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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、Whichtermreferstotheactionofashipturningtobringthesterntowardsthedirectionfromwhichthewindisblowing?

A.Sternway

B.Counter-steering

C.Deadslowahead

D.Fullspeedastern

【答案】:B

解析:本题考察船舶操纵术语。正确答案为B,“Counter-steering(反操舵)”指船舶通过转向使船尾朝向风向来源的操作,通常用于强风中调整船身姿态,避免横风导致的偏航。选项A(Sternway)指船尾向前运动;选项C(Deadslowahead)为“微速前进”,属于航速指令;选项D(Fullspeedastern)为“全速倒车”,属于推进指令,均不符合题意。2、Whatdoestheabbreviation'SOLAS'standforinmaritimeregulations?

A.SafetyofLifeatSea

B.StandardOperationandSafetyofShipping

C.ShipboardOperationsandLegalCompliance

D.SeamanshipandOperationalSafetyStandards

【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,是保障船舶航行安全的核心公约。B、C、D选项均为错误的扩展解释,正确答案为A。3、ToobtainaMaster'sCertificateofCompetencyunderSTCW,whichofthefollowingisamandatoryrequirement?

A.Completionofarecognizedmaritimetrainingprogram

B.Minimumseaserviceof36monthsasaMaster

C.Successfulcompletionofwrittenandpracticalexaminations

D.Alloftheabove

【答案】:D

解析:STCWrequirescandidatestocompleteapprovedmaritimetrainingprograms(A),accumulateaminimumof36monthsofseaserviceasaMaster(B),andpassbothwrittenandpracticalexaminations(C).Sinceallthesearemandatoryrequirements,Disthecorrectanswer.4、Whatdoesthephrase'puttheshipabout'meaninnavigation?

A.Stoptheship

B.Puttheshipinreverse

C.Changethedirectionoftheship(turnaround)

D.Increasetheship'sspeed

【答案】:C

解析:本题考察船舶操纵指令术语。正确答案为C,“puttheshipabout”意为“掉头”,即改变船舶航向;A选项“Stoptheship”通常对应“bringtheshiptoahalt”;B选项“Puttheshipinreverse”指倒车;D选项“Increasetheship'sspeed”指加速,均为错误选项。5、AccordingtoSOLASConvention,thelifeboatshallbeabletolaunchwithin______minutesincaseofemergency.

A.5

B.10

C.15

D.20

【答案】:B

解析:本题考察SOLAS公约中救生设备要求。SOLAS明确规定,救生艇应能在紧急情况下10分钟内完成释放,以确保遇险人员快速撤离。A选项5分钟过短,C和D选项超过公约最低标准。因此正确答案为B。6、WhichVHFchannelshouldbeusedforemergencydistresscallsatsea?

A.Channel16

B.Channel6

C.Channel13

D.Channel70

【答案】:A

解析:本题考察VHF通信规范。正确答案为A。解析:Channel16(156.8MHz)是国际公认的遇险与安全频道,适用于直接语音紧急呼叫;Channel6(156.525MHz)主要用于港口交通协调;Channel13(156.550MHz)用于近岸VHF通信;Channel70(156.525MHz)为数字选择性呼叫(DSC)专用,需配合其他设备使用。遇险紧急呼叫应优先使用16频道。7、Whichweatherphenomenonischaracterizedbyarapidlyrotatingcolumnofairextendingfromacumulonimbuscloudtotheground,oftencausingseveredamage?

A.Cyclone

B.Tornado

C.Hurricane

D.Typhoon

【答案】:B

解析:本题考察航海气象中极端天气现象的定义。Tornado(龙卷风)是强烈旋转的空气柱,从积雨云延伸至地面,破坏力极强,符合题干描述。A选项“Cyclone”(气旋)是大范围低气压系统,风力分布较均匀;C选项“Hurricane”(飓风)和D选项“Typhoon”(台风)均为大西洋和西北太平洋地区的热带气旋,中心风力强但范围更广,与“旋转空气柱”的局部性特征不符。因此正确答案为B。8、WhatistheprimarypurposeofaVoyageDataRecorder(VDR)?

A.Torecordengineroomtemperatureandpressure.

