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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、Whichinternationalconventionprimarilygovernsthesafetyoflifeatseaforships?

A.SOLAS

B.MARPOL

C.STCW

D.COLREGs

【答案】:A

解析:本题考察国际海事公约知识点。正确答案为A,SOLAS(InternationalConventionfortheSafetyofLifeatSea)即《国际海上人命安全公约》,专门规定船舶结构、设备及操作标准以保障海上人命安全。B选项MARPOL(《国际防止船舶造成污染公约》)侧重船舶防污染;C选项STCW(《海员培训、发证和值班标准国际公约》)规范船员资质与值班行为;D选项COLREGs(《国际避碰规则》)仅针对船舶避让操作,未覆盖全船安全体系。2、Whatisthefullformof'DOC'inthecontextofshipsafetymanagement?

A.DocumentofCompliance

B.DesignatedOfficerCertificate

C.DangerousOperationsCertificate

D.DeficiencyObservationCode

【答案】:A

解析:本题考察SMS体系中的核心证书术语。正确答案为A,‘DOC’即‘DocumentofCompliance’(符合证明),由船旗国主管机关签发,证明船舶公司符合安全管理体系要求。B选项‘DesignatedOfficerCertificate’(指定人员证书)为船舶安全管理体系中的岗位证书;C选项‘DangerousOperationsCertificate’(危险操作证书)非通用术语;D选项‘DeficiencyObservationCode’(缺陷观察代码)为港口国检查用语,与DOC无关。3、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。4、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。5、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。6、Whichfireextinguishingsystemisessentialforcombatingelectricalfiresintheengineroom?

A.CO2system

B.Foamsystem

C.Watermistsystem

D.Drychemicalpowdersystem

【答案】:A

解析:Thisquestionassessesfiresafetyknowledge.ThecorrectanswerisA:CO2systemsarecriticalforelectricalfiresbecausetheyextinguishbydisplacingoxygenwithoutwaterorresiduedamage.B(foam)andD(drypowder)contaminateequipment;C(watermist)riskselectricalshock.CO2istheonlynon-conductive,non-damagingoptionforengineroomelectricalfires.7、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。8、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。9、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。10、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。11、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。12、WhichdocumentisessentialforthemastertoensurecompliancewithSOLASregulations?

A.SafetyManagementManual(SMS)

B.InternationalSeafarer'sIdentityDocument

C.Ship'sLoadLineCertificate

D.NavigationEquipmentCalibrationRecord

【答案】:A

解析:本题考察船舶安全管理体系(SMS)的核心文件知识点。SOLAS公约要求船舶建立安全管理体系,船长需依据《安全管理手册(SafetyManagementManual)》确保船员操作符合法规要求。选项B(船员证件)是船员资质证明,非管理文件;选项C(载重线证书)仅证明船舶结构合规,与SOLAS安全管理无关;选项D(设备校准记录)属于日常维护,无法体现整体合规性。因此正确答案为A。13、GPS定位系统中,用于提高定位精度的差分GPS英文缩写是?

A.DGPS

B.GPS

C.GLONASS

D.AIS

【答案】:A

解析:本题考察航海导航设备英文缩写。DGPS(DifferentialGPS)即差分全球定位系统,通过地面差分基准站向船舶提供修正数据,大幅提高GPS定位精度;选项B“GPS”为基础全球定位系统,无差分修正功能;选项C“GLONASS”是俄罗斯全球导航卫星系统,与差分无关;选项D“AIS”为船舶自动识别系统,非定位系统。因此正确答案为A。14、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。15、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。16、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。17、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。18、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。19、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。20、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。21、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。22、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。23、InacrossingsituationasdefinedinCOLREGs,whichvesselisthegive-wayvessel?

A.Thevesselonthestarboardsideoftheothervessel

B.Thevesselontheportsideoftheothervessel

C.Thevesselwiththegreaterspeed

D.Thevesselwiththesmallerspeed

【答案】:A

解析:本题考察《国际海上避碰规则》(COLREGs)中交叉相遇局面的让路船定义。根据COLREGsRule14,交叉相遇局面中,‘thevesselwhichhastheotheronherstarboardside’(即相对于让路船,他船位于本船右舷)是让路船。B错误,因左舷他船的船舶为直航船;C、D错误,速度非交叉相遇局面中判断让路船的依据。24、Inradarrelativemotiondisplay,whatdoestherelativemotionofatargetvesselindicate?

