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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、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。2、Theverticaldistancefromthewaterlinetotheupperdeckedgeiscalled______innauticalterms.

A.Freeboard

B.Draught

C.Trim

D.Keel

【答案】:A

解析:本题考察航海基本术语。Freeboard(干舷)指水线到上层甲板边缘的垂直距离,是船舶稳性和安全的关键参数。B选项Draught(吃水)是船体浸入水中的深度;C选项Trim(纵倾)指船舶首尾吃水差;D选项Keel(龙骨)是船体底部的纵向结构。因此正确答案为A。3、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。4、Inmaritimenavigation,whatdoestheterm'Way'referto?

A.Theforwardspeedoftheshiprelativetothewater

B.Theabilityoftheshiptomaintainasteadycourse

C.Theanglebetweentheship'sheadingandthetruenorth

D.Therateatwhichtheshipischangingdirection

【答案】:A

解析:本题考察船舶操纵术语。Way特指船舶相对于水的前进速度(船速),是船舶航行中的核心参数。B选项描述的是船舶“保向性”(SteeringAbility);C选项“headingtotruenorth”是船首向,与Way无关;D选项“changingdirectionrate”对应“turningrate”(转舵速率),非Way的定义。因此正确答案为A。5、WhichdocumentismandatoryforaMastertocarryonboardduringinternationalvoyages?

A.InternationalCertificateofFitnessforSeafarers(STCW)

B.InternationalCargoDeclaration

C.SOLASCertificateofCompliance

D.Ship'sStabilityBooklet

【答案】:C

解析:本题考察船舶法定证书要求。正确答案为C。解析:SOLAS(《国际海上人命安全公约》)证书是船舶航行国际航线的必备文件,证明船舶符合安全标准;A选项STCW证书是船员个人资质证明,由船长管理而非携带;B选项货舱申报单是港口作业文件;D选项船舶稳性手册是操作指南,非强制携带的证书。6、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。7、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。8、Whichofthefollowingtermsinnavigationreferstotheactualspeedofthevesselrelativetotheground(seabed)?

A.Speedoverground(SOG)

B.Boatspeed

C.Relativespeed

D.Speedthroughwater(STW)

【答案】:A

解析:本题考察航海核心术语,正确答案为A。在航海中,“Speedoverground(SOG)”即对地速度,指船舶相对于海底或固定参考点的实际航速,是船长判断船舶航行位置和到达时间的关键指标。选项B“Boatspeed”(船速)表述模糊,非标准术语;选项C“Relativespeed”(相对速度)指两物体间的速度差,与对地速度无关;选项D“Speedthroughwater(STW)”(船速)仅反映船舶相对于水流的速度,未考虑水流影响。9、AccordingtoSTCWConvention,themastershallensureduringnavigationwatchthat:

A.Thenavigationwatchismaintainedinasafemanner

B.Allcrewmembersholdvalidcertificates

C.VHFcommunicationiscontinuouslymonitored

D.Theship'sspeedisadjustedhourly

【答案】:A

解析:本题考察STCW公约中船长的航行值班职责。选项B'Allcrewmembersholdvalidcertificates'是船长职责之一,但STCW公约核心强调“安全值班安排”,而非单纯检查证书;选项C'VHFcommunicationiscontinuouslymonitored'属于驾驶员日常通信职责,非船长必须确保的“值班安全”核心;选项D'Theship'sspeedisadjustedhourly'无强制时间要求,属于操纵判断而非值班保障。正确答案A'Thenavigationwatchismaintainedinasafemanner'符合STCW公约对船长确保安全值班的明确要求。10、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。11、UndertheInternationalRegulationsforPreventingCollisionsatSea(COLREGs),whichofthefollowingscenariosdefinesacrossingsituation?

A.Twovesselswitharelativebearingof0°andtheircoursesareconvergingrapidly

B.Theircoursescross,andthereexistsariskofcollisionbetweenthem

C.Onevesselovertakesanother,andtheovertakenvesselisonitsstarboardside

D.Bothvesselsnavigateinthesamedirectionwithchangingrelativebearings

【答案】:B

解析:本题考察国际避碰规则(COLREGs)中交叉局面的定义。交叉局面的核心特征是两船航向交叉且存在碰撞危险。选项A描述的是对遇局面(head-onsituation),此时两船航向几乎相反;选项C描述的是追越局面(overtakingsituation),追越船需承担让路责任;选项D不符合交叉局面的基本定义,更接近平行航向但未交叉的情况。正确答案为B,因其严格符合COLREGs中交叉局面的定义。12、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。13、Theofficeronwatchshouldgivetheorder'______'whenthemasterwantstheshiptoreducespeed.

