoport'(portisleft),whichistheoppositeofthequestion.OptionD,'Hardaround',hasnostandardmeaningasasteeringcommand.56、AccordingtotheISMCode,whichdocumentoutlinestheship’ssafetymanagementobjectivesandprocedures?
A.SafetyManagementManual(SMM)
B.OperationalManual
C.NavigationManual
D.EmergencyProcedureManual
【答案】:A
解析:本题考察船舶安全管理体系(SMS)的核心文件,正确答案为A。解析:SafetyManagementManual(SMM)是ISMCode强制要求船舶配备的关键文件,系统性规定船舶安全管理目标(如防污染、避碰)、操作程序(如航行值班、设备维护)及应急响应流程,是船舶安全管理的纲领性文件。选项B的“OperationalManual”仅涵盖日常操作细节,未涉及安全管理体系框架;选项C的“NavigationManual”侧重航行技术规范,无法体现整体安全管理要求;选项D的“EmergencyProcedureManual”仅针对应急场景,无法覆盖全船安全管理目标。57、Whichofthefollowingistheappropriatedistresssignaltousewhenavesselisinimmediatedangerofsinking?
A.Threeshortblastsontheship'swhistle
B.MaydaycallviaVHFchannel16
C.Flashinglightfromahand-heldsignallamp
D.Threeredrocketsfiredsimultaneously
【答案】:B
解析:本题考察遇险信号的正确使用场景。Mayday是国际通用的船舶遇险呼叫,通过VHF16频道(国际遇险与安全频道)发出,适用于船舶沉没等紧急危险情况。选项A是船舶操纵信号(如离泊前的警告),C是一般遇险信号但非最优先方式,D是国际遇险信号弹但通常用于白天且需配合其他信号,不如Mayday直接明确。58、Duringafireonboard,whichequipmentshouldbeusedtoprotectcrewfrominhalingtoxicsmoke?
A.Fireextinguisher
B.Lifejacket
C.Breathingapparatus
D.Firehose
【答案】:C
解析:本题考察火灾应急设备功能。Breathingapparatus(呼吸装置,如自给式呼吸器)可隔绝有毒烟雾,为船员提供清洁空气,防止吸入,因此C正确。A(灭火器)用于灭火;B(救生衣)提供浮力,与防烟雾无关;D(消防水带)用于灭火或冷却,无防烟雾功能。59、Whichinternationalconventionsetstheminimumstandardsforthetraining,certification,andwatchkeepin
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