A.Theactualspeedanddirectionofthetargetrelativetotheseabed.

B.Thetarget'sspeedanddirectionasseenfromtheperspectiveoftheownvessel.

C.Themaximumrangeatwhichthetargetcanbedetectedbytheradar.

D.Thetimeittakesfortheradarsignaltotraveltothetargetandback.

【答案】:B

解析:本题考察雷达相对运动显示(RMD)的概念。相对运动显示中,本船静止不动,目标船的运动轨迹反映其相对于本船的速度和方向。选项A描述的是真运动显示(TMD)中目标相对于海底的运动;选项C是雷达量程(Range),与运动无关;选项D是雷达脉冲传播时间(EchoDelay),非运动参数。因此正确答案为B。25、AccordingtoCOLREGsRule14(Head-onsituation),whatactionshouldtheMastertakewhentwovesselsapproachhead-on?

A.Altercoursetoportandpassstarboardtostarboard

B.Altercoursetostarboardandpassporttoport

C.Reducespeedtominimumimmediately

D.Soundfiveshortandrapidblaststowarn

【答案】:B

解析:Thisquestiontestscollisionavoidanceprinciples.ThecorrectanswerisB,asCOLREGsRule14mandatesalteringcoursetostarboardforhead-onvesselstopassport-to-port,ensuringsafeseparation.Aisincorrect(wrongdirection);Cisasecondarymeasure,nottheprimaryrule-basedaction;Ddescribesacollisionwarningsignal,notarequiredhead-onmaneuver.26、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.27、Whichweatherphenomenonischaracterizedbyarotatingcolumnofairextendingfromathunderstormtotheground?

A.Monsoon

B.Cyclone

C.Tornado

D.Hurricane

【答案】:C

解析:本题考察气象术语的定义。C项“Tornado”(龙卷风)是由雷暴延伸至地面的旋转气柱;A项“Monsoon”(季风)是季节性风向反转现象;B项“Cyclone”(气旋)是大范围低气压系统;D项“Hurricane”(飓风)是热带气旋的一种(大西洋地区)。因此,旋转气柱的特征对应龙卷风,答案为C。28、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。29、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。30、Whichinternationalconventionsetstheminimumstandardsforthetraining,certification,andwatchkeepingofseafarers?

A.SOLAS(InternationalConventionfortheSafetyofLifeatSea)

B.MARPOL(InternationalConventionforthePreventionofPollutionfromShips)

C.STCW(StandardsofTraining,CertificationandWatchkeepingConvention)

D.COLREGs(InternationalRegulationsforPreventingCollisionsatSea)

【答案】:C

解析:本题考察国际海事公约的核心内容。STCW公约(StandardsofTraining,CertificationandWatchkeepingforSeafarers)明确规定了海员培训、证书和值班的最低标准,确保船舶安全航行。A选项SOLAS公约聚焦船舶结构安全和救生设备;B选项MARPOL公约针对船舶防污染;D选项COLREGs是避碰规则,规范船舶航行避让行为。因此正确答案为C。31、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。32、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。33、AccordingtoSTCWConvention,theMastermayauthorizeanofficertomaintainthenavigationwatchinwhichofthefollowingsituations?

A.Whenthevisibilityisreducedduetoheavyfog

B.Whentheofficerhassufficientexperienceinallweatherconditions

C.Whenthevesselisinanopenseawithgoodvisibilityandnonearbyvessels

D.Whentheshipisinanarrowchannelwithclearwaterdepth

【答案】:C

解析:本题考察STCW公约中航行值班授权规则。根据STCW公约A-VI/1部分,船长可授权驾驶员保持航行值班的前提是:船舶处于安全水域、能见度良好、周围无航行障碍物或其他船舶。选项A错误,因能见度不良(如大雾)时驾驶员瞭望受限,船长不得授权;选项B仅强调经验,忽略环境安全要求;选项D错误,狭水道航行需船长亲自监督,因航道复杂易发生碰撞。选项C符合“开阔水域、能见度良好、无附近船舶”的安全条件,故正确。34、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。35、Innarrowwaters,themostcommonmethodforsafenavigationis______.