A.Reducespeed

B.Slowdownimmediately

C.Stoptheengine

D.Holdspeed

【答案】:A

解析:本题考察航海英语指令规范。“Reducespeed”(选项A)是船长要求减速的标准指令。选项B“Slowdownimmediately”语气过强(仅紧急避让使用);选项C“Stoptheengine”是停车指令;选项D“Holdspeed”意为保持速度,与题意相反。故正确答案为A。14、WhatisthecoreobjectiveoftheISMCodeforshipsafetymanagement?

A.Ensuresafeoperationofshipsandpreventionofmarinepollution

B.Minimizecrewfatigueduringlongvoyages

C.Reducefuelconsumptionthroughoptimalrouteplanning

D.Complywithportstatecontrolrequirements

【答案】:A

解析:本题考察ISM规则(InternationalSafetyManagementCode)的核心目标。ISMCode(SOLASCh.IX)明确要求船舶安全管理体系(SMS)的核心目标是“确保船舶安全营运(safeoperation)并防止海洋污染(preventionofmarinepollution)”。选项B(船员疲劳管理)、C(燃油消耗优化)、D(港口国检查合规)均属于SMS的辅助目标,非核心,故正确答案为A。15、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。16、Whichinstrumentisusedtomeasurethedirectionofthewindrelativetotheship'sheading?

A.Anemometer

B.Windvane

C.Magneticcompass

D.Echosounder

【答案】:B

解析:Thisquestionisaboutidentifyingtheinstrumentusedtomeasurewinddirection.OptionBiscorrectbecauseawindvaneisspecificallydesignedtoshowthedirectionfromwhichthewindisblowingrelativetotheship'sheading.OptionA,anemometer,isusedtomeasurewindspeed,notdirection.OptionC,amagneticcompass,isusedtodeterminethedirectionoftheship'sheading,notthewinddirection.OptionD,anechosounder,isusedtomeasurewaterdepth,notwind.17、船舶遭遇紧急情况(如碰撞、火灾)时,最有效的初始求救信号方式是?

A.使用VHF频道16(国际遇险与安全频道)发送SOS

B.仅通过AIS自动广播遇险信息

C.用雷达扫描周围水域并持续鸣笛

D.直接向最近港口VTS中心发送常规通话

【答案】:A

解析:本题考察GMDSS应急通信规范。船舶遇险时,VHF频道16发送SOS是最直接有效的初始信号(选项A正确)。选项B错误,AIS需手动激活遇险模式,无法自动广播;选项C错误,雷达仅用于探测,无法直接求救;选项D错误,常规VHF通话无法触发应急响应,需明确发送遇险信号。18、Whichlightorshapeisdisplayedbyavesselengagedinfishingwhennotunderway?

A.All-roundwhitelight

B.Anchorlight

C.Threeblackballs

D.Redandgreennavigationlights

【答案】:C

解析:本题考察国际避碰规则中号灯号型的使用。从事捕鱼作业的船舶在非航行状态(如锚泊)时,根据《国际避碰规则》应显示“三个黑色球体”(选项C)作为号型;A项航行灯仅在航行时使用;B项锚灯是锚泊船的专用号灯,无论是否捕鱼均适用,但题目强调“从事捕鱼”的特殊标识;D项红绿航行灯是船舶航行时的基本航行灯,故C为正确答案。19、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.20、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。21、AccordingtoSOLASandISMCode,whichdocumentmustbemaintainedonboardashiptoverifycompliancewithsafetymanagementrequirements?