B.Tostorenavigationalandship'smotiondataforpost-incidentanalysis.

C.Tomonitortheship'scargoloadingandunloadingoperations.

D.Torecordallradiocommunicationsbetweenthebridgeandshore.

【答案】:B

解析:本题考察航行数据记录仪(VDR)功能,正确答案为B。VDR的核心功能是记录航行关键数据(如GPS位置、航向、航速)和船舶运动参数(如横摇、纵摇),用于事故后分析。选项A(机舱数据)由主机监测系统记录;选项C(货物操作)属于货物记录日志;选项D(无线电通讯)由VHF/SSB记录器完成。因此B正确。9、Whatisthefullformoftheabbreviation'EPIRB'usedinmaritimeemergencies?

A.EmergencyPosition-IndicatingRadioBeacon

B.EmergencyPosition-IndicatingRadarBeacon

C.EmergencyPosition-IndicatingBroadcastBeacon

D.EmergencyPosition-IndicatingBiometricBeacon

【答案】:A

解析:本题考察国际海事应急设备的英文全称。EPIRB(EmergencyPosition-IndicatingRadioBeacon)是遇险船舶发射遇险信号的关键设备,通过无线电信号定位遇险位置。B选项中的“RadarBeacon”(雷达信标)对应SART(搜救雷达应答器),与EPIRB功能不同;C选项“BroadcastBeacon”(广播信标)无此标准缩写;D选项“BiometricBeacon”(生物信标)属于无关术语。因此正确答案为A。10、AccordingtotheInternationalRegulationsforPreventingCollisionsatSea(COLREGs),whentwopower-drivenvesselsareinacrossingsituation,whichvesselhastherightofway(shallkeeponcourseandspeed)?A.ThevesselthatisonthestarboardsideoftheotherB.ThevesselthatisontheportsideoftheotherC.ThefastervesselD.Thevesselthatfirstdetectstheother

A.Thevesselthatisonthestarboardsideoftheother

B.Thevesselthatisontheportsideoftheother

C.Thefastervessel

D.Thevesselthatfirstdetectstheother

【答案】:B

解析:本题考察交叉相遇局面中直航船的判断。根据COLREGs第9条,当两机动船交叉相遇且存在碰撞危险时,位于让路船右舷的船舶(让路船)需避让另一船(直航船),直航船(位于让路船左舷)享有保向保速的权利。选项A为让路船(需采取避让),选项C和D非COLREGs交叉局面的优先规则依据。因此正确答案为B。11、WhichofthefollowingisacorerequirementoftheInternationalSafetyManagement(ISM)Code?

A.ThemastershallensuretheshipoperateswithavalidSafetyManagementSystem(SMS)

B.Theshipmustcarryaminimumof10lifejacketsforcrewmembers

C.Thevessel'sradioequipmentmustpassannualinspections

D.Theship'screwmustattendmonthlysafetydrills

【答案】:A

解析:本题考察ISM规则核心要求。ISM规则要求建立并维护有效的安全管理体系(SMS),船长负责确保SMS的合规运行。B选项救生衣数量、C选项无线电年检、D选项月度演练均非ISM规则强制要求(属于具体操作细节)。因此正确答案为A。12、UnderSOLASConvention,everyshipof500grosstonsormoreshallcarryatleastonelifeboatcapableoflandinghowmanypeople?

A.25%oftheship'scomplement

B.50%oftheship'scomplement

C.100%oftheship'scomplement

D.150%oftheship'scomplement

【答案】:C

解析:本题考察SOLAS公约救生设备配备要求。正确答案为C,依据《国际海上人命安全公约》(SOLAS)第III章,500总吨及以上船舶必须至少配备1艘救生艇,其容量应能承载船上100%的船员(包括所有甲板部、机舱部等人员),确保遇险时全员安全撤离。选项A(25%)、B(50%)人数不足,无法覆盖所有船员;选项D(150%)超出实际需求,公约未要求冗余容量。13、Whennavigatinginanarrowchannel,whichofthefollowingisaprimaryconcernforthehelmsman?