A.Piloting

B.ParallelHeading

C.Leeway

D.Tacking

【答案】:A

解析:本题考察狭水道航行方法知识点。正确答案为A,因为在狭水道航行时,引航员(Piloting)凭借专业知识和经验引导船舶安全通过,是国际通用的安全航行方法。B选项“ParallelHeading”(平行航向)仅指航行姿态,非方法;C选项“Leeway”(偏航)是船舶因水流/风产生的自然偏移现象,非航行方法;D选项“Tacking”(抢风调向)是帆船特有的航向调整操作,不适用于机动船狭水道航行。36、UnderSTCWCode,theterm'Watchkeeping'refersto______.

A.Theresponsibilityofofficerstomaintaintheship'scourse

B.Thedutyofpersonneltoensurethesafenavigationandoperationoftheshipwhileonwatch

C.Theprocessofconductingregularinspectionsoftheship'sequipment

D.Thepracticeofusingradarfordetectingnearbyvessels

【答案】:B

解析:本题考察STCW公约值班定义知识点。正确答案为B,STCWCode中“Watchkeeping”明确指值班人员在值班期间确保船舶安全航行与操作的职责,涵盖航行、设备监控、应急处置等全流程。A选项仅描述“保持航向”,片面;C选项“设备检查”属于日常维护,非值班核心职责;D选项“雷达探测”是航行辅助手段,非值班的定义性描述。37、Whentheofficerreports'Theshipismaking12knots',whichstatementiscorrect?

A.Theshipismovingat12kilometersperhour

B.Theship'sengineisrunningat12revolutionsperminute

C.Theshipismovingat12nauticalmilesperhour

D.Theshiphasadraftof12meters

【答案】:C

解析:本题考察船舶速度单位术语。航海中“knot(节)”是标准单位,定义为“nauticalmileperhour(海里/小时)”。选项A(公里/小时)是陆地速度单位,错误;选项B(发动机转速,rpm)与船速无关;选项D(吃水深度)混淆了“速度”与“吃水”概念。正确答案为C。38、WhichVHFchannelisusedforinternationalmaritimedistressandsafetycommunications?

A.Channel16

B.Channel70

C.Channel13

D.Channel80

【答案】:A

解析:Thisquestionisaboutmaritimecommunication.VHFChannel16istheinternationallydesignatedchannelformaritimedistressandsafetycommunications.Channel70ismainlyusedforemergencypositioningindicatingradiobeacons(EPIRB)andsearchandrescuetransponders(SART)insomespecificsituations.Channels13and80arenottheprimarychannelsfordistresscommunications.SothecorrectanswerisA.39、AccordingtoSOLASConvention,whichofthefollowingisamandatorylife-savingappliancerequirement?

A.Lifebuoyswithself-ignitinglightsandbuoyantlines

B.Atleast10lifejacketsforeachpersononboard

C.Lifeboatwithcapacityfor50%ofthecrew

D.Radarreflectorsonallliferafts

【答案】:A

解析:本题考察SOLAS公约第III章救生设备要求。根据SOLASIII/14,救生圈(lifebuoys)必须配备自亮浮灯(self-ignitinglights)和浮索(buoyantlines),以确保遇险时的可见性和可操作性。选项B错误,SOLAS要求每人至少1件救生衣(而非10件);选项C错误,救生艇容量应满足全船人员;选项D错误,雷达应答器(而非反射器)是遇险信号设备,故正确答案为A。40、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。41、UndertheCOLREGs(InternationalRulesforPreventingCollisionsatSea),whichvesselmusttakeearlyandsubstantialactiontoavoidcollisionwhentwovesselscross?

A.Stand-onvessel

B.Give-wayvessel

C.Overtakingvessel

D.Anchoredvessel

【答案】:B

解析:COLREGsdefine'Give-wayvessel'astheoneobligatedtotakeearlyavoidanceactionincrossingsituations.'Stand-onvessel'(A)maintainscourse/speed.'Overtaking'(C)isadifferentscenario,and'Anchoredvessel'(D)hasright-of-wayoverapproachingvessels.CorrectanswerisB.42、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。43、Whichdocumentisessentialforashiptoconductinternationalvoyages?