A.SafetyManagementCertificate(SMC)

B.DocumentofCompliance(DOC)

C.InternationalLoadLineCertificate

D.MARPOLAnnexICertificate

【答案】:A

解析:本题考察ISM规则下船舶必备安全管理文件。根据ISMCode,SafetyManagementCertificate(SMC,安全管理证书)是船舶层面的核心文件,用于证明船舶已建立并实施安全管理体系,符合SOLAS公约及公司安全管理要求。B选项“DOC”(DocumentofCompliance,符合证明)是公司层面的合规证明文件,非船舶必备;C选项“InternationalLoadLineCertificate”(国际载重线证书)是船舶稳性检验证书,与安全管理体系无关;D选项“MARPOLAnnexICertificate”(防油污证书)是船舶防污染检验文件,不属于安全管理范畴。因此正确答案为A。22、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。23、AccordingtoSTCWConvention,whichofthefollowingistheMaster'sprimaryresponsibility?

A.Ensurethesafenavigationoftheshipandcompliancewithinternationalregulations

B.Supervisecargoloading/unloadingandmaintaincargorecords

C.Operatetheship'sradiocommunicationequipmentandsenddistresssignals

D.Conductregularengineroominspectionsandmaintainengineperformance

【答案】:A

解析:本题考察STCW公约中船长的核心职责。船长的首要职责是确保船舶安全航行并遵守国际法规,涵盖航行安全、防污染、船员管理等全局事务。B选项属于大副职责;C选项通常由驾驶员或GMDSS操作员负责;D选项为轮机长职责。因此正确答案为A。24、Whenshouldanincidentinvolvingthevessel(e.g.,collision,grounding)berecordedinthelogbook?

A.Aftercompletingtheincidentinvestigation

B.Immediatelyuponoccurrence

C.Beforeproceedingtoseathenextday

D.Onlyiftheincidentcausescrewinjury

【答案】:B

解析:本题考察航海日志(Logbook)记录规范的知识点。根据《国际海道测量组织(IHO)指南》,航海日志需对船舶发生的任何事故、险情或异常情况(包括碰撞、搁浅、污染等)在发生时立即记录,以确保信息的准确性和时效性。选项A(事故调查后)会导致信息滞后;选项C(次日记录)违反“即时性”原则;选项D(仅记录人员受伤)过于片面,任何船舶相关事故均需记录。因此正确答案为B。25、WhichvesselisREQUIREDtokeepoutofthewayofallothervesselsinatrafficseparationscheme(TSS)accordingtoCOLREGs?

A.AvesselcrossingtheTSSfromonesidetotheother.

B.AvesselenteringtheTSSfromtheside.

C.AvesselovertakinganothervesselwithintheTSS.

D.AvesselanchoredattheouterlimitoftheTSS.

【答案】:A

解析:本题考察国际避碰规则(COLREGs)中交通分道制(TSS)的避让责任,正确答案为A。根据COLREGs第10条,穿越分道通航制(TSS)的船舶(crossingvessel)需以最小角度穿越并避让分道内的直航船。选项B(进入TSS的船舶)应从端部进入,无需主动避让;选项C(追越船)仅需给被追越船让路;选项D(锚泊船)禁止在TSS内锚泊。因此A正确。26、Inradarnavigation,whatdoes'TrueMotionDisplay(TMD)'show?

A.Relativemotionoftargetwithrespecttoownship

B.Truemotionoftargetwithrespecttofixedreference

C.Onlythetarget'sheadingandspeed

D.Trueheadingofthetargetonly

【答案】:B

解析:本题考察雷达显示模式的概念。正确答案为B,‘TrueMotionDisplay’(真运动显示)以真北为固定参考系,显示目标相对于地理坐标的实际运动轨迹。A选项‘Relativemotion’(相对运动显示)为RMD(RelativeMotionDisplay)的定义;C选项‘Onlyheadingandspeed’(仅航向和航速)描述过于片面,TMD需显示运动轨迹;D选项‘Trueheadingonly’(仅真航向)忽略了航速信息,不符合雷达标绘的基本要求。27、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。28、Whenashipencountersatropicalcyclone,theoptimalevasionstrategyisto?

A.Acceleratethroughthecyclone'sforwardsemicircle

B.Steertheshiptoavoidthecyclone'spathbyatleast200nauticalmiles

C.Enterthecyclone'seyetotakeshelterfromstrongwinds

D.Maintaincourseandspeedto'outrun'thecyclone

【答案】:B

解析:本题考察热带气旋避航策略。正确答案为B。热带气旋中心气压极低,周围风力极强,船舶应保持至少200海里的安全距离绕避,避免进入其危险半圆或风眼区。选项A加速穿越会增加遭遇强风的风险;选项C进入风眼虽短暂平静但仍有巨浪和突然回南风;选项D维持原航向无法有效避灾。29、WhichcertificateisessentialforaMastertolegallycommandanocean-goingcargovessel?