A.Maintainingaconstantspeedregardlessoftrafficdensity

B.Avoidingexcessiveuseoftheenginethrottletopreventpropellerwash

C.Minimizingthevessel'swaketoavoiddisturbingnearbyships

D.Alloftheaboveareimportantconsiderations

【答案】:D

解析:本题考察狭水道航行的操纵要点。选项A错误,安全航速需根据交通密度调整;选项B正确,螺旋桨尾流(wash)可能导致附近船舶失控或偏移;选项C正确,减小船尾流(wake)可避免影响周围小船或航道设施;选项D(以上均正确)为正确答案,因为狭水道航行需综合考虑速度、螺旋桨影响及尾流干扰等因素。14、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.15、Incaseofafireonboard,whichradiocommunicationprocedureshouldtheMasterusetoimmediatelyalertnearbyvessels?

A.Mayday

B.Pan-Pan

C.DistressSignal

D.SignalFlagQ

【答案】:A

解析:本题考察船舶遇险通讯程序。Mayday是国际海事遇险信号中最紧急的通讯方式,适用于船舶面临碰撞、火灾等危及生命安全的情况;Pan-Pan用于紧急但非危及生命的情况(如设备故障);DistressSignal(遇险信号)是信号类型统称,非具体通讯程序;SignalFlagQ(字母旗Q)是视觉遇险信号,非无线电通讯的首选方式。因此正确答案为A。16、Whatdoestheabbreviation'LOA'standforinmaritimeterms?

A.LengthBetweenPerpendiculars

B.LengthOverall

C.Beam

D.Draft

【答案】:B

解析:本题考察航海基础术语缩写含义。选项A'LengthBetweenPerpendiculars'是垂线间长(LBP),选项B'LengthOverall'是总长(LOA),即从船首柱前端到船尾柱后端的最大长度,选项C'Beam'指船宽,选项D'Draft'指吃水。因此正确答案为B。17、Whichofthefollowingtermsreferstotheabilityofashiptoreturntoitsoriginalpositionafterbeingheeledbyexternalforces(usuallysmallangles)?

A.Initialstability

B.Finalstability

C.Dynamicstability

D.Longitudinalstability

【答案】:A

解析:本题考察船舶稳性的基本概念,正确答案为A。解析:初稳性(Initialstability)特指船舶在小角度倾斜(如由风浪引起的横倾)后,依靠水线面面积产生的复原力矩恢复至初始平衡状态的能力,是船舶稳性的基础衡量指标。选项B的“Finalstability”并非航海标准术语,通常不用于描述小角度倾斜后的稳性;选项C的“Dynamicstability”关注船舶倾斜过程中能量变化(如倾斜角与复原力矩的积分),属于大角度稳性分析,与题干“smallangles”不符;选项D的“Longitudinalstability”指船舶在纵向(首尾方向)的稳性,与题干“returntooriginalpositionafterbeingheeled”(横倾后复原)的横向稳性无关。18、WhichstatementabouttheInternationalCodeofSignals(ICS)isCORRECT?

A.ICSsignalsaremandatoryforallshipsnavigatingininternationalwaters.

B.ICSuseslettersandnumberstorepresentmessagesforcommunicationatsea.

C.TheICSdistresssignalisrepresentedbytheletter'Q'(singleflaghoist).

D.ICSsignalsmustbesentinpairs(e.g.,twoflags)toconveymeaningfulmessages.

【答案】:B

解析:本题考察国际信号规则(ICS)的核心内容。正确答案为B,ICS通过字母、数字和符号组合成信号码组(如字母码、数字码、组合码),用于船舶间的通信(如船舶动态、气象、求救等信息)。选项A错误,ICS为推荐性信号规则,非强制使用;选项C错误,字母“Q”旗(单旗)是“请求引航”信号,遇险信号为“N”旗(单旗)+“R”旗(单旗)组合(“NR”);选项D错误,ICS信号可通过单旗、双旗或多旗组合发送,并非必须成对。19、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。20、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。21、WhichVHFchannelisinternationallyrecognizedasthedistressandsafetychannelformaritimecommunications?