A.Master'sCertificateofCompetency

B.BasicSafetyTraining(BST)Certificate

C.InternationalShipSecurityCertificate

D.MedicalFitnessCertificateforSeafarers

【答案】:A

解析:Thisquestionexaminestheessentialcertificatesforamaster.ThecorrectanswerisA.The'Master'sCertificateofCompetency'isthelegalcertificateprovingthatthemasterhastheabilitytocommandanocean-goingcargovessel.OptionB,theBasicSafetyTraining(BST)Certificate,isonlyacertificateofbasicsafetytraininganddoesnotgrantcommandauthority.OptionC,theInternationalShipSecurityCertificate,isacertificateforthesecuritysystemoftheshipandisnotrelatedtothemaster'scommandqualification.OptionD,theMedicalFitnessCertificate,onlyprovesthehealthstatusoftheseafarerandisnotthecorecertificateforcommand.30、WhichofthefollowingisthecorrectEnglishtermandfunctiondescriptionfor'EPIRB'inGMDSSsystem?

A.EmergencyPositionIndicatingRadioBeacon,usedtotransmitdistresssignalswhenavesselisindanger

B.SearchAndRescueTransponder,usedtorespondtoradarsignalsfromrescueships

C.GlobalMaritimeDistressandSafetySystem,usedforgeneralmaritimecommunication

D.VeryHighFrequencyDirectionFinder,usedtolocateVHFsignals

【答案】:A

解析:本题考察GMDSS中EPIRB的术语及功能。EPIRB全称是EmergencyPositionIndicatingRadioBeacon,中文为应急无线电示位标,主要功能是船舶遇险时自动发射遇险信号。选项B描述的是SART(搜救应答器),C是GMDSS系统整体而非单个设备,D是VHFDF(甚高频测向仪),均不符合题意。31、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。32、WhichVHFchannelisinternationallyrecognizedastheprimarydistressandsafetychannelformaritimecommunications?

A.VHFChannel70

B.VHFChannel16

C.VHFChannel80

D.VHFChannel13

【答案】:B

解析:本题考察船舶遇险通信频道。VHFChannel16(156.8MHz)是国际公认的遇险与安全专用频道(选项B正确)。选项AChannel70主要用于EGC安全信息播发,选项C、D非国际遇险专用频道,因此错误。33、InnauticalEnglish,theterm'way'mostaccuratelyrefersto______.

A.Speedoftheshipthroughthewater

B.Distancefromthenearestland

C.Headingofthevesselrelativetothecurrent

D.Verticaldistancefromkeeltowaterline

【答案】:A

解析:本题考察航海术语“way”的定义。正确答案为A,因为“way”在航海英语中特指船在水中的前进速度或船的前进状态(如“makeway”表示船在前进)。B选项“距岸距离”对应“distancefromshore”,C选项“船的航向”对应“heading”,D选项“吃水”对应“draft”,均不符合“way”的定义。34、Duringashipboardfire,ifthefirespreadsrapidlyanddirectsuppressionisimpossible,theimmediateactionshouldbeto?

A.Closeallventilationsystemstopreventoxygeninflow

B.Abandontheshipimmediatelyregardlessofdamage

C.ActivateCO2fireextinguishingsystemtosmotherthefire

D.Releasefoamtoblankettheburningarea

【答案】:A

解析:本题考察船舶火灾应急处置。正确答案为A。当火势无法控制时,关闭通风系统可切断氧气供应,防止火势因氧气充足而进一步蔓延扩大。选项B弃船是最后手段,非最佳选择;选项C和D均需靠近火源操作,在火势蔓延时不可行;而关闭通风是快速控制火势的有效措施。35、关于船舶航行中遇到的“涌浪”(Swell),以下描述正确的是?

A.涌浪是由当地风暴直接产生的近岸波浪

B.涌浪具有周期短、波高小的特点

C.涌浪对船舶航行的影响主要是使船舶产生较大的横摇和纵摇

D.涌浪通常伴随强风,能见度低

【答案】:C

解析:本题考察气象海洋学中涌浪的特性。涌浪是由远处风暴或扰动传播至无浪区的长周期波浪,其特点为周期长(通常8-20秒)、波高大、传播远,对船舶航行的主要影响是引发船舶横摇和纵摇。选项A错误(涌浪非当地风暴直接产生);选项B错误(涌浪周期长而非短);选项D错误(涌浪通常伴随弱风或无风,能见度与涌浪无直接关联)。36、Whichtermreferstothemaximumamountofwaterthatashipcandisplacewithoutexceedingitssafeloadline?

A.Displacement

B.DeadweightTonnage

C.LoadLine

D.Tonnage

【答案】:C

解析:Thisquestionteststheunderstandingofkeynauticalterms.TheLoadLineisthetermthatindicatesthemaximumamountofwaterashipcandisplacewithoutexceedingitssafeloadline,whichiscrucialforensuringtheship'ssafenavigation.Displacementreferstothetotalweightofwaterdisplacedbytheship.DeadweightTonnageisthetotalweightofcargo,fuel,andsuppliestheshipcancarry.Tonnageisameasureoftheship'ssizeandvolume.Therefore,thecorrectanswerisC.37、Iftwovesselsareonacrossingcourse,andonevesselobservestheother'ssternlight,whichrulegovernstheirinteraction?

A.Head-onsituation(Rule13)

B.Overtakingsituation(Rule14)

C.Crossingsituation(Rule15)

D.Collisionavoidance(Rule19)

【答案】:C

解析:本题考察交叉相遇局面(CrossingSituation)的定义。根据COLREGsRule14,当两船航向交叉且一船看到另一船的尾灯(sternlight)时,属于交叉相遇局面,此时有让路船和直航船之分。选项A(对遇局面)应同时看到对方的前后桅灯,排除;选项B(追越局面)需一船位于另一船的尾追方向,与尾灯无关;选项D(Rule19)为碰撞危险条款,非相遇局面,故正确答案为C。38、Whichterminnavigationreferstothespeedofavesselrelativetotheseabedorland?

A.Boatspeed

B.Groundspeed

C.Relativespeed

D.Trawlspeed

【答案】:B

解析:本题考察航海术语的英文表达。选项B正确,“Groundspeed”指对地速度(船相对于海底/陆地的速度)。选项A(Boatspeed)指船速(相对于水的速度);选项C(Relativespeed)指相对速度(两物体间的速度差);选项D(Trawlspeed)指拖网速度,与题意无关。因此正确答案为B。39、WhichofthefollowingisNOTaprimaryobjectiveoftheInternationalSafetyManagement(ISM)Codeforaship'ssafetymanagementsystem?A.EnsuringsafenavigationandpreventionofcollisionsB.PreventingpollutionofthemarineenvironmentC.Ensuringtheship'smaximumoperationalefficiencyatalltimesD.Preventinglossoflifeorinjurytopersonnel

A.Ensuringsafenavigationandpreventionofcollisions

B.Preventingpollutionofthemarineenvironment

C.Ensuringtheship'smaximumoperationalefficiencyatalltimes

D.Preventinglossoflifeorinjurytopersonnel

【答案】:C

解析:本题考察ISM规则的核心目标。ISM规则明确要求船舶安全管理体系以保障海上安全(含防碰撞)、防止人员伤亡、防止海洋环境污染为首要目标,而非以追求最大运营效率为目标。选项A、B、D均为ISM规则的核心目标,选项C偏离安全管理本质。因此正确答案为C。40、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。41、在国际避碰规则(COLREGs)中,当两船相遇且一船为直航船时,直航船的首要职责是?

A.保持航向和航速,直到确定让路船已经采取了足够的避让行动

B.立即转向以避免碰撞

C.减速以减少会遇距离

D.鸣放五短声警告让路船

【答案】:A

解析:本题考察国际避碰规则中直航船的职责知识点。直航船的核心职责是保向保速(keepcourseandspeed),除非让路船未采取足够避让行动且碰撞危险紧迫,此时直航船才需采取必要行动。选项B和C均为直航船不应主动实施的行为(除非特殊紧迫情况);选项D错误,避碰规则中无“五短声”警告信号,属于干扰项。42、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。43、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。44、WhichofthefollowingisNOTanecessaryconditionfortheapplicationofthe'GiveWay'rule(COLREGsRule17)?