A.Channel13

B.Channel16

C.Channel70

D.Channel80

【答案】:B

解析:本题考察VHF遇险安全频道。Channel16(VHF16频道)是国际公认的遇险与安全专用频道,所有船舶遇险时应优先使用,因此B正确。A(13频道)主要用于港口交通;C(70频道)是SART应答频道;D(80频道)非国际通用遇险频道。22、Whichtermreferstothespeedatwhichavesselcanbestoppedandturnedinagivendistance,consideringprevailingseaconditionsandnavigationalhazards?

A.Safespeed

B.Minimumspeed

C.Maximumspeed

D.Steamingspeed

【答案】:A

解析:本题考察安全航速的定义。根据《国际海上避碰规则》及航海实践,安全航速(Safespeed)是指船舶在当时环境和情况下,能够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。B选项“Minimumspeed”(最低速度)无行业定义,仅指理论下限;C选项“Maximumspeed”(最高速度)是船舶设计的最大航行速度,未考虑安全因素;D选项“Steamingspeed”(航行速度)是船舶通常航行时的速度,不涉及安全停船距离。因此正确答案为A。23、Whichtypeofentryintheship'slogbookshouldbemadeimmediatelywhenacollisionorgroundingoccurs?

A.Routineentry

B.Emergencyentry

C.Dailysummaryentry

D.Regularmaintenanceentry

【答案】:B

解析:Thisquestionisabouttherequirementsforship'slogbookentries.Whenacollisionorgroundingoccurs,whicharesignificantemergencyevents,anemergencyentryshouldbemadeimmediatelyintheship'slogbook.Routineentriesarefordailyoperations,dailysummaryentriesareforsummarizingdailywork,andregularmaintenanceentriesareforrecordingmaintenancework.SothecorrectanswerisB.24、Theterm'speedthroughthewater'isdefinedastheship'sspeedrelativeto______?

A.Water

B.Seabed

C.Atmosphere

D.Othervessels

【答案】:A

解析:本题考察船舶速度术语的定义。'Speedthroughthewater'(船速)指船舶相对于水的速度,而对地速度(speedoverground)需考虑水流影响。选项B(Seabed)是对地速度的参考系;选项C(Atmosphere)不适用;选项D(Othervessels)非船速定义范畴。因此正确答案为A。25、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。26、AccordingtoSOLASConvention,eachshipshallbeequippedwithatleasthowmanylifeboatsforrescue?

A.2lifeboats

B.1lifeboat

C.3lifeboats

D.4lifeboats

【答案】:A

解析:本题考察SOLAS公约中救生设备的基本要求。SOLAS公约(国际海上人命安全公约)规定,货船至少需配备2艘救生艇,客船需根据吨位和乘客数量增加配置(通常不少于2艘)。选项B'1lifeboat'(1艘救生艇)不符合公约最低要求;选项C'3lifeboats'和D'4lifeboats'为额外配置,非最低标准。因此正确答案为A。27、Whichofthefollowingtermsreferstoaself-propelledvesseldesignedprimarilyforcarryingcargo?

A.Passengership

B.Cargoship

C.Tugboat

D.Fishingvessel

【答案】:B

解析:ThisquestionexaminestheEnglishterminologyofshiptypes.ThecorrectanswerisBbecausea'Cargoship'isaself-propelledvesselmainlydesignedfortransportinggoods.OptionA,'Passengership',ismainlyusedforcarryingpassengers.OptionC,'Tugboat',ismainlyusedfortowingothervesselsorobjects.OptionD,'Fishingvessel',ismainlyusedforfishingoperationsanddoesnotmeettherequirementsofthequestion.28、WhichAnnexofMARPOLConventionisconcernedwiththepreventionofpollutionbyship'sgarbage?

A.AnnexI

B.AnnexII

C.AnnexV

D.AnnexVI

【答案】:C

解析:本题考察MARPOL公约附则内容。MARPOL公约附则V(AnnexV)专门针对船舶垃圾污染的防止与控制,规定了垃圾收集、分类、处理和排放的标准。选项AAnnexI针对油类污染;选项BAnnexII针对有毒液体物质污染;选项DAnnexVI针对船舶空气污染,均不符合题意。29、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。30、Whatdoestheterm'makingway'meaninnauticalcontext?