A.Whentwovesselsareinsightofeachother

B.Whenthereisariskofcollisionbetweenthevessels

C.WhentheGive-WayvesselisonthestarboardsideoftheStand-Onvessel

D.Whenthevesselsareapproachingeachotheronconvergingcourses

【答案】:C

解析:本题考察避碰规则(COLREGs)知识点。正确答案为C,COLREGsRule17中“GiveWay”(让路)规则适用于两船接近有碰撞危险时(A、B、D均为必要条件),但“让路船在直航船右舷”并非必要条件——直航船与让路船的位置关系可通过交叉相遇、追越等多种场景形成,非让路规则的前提条件。A、B、D均为让路船适用的典型场景条件。45、AccordingtoCOLREGs(InternationalRegulationsforPreventingCollisionsatSea),whichofthefollowingisNOTarequirementformaintainingaproperlookout?

A.Relyingsolelyonradarfordetectingnearbyvessels

B.Usingvisualandauditoryobservationinadditiontoradar

C.Consideringweatherandseaconditionswhenassessinglookoutcapability

D.Usingallavailablemeans(e.g.,VHF,AIS)todetectpotentialhazards

【答案】:A

解析:本题考察船舶避碰规则中瞭望要求。COLREGs明确要求瞭望需结合视觉、听觉及所有可用手段(如雷达、VHF、AIS),且不可仅依赖雷达(因雷达存在盲区和局限性)。B、C、D均符合瞭望要求,而A选项“仅依赖雷达”违反瞭望规则,故正确答案为A。46、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。47、Whichcommandisusedtoimmediatelystopthevessel'sforwardmovement?

A.Harda-port

B.Puttheenginesastern

C.Stopengines

D.Fullspeedahead

【答案】:C

解析:Thisquestionfocusesonshipmaneuveringcommands.'Stopengines'directlymeanstohaltthepropulsionsystemoftheship,whichcanimmediatelystoptheforwardmovement.'Harda-port'isacommandtoturntheruddertotheleft,whichisforchangingdirectionratherthanstopping.'Puttheenginesastern'isforreversingtheenginestoslowdownorback,butitdoesnotstoptheshipimmediately.'Fullspeedahead'istoincreasetheship'sspeed.Therefore,thecorrectanswerisC.48、AccordingtoCOLREGs,whichvesselshallkeepoutofthewaywhentwopower-drivenvesselsareinacrossingsituation?

A.Thevesselonthestarboardsideoftheothervessel

B.Thevesselontheportsideoftheothervessel

C.Thefastervessel

D.Thelargervessel

【答案】:A

解析:本题考察交叉相遇局面的避让规则。根据COLREGs,交叉相遇时,右舷有他船的船舶(即相对另一艘船处于右舷位置的船舶)为让路船,需主动避让。B选项左舷有他船的船舶非让路船;C、D选项速度和吨位非避让责任的判断依据。因此正确答案为A。49、Whichofthefollowinginformationmustberecordedintheship'slogbookaccordingtointernationalregulations?

A.Vessel'sheading,speed,position,weatherconditions,visibility

B.Alldetailsofengineroomoperations

C.Crewmembers'dailyschedulesandmeals

D.Detailsofnavigationequipmentmaintenance

【答案】:A

解析:本题考察航海日志记录规范。根据《国际海上避碰规则》,航海日志需记录船舶动态(航向、航速、船位)、航行环境(天气、能见度、海况)及关键操作,对应选项A。选项B(机舱操作细节)属于机舱日志;选项C(船员日程)为船上管理记录;选项D(设备维护)属于设备维修记录,均非航海日志核心内容,故正确答案为A。50、TheBeaufortWindForceScaleisusedtomeasurewhichofthefollowing?

A.Winddirection

B.Windspeed

C.Waveheight

D.Atmosphericpressure

【答案】:B

解析:本题考察气象观测工具。BeaufortWindForceScale(蒲福风级表)专门用于测量风力(即风速)。A风向由风向标测量;C浪高需通过波高仪或目测海况判断;D大气压由气压计测量,均非蒲福风级表的功能。51、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。52、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。53、Whichnavigationalinstrumentisusedtodeterminetheship’sheadingrelativetotheEarth’smagneticpoles?