A.Thevesselisunderwayandmovingforwardwithspeed

B.Thevesselisatanchor

C.Thevesselisdriftingwiththecurrentwithoutenginepower

D.Thevesselhasstoppeditsenginesandisdeadinthewater

【答案】:A

解析:Thisquestionfocusesonthenauticalterm'makingway'.OptionAiscorrectbecause'makingway'specificallyindicatesthatthevesselisunderwayandhasforwardspeed.OptionBmeansthevesselisanchoredandnotmovingforward.OptionCdescribesdrifting,whichisadifferentstatewherethevesselisnotpropellingitselfandisjustmovingwiththecurrent.OptionDmeansthevesselhasnopowerandisstationary,whichis'deadinthewater',not'makingway'.31、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.32、UnderSTCWConvention,theminimumrequirementsforawatchkeepingofficerincludeallEXCEPT______.

A.Competenceinseamanship

B.Proficiencyinnavigation

C.Abilitytohandleemergencies

D.Masteryofalllanguages

【答案】:D

解析:本题考察STCW公约值班驾驶员要求。STCW公约(《国际海员培训、发证和值班标准公约》)要求值班驾驶员具备:A.航海技能(seamanship)、B.导航熟练度(navigation)、C.应急处理能力(emergencies)等专业能力。选项D“Masteryofalllanguages”(精通所有语言)并非公约强制要求,值班人员仅需具备英语沟通能力,无需掌握所有语言,因此正确答案为D。33、WhatdoesECDISstandforinmaritimecontext?

A.ElectronicChartDisplayandInformationSystem

B.ElectronicCompassDisplayandInformationSystem

C.EmergencyCommunicationandDataInformationSystem

D.EnvironmentalControlandDisplayInformationSystem

【答案】:A

解析:本题考察航海电子设备缩写。正确答案为A,ECDIS的全称是“ElectronicChartDisplayandInformationSystem”(电子海图显示与信息系统),用于船舶航行中的电子海图显示和信息服务。选项B错误,ECDIS不涉及罗盘(Compass);选项C和D错误,与“应急通信”或“环境控制”无关。34、WhatistheprimaryresponsibilityoftheMasterinimplementingtheSafetyManagementSystem(SMS)?

A.CompiletheSMSmanual

B.EnsuretheSMSiseffectivelyoperated

C.ConductinternalauditsofSMS

D.TraincrewforSMScompliance

【答案】:B

解析:本题考察船长在安全管理体系中的核心职责。选项A'CompiletheSMSmanual'(编写SMS手册)通常由公司指定部门完成,船长负责执行而非编制;选项B'EnsuretheSMSiseffectivelyoperated'(确保SMS有效运行)是船长的法定职责,需通过日常监督、应急处置等确保体系落地;选项C'Conductinternalaudits'(执行内部审核)由指定审核员或公司安全管理部门负责;选项D'TraincrewforSMSrequirements'(培训船员符合SMS要求)属于公司培训部门职责,船长协助落实。因此正确答案为B。35、AccordingtoMARPOLAnnexV,howshouldplasticwastebedisposedofatsea?

A.Allowedtobedischarged

B.Prohibitedfrombeingdischarged

C.Permittedafterportstateapproval

D.Onlyallowedinspecificseaareas

【答案】:B

解析:本题考察MARPOL公约附则V关于垃圾管理的规定。正确答案为B,因为MARPOL附则V明确禁止船舶向海洋排放塑料垃圾,以防止对海洋生态造成污染。A选项与公约规定相悖;C和D均不符合该附则的严格禁止条款。36、船舶发生火灾,当火势蔓延到机舱,船长应首先采取的措施是?

A.组织船员灭火

B.下令弃船

C.关闭机舱通风

D.启动应急发电机

【答案】:C

解析:本题考察船舶火灾应急处置。关闭机舱通风(C)可切断氧气供应,有效延缓火势蔓延,是控制初期火灾的关键措施;选项A组织灭火需在控制通风后进行;选项B弃船是最后逃生手段,非首要措施;选项D启动应急发电机与控制火势无直接关联。因此正确答案为C。37、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。38、Whichinternationalmaritimesignalflagindicates'Ihaveapilotonboard'?

A.Flag'P'(Papa)

B.Flag'H'(Hotel)

C.Flag'N'(November)

D.Flag'Y'(Romeo)

【答案】:A

解析:Thisquestiontestsinternationalsignalflags.ThecorrectanswerisA:Flag'P'(Papa)isspecificallyusedtoindicateapilotisonboard.B(Hotel)signalsmedicalassistance;C(November)indicatesaground;D(Romeo)indicatesinabilitytomove.Theseoptionstestrecognitionofstandardsignalflagmeanings.39、Inshiphandling,whatdoesthecommand'Puttheengineastern'mean?

A.Slowdowntheenginetoaminimumspeed

B.Reversethepropellertomovetheshipbackward

C.Increaseenginespeedtomaximumahead

D.Maintainthecurrentcourseandspeed

【答案】:B

解析:本题考察船舶操纵指令中“astern”的含义。“Puttheengineastern”意为“将主机倒车”,即通过反转螺旋桨使船舶后退。选项A是“slowahead”或“idle”的含义,C是“fullahead”(全速前进),D是“maintaincourse”(保向保速),均不符合题意。40、AccordingtoSOLASConvention,thelifeboatsofashipshouldbestowedsuchthattheycan______.

A.Belaunchedonlyfromtheportside

B.Belaunchedonlyfromthestarboardside

C.Berapidlylaunchedfromeitherside

D.Bestowedinthehighestdecktoensurevisibility

【答案】:C

解析:本题考察SOLAS公约中救生艇存放要求。正确答案为C。SOLAS公约明确救生艇应设计为能从船的两侧迅速降落,以确保船舶遇险时(如倾斜、沉没),可从任一舷侧快速释放,保障应急救援效率。选项A、B错误,仅单侧存放无法应对复杂海况下的双向应急需求;选项D错误,最高甲板易受船舶倾斜影响,且不利于快速降落操作。41、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。42、AccordingtoSOLASConvention,whichstatementaboutthemaster'snavigationwatchresponsibilityisCORRECT?

A.Themastershallbeonthebridgewhenevertheshipisnavigatinginrestrictedvisibility.

B.Themastermustpersonallyassumecommandofthebridgewatchduringallnavigationoperations.

C.Themastermaydelegatethenavigationwatchkeepingdutiestothechiefofficerifthevisibilityisgood.

D.Themastershallensurethatthebridgeismannedwithatleasttwoqualifiedofficersatalltimes.

【答案】:A

解析:本题考察SOLAS公约中船长在航行值班中的职责。正确答案为A,SOLAS公约第V章明确要求,当船舶在能见度不良水域航行时,船长必须亲自在驾驶台指挥,确保船舶安全航行。选项B错误,船长仅在必要时(如能见度不良、通航密集等特殊情况)亲自指挥,非所有航行操作均需亲自指挥;选项C错误,船长不得随意将航行值班职责完全委托给大副,需根据实际情况决定;选项D错误,STCW公约对驾驶台人员配备有具体要求(如至少一名驾驶员和瞭望人员),并非强制“至少两名”。43、WhichofthefollowingshouldtheMasterensurethatallcrewmembershavereceivedtrainingin?

A.Fire-fightingprocedures

B.Navigationequipmentoperation

C.BothAandB

D.NeitherAnorB

【答案】:C

解析:本题考察船舶安全管理要求。根据ISMCode,船长需确保船员接受消防(fire-fighting)和导航设备操作(navigationequipmentoperation)等必要培训,以保障船舶航行安全和应急处置能力。A、B单独均不全面,D错误,船员培训是船长法定职责。44、AccordingtoSOLASConvention,whichdocumentmustthemasterkeepreadilyavailableonboard?

A.Ship'sInternationalCargoDeclaration

B.Ship'sSafetyManagementCertificate(SMC)

C.InternationalLoadLineCertificate

D.PassengerListforallvoyages

【答案】:B

解析:本题考察SOLAS公约核心文件要求。正确答案为B,《船舶安全管理证书(SMC)》是SOLAS公约要求船长随时备妥的关键文件,证明船舶符合安全管理规范;A选项载货申报单非强制必备;C选项载重线证书(LoadLineCertificate)虽重要,但非“随时可用”的核心管理文件;D选项乘客名单仅客船需按类型准备,均为错误选项。45、Whennavigatinginanarrowchannel,theMastershould______toensuresafepassage.