A.MagneticCompass

B.Gyrocompass

C.GPSReceiver

D.ElectronicChartDisplayandInformationSystem(ECDIS)

【答案】:A

解析:本题考察航海仪器的功能差异,正确答案为A。解析:MagneticCompass(磁罗经)通过地球磁场(地磁北极)指示船舶航向,直接测量相对磁北的方向,是船舶必备的基础导航设备(尤其作为GPS/陀螺罗经失效时的备用设备)。选项B的Gyrocompass(陀螺罗经)基于陀螺定轴性原理,通常指示真北(TrueNorth),精度更高但依赖电力和维护;选项C的GPSReceiver(全球定位系统)用于定位而非直接指示航向;选项D的ECDIS是电子海图系统,辅助航行规划而非航向测量。题干强调“relativetomagneticnorth”,因此磁罗经是唯一符合的选项。54、WhichofthefollowingisacorerequirementoftheInternationalSafetyManagement(ISM)Code?

A.EstablishingadocumentedSafetyManagementSystem(SMS)

B.Conductingmonthlydrillsforfireandabandonshipscenarios

C.Maintainingalogbookwithaccurateengineroomentries

D.EnsuringallcrewmembersholdavalidSTCWcertificate

【答案】:A

解析:本题考察ISM规则的核心要求。ISM规则的核心是公司建立并实施文件化的安全管理体系(SMS),以规范船舶安全操作。选项B(每月消防/弃船演习)是SMS的具体执行内容,非核心要求;选项C(机舱记录准确的航海日志)属于日常操作范畴,与ISM规则无关;选项D(船员持有STCW证书)属于STCW公约范畴,非ISM规则的要求。因此正确答案为A。55、船舶发生火灾时,船长在指挥应急行动时的首要任务是?

A.组织扑灭火灾

B.确保所有船员安全撤离

C.保护船舶主机及舵机

D.记录火灾事故详情

【答案】:B

解析:本题考察船舶应急指挥的优先级。根据《国际海事规则》,船舶应急行动中,“人员安全”是首要原则,船长需优先确保船员及乘客的生命安全,再考虑财产保护。选项A(扑灭火灾)需在人员安全前提下进行;选项C(保护主机)是次要目标;选项D(记录详情)属于事后工作。因此正确答案为B。56、Whichtermdescribestheabilityofashiptoreturntoitsoriginalpositionafterbeinginclinedbyanexternalforceinstillwater?

A.StaticStability

B.TransverseStability

C.LongitudinalStability

D.DynamicStability

【答案】:A

解析:本题考察船舶稳性的基本概念。StaticStability(静态稳性)特指船舶在倾斜外力作用下,于静水中恢复到原始平衡位置的能力,适用于小角度倾斜的情况。B选项TransverseStability(横向稳性)仅描述船舶绕纵轴倾斜时的稳性,是静态稳性的一种类型;C选项LongitudinalStability(纵向稳性)指绕横轴倾斜的稳性,属于不同方向的稳性;D选项DynamicStability(动态稳性)涉及船舶倾斜过程中的能量变化(如摇摆幅度),而非仅恢复到原位置。因此正确答案为A。57、Theterm'meandraft'inship'sterminologyisdefinedas______.

A.Themaximumdraftmeasuredatanypoint

B.Theaverageoftheforwardandafterdrafts

C.Theminimumdraftrequiredforsafenavigation

D.Thedraftmeasuredatthemidshipsection

【答案】:B

解析:本题考察船舶吃水术语“meandraft”。正确答案为B,“meandraft”特指船舶首尾吃水的平均值,用于计算船舶稳性、排水量等关键参数。A选项为“maximumdraft”(最大吃水),C选项为“minimumsafedraft”(最小安全吃水),D选项为“midshipdraft”(船中吃水),均与“meandraft”定义不符。58、Whatdoestheterm'freeboard'refertoinshipterminology?

A.Theverticaldistancefromtheloadwaterlinetotheupperdeckedge

B.Thehorizontaldistancebetweentwoadj

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