A.DelegatethenavigationresponsibilitytotheChiefOfficer

B.Remaininthecabintoreviewtherouteplan

C.Beonthebridgetopersonallysupervisethenavigation

D.Requestthepilottoleavethebridgeimmediately

【答案】:C

解析:本题考察狭水道航行中船长的指挥职责。船长需亲自在驾驶台监督航行以确保安全(选项C正确)。选项A违背船长决策职责,选项B无法履行指挥职能,选项D错误(引航员在狭水道航行中通常需留任驾驶台协助)。46、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。47、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。48、AccordingtoSOLASConvention,whereshouldlifeboatsbestowedtoensurerapidlaunchinginanemergency?

A.Onlyonthestarboardsideoftheshipforeasyaccess.

B.Distributedonbothsidesoftheshipwiththeirdavitsreadyforimmediatelowering.

C.Alllifeboatsmustbestowedinthehighestpossiblepositiontoavoidflooding.

D.Lifeboatsshouldbeplacedintheforwardsectiontofacilitateearlyevacuation.

【答案】:B

解析:本题考察SOLAS公约中救生艇存放要求。SOLASRegulationIII/1明确要求救生艇应分布在船舶两舷,且配备随时可降落的吊艇架(davits)。选项A错误,救生艇不可仅存于右舷;选项C错误,最高位置易受恶劣天气影响且不利于快速操作;选项D错误,前部存放可能影响船舶稳性。因此正确答案为B。49、Whennavigatingincoastalwaters,whichequipmentisprimarilyusedtodeterminetheexactdepthofwaterunderthevessel?

A.Echosounder

B.Radar

C.GPSreceiver

D.Magneticcompass

【答案】:A

解析:本题考察船舶助航设备的功能。正确答案为A。解析:Echosounder(回声测深仪)通过声波反射测量水深,是获取精确水深信息的核心设备;Radar(雷达)主要用于目标探测与避碰;GPSreceiver(全球定位系统)用于定位坐标;Magneticcompass(磁罗经)用于确定航向。因此,测深作业中应优先使用回声测深仪。50、Whichinternationaldistresssignalshouldbeusedwhenashipisinimmediatedangerrequiringurgentassistance?

A.SOS

B.MAYDAY

C.PAN-PAN

D.SECURITE

【答案】:B

解析:本题考察国际遇险信号的规范使用。选项A'SOS'是摩尔斯电码遇险信号,但现代国际海事通信中已普遍以语音'MAYDAY'作为遇险信号(SOS仅作为辅助);选项C'PAN-PAN'为紧急信号(非遇险,仅表示紧急情况需帮助);选项D'SECURITE'用于发布安全信息,非遇险信号。根据《国际海上避碰规则》及《无线电规则》,正确答案为B'MAYDAY',即船舶遇险时的标准语音求救信号。51、WhichofthefollowingisthecorrectfullformofSOLAS?

A.InternationalConventionfortheSafetyofLifeatSea

B.InternationalConventionfortheSafetyofNavigationatSea

C.InternationalConventionfortheSafetyofShipOperations

D.InternationalConventionfortheSafetyofMaritimeTraffic

【答案】:A

解析:本题考察SOLAS公约的英文全称。SOLAS(《国际海上人命安全公约》)的标准全称为“InternationalConventionfortheSafetyofLifeatSea”(选项A)。选项B将“Life”错误替换为“Navigation”(航行);选项C混淆为“ShipOperations”(船舶操作);选项D混淆为“MaritimeTraffic”(海上交通),均不符合公约正式名称。故正确答案为A。52、Whatdoestheradiocall'Mayday,Mayday,Mayday'indicateinmaritimecommunication?

A.Generalsafetywarning

B.Emergencydistresssignal

C.Vessel'sroutinepositionreport

D.Navigationinstruction

【答案】:B

解析:本题考察国际遇险通信规则。'Mayday'是国际通用的遇险求救信号,由船舶、飞机等遇险时连续发送,用于请求紧急援助。选项A'Generalsafetywarning'(一般安全警告)通常使用'Pan-Pan'信号;选项C'Vessel'sroutinepositionreport'(船舶常规船位报告)使用'NavigationalMessage'格式;选项D'Navigationinstruction'(航行指令)不属于求救信号范畴。因此正确答案为B。53、Whichinstrumentisusedtomeasuretheship'sheadingrelativetothemagneticnorth?

A.MagneticCompass

B.Gyrocompass

C.GPSReceiver

D.EchoSounder

【答案】:A

解析:本题考察航海仪器的功能。MagneticCompass(磁罗经)通过地球磁场指示船舶航向相对于磁北的角度;Gyrocompass(陀螺罗经)基于陀螺原理指示真北航向,精度更高但不依赖磁场;GPSReceiver(GPS接收机)用于定位与导航,非航向测量;EchoSounder(回声测深仪)用于测量水深。因此正确答案为A。54、WhichweathersystemischaracterizedbyacentrallowpressureandcounterclockwisewindcirculationintheNorthernHemisphere?

A.TropicalCyclone

B.Anticyclone

C.Mid-latitudeCyclone

D.MonsoonDepression

【答案】:A

解析:本题考察航海气象学基础知识。热带气旋(TropicalCyclone)在北半球因科里奥利力呈逆时针旋转,中心气压极低(低压),符合题干描述。选项B错误,反气旋(Anticyclone)为中心高压,北半球顺时针旋转;选项C错误,温带气旋虽中心低压,但常伴随锋面活动,旋转特征不如热带气旋典型;选项D错误,季风低压是热带气旋的一种特殊类型,题干问“天气系统类型”,热带气旋更具代表性。故正确答案为A。55、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。56、Whichtypeoffogisformedwhenwarm,moistairmovesoveracoldseasurface,commonlyoccurringincoastalareas?

A.Advectionfog

B.Radiationfog

C.Steamfog

D.Upslopefog

【答案】:A

解析:本题考察海雾的形成类型。平流雾(Advectionfog)由暖湿空气流经冷海面(或冷陆面)时,空气冷却凝结形成,常见于沿海地区(如中国东南沿海夏季)。选项B(辐射雾)由地面辐射冷却使近地面空气降温凝结,多见于晴朗夜间;选项C(蒸汽雾)是冷空气流经暖水面,暖水面蒸发水汽遇冷形成;选项D(上坡雾)由空气沿山坡上升冷却凝结形成。因此正确答案为A。57、Whichofthefollowingistheinternationallyrecognizeddistresssignalbyradio?

A.Mayday

B.Pan-pan

C.SOS

D.Help

【答案】:A

解析:本题考察国际遇险信号的英语表达。Mayday是国际通用的遇险信号,由三个重复的“Mayday”组成,用于船舶、航空器等在严重危险情况下的紧急呼救。选项B“Pan-pan”表示紧急但非遇险情况(如设备故障);选项C“SOS”是摩尔斯电码信号,已逐渐被Mayday取代,不再作为主要遇险信号;选项D“Help”不是国际标准遇险信号,因此A为正确答案。58、WhicherrortypeinGlobalPositioningSystem(GPS)positioningisprimarilycausedbysatelliteclockinaccuracies?

A.Ionosphericdelay

B.Ephemeriserror

C.Clockerror

D.Multipathinterference

【答案】:C

解析:本题考察GPS定位误差的成因。卫星时钟误差(Clockerror)是由于卫星自身原子钟的计时偏差导致的定位误差,属于主要误差源之一。选项A电离层延迟由大气电离层对信号的折射引起;选项B星历误差(Ephemeriserror)源于卫星轨道数据偏差;选项D多路径误差(Multipathinterference)由信号反射干扰造成。正确答案为C,卫星钟差直接影响时间同步精度,进而导致定位偏差。59、UnderSOLASConvention,ashipwithagrosstonnageof500ormoremustcarryatleast______lifeboatstoensureallcrewandpassengerscanberescued.

A.onelifeboatequaltotheship’scapacity

B.twolifeboatsregardlessoftheship’ssize

C.threelifeboatsforshipsover10000GT

D.nospecificnumber,justsuffici

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