A.Master’sSeaman’sBook

B.InternationalShipSafetyCertificate

C.InternationalCargoDeclaration

D.PortClearance

【答案】:B

解析:本题考察船舶国际航行必备文件。“InternationalShipSafetyCertificate”(选项B,国际船舶安全证书)是证明船舶符合《国际海上人命安全公约》(SOLAS)安全标准的核心文件。选项A“Master’sSeaman’sBook”仅证明船长资质;选项C“InternationalCargoDeclaration”是港口作业单据;选项D“PortClearance”是离港手续,均非船舶航行资质文件。故正确答案为B。44、WhichdocumentisNOTrequiredforaMaster'sCertificateofCompetencyundertheSTCWConvention?

A.CertificateofCompetency

B.MedicalFitnessCertificate

C.PassengerList

D.ContinuousTrainingRecord

【答案】:C

解析:本题考察STCW公约对船长适任证书的要求。CertificateofCompetency(适任证书)是必备的;MedicalFitnessCertificate(健康证明)是STCW要求的基础文件;ContinuousTrainingRecord(连续培训记录)用于证明船长持续符合技能要求。而PassengerList(乘客名单)是船舶航行中需记录的临时文件,不属于适任证书本身的必备文件,因此正确答案为C。45、AccordingtoSOLASandCOLREGs,theminimumlengthrequirementforashiptoberequiredtocarryanAutomaticIdentificationSystem(AIS)is______.

A.20meters

B.10meters

C.30meters

D.50meters

【答案】:A

解析:本题考察船舶AIS配备的法规要求,正确答案为A。根据国际公约,长度20米及以上的船舶(无论航行区域)均需配备AIS。选项B(10米)长度过短,不符合要求;选项C(30米)和D(50米)均高于法定最低要求,非正确答案。46、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)。47、GPS定位系统确定船位的核心原理是?

A.利用卫星与船载设备的时间差计算距离

B.通过多普勒效应测量船速

C.基于雷达回波定位障碍物

D.依赖地磁场方向确定方位

【答案】:A

解析:本题考察GPS定位原理。GPS通过接收至少4颗卫星的信号,利用卫星与船载设备的时间差计算距离(伪距),再通过三角测量法确定船位。选项B(多普勒效应)是雷达测速原理;选项C(雷达回波)用于雷达导航而非GPS;选项D(地磁场)是磁罗经原理。因此正确答案为A。48、WhenamasterreceivesadistressalertviaInmarsat-C,thefirstactionshouldbeto______.

A.Issueadistresssignal(e.g.,S.O.S.)

B.ContactthenearestMaritimeRescueCoordinationCenter(MRCC)

C.Determinetheexactlocationandnatureofthedistress

D.Abandonthevesselimmediatelyifindanger

【答案】:C

解析:Thisquestionfocusesonthemaster'sinitialresponsetodistressalerts.AccordingtoSOLASandmaritimeprotocols,thefirststep(C)istogatherinformationaboutthedistresslocationandnaturetodecidetheappropriaterescueaction.Issuingasignal(A)isprematurewithoutlocationconfirmation.ContactingMRCC(B)issubsequenttoassessingthesituation.Abandoningship(D)isalastresort,notthefirstaction.Thus,Ciscorrect.49、AccordingtoSOLASandmaritimeregulations,theMastershallensurethattheship'slogbook______.

A.Iskeptinalanguageunderstoodbyallcrewmembers

B.Recordsallnavigationaleventsaccuratelyandcontinuously

C.Issubmittedtotheportstateauthorityuponarrival

D.MustbewritteninEnglishonlyforinternationalvoyages

【答案】:B

解析:本题考察船长对航海日志的职责。SOLAS公约要求船长确保航海日志准确、连续地记录所有航行事件(如航向、航速、船位、气象、设备操作等)。选项A(船员易懂的语言)无强制要求,通常使用英语或当地官方语言;选项C(到港后提交港口国)为日志的保管要求,非船长“确保”的核心职责;选项D(仅英语)错误,国际航行可使用船旗国语言或英语。因此正确答案为B。50、Whichcommandisusedtoindicatethattheshipshouldturntoportwithmaximumrudder?

A.Hardaport

B.Hardastarboard

C.Portturn

D.Starboardturn

【答案】:A

解析:本题考察船舶操纵指令术语。船舶操纵中,“Hardaport”是标准指令,意为“左满舵”,用于指示船舶以最大左舵角转向,因此A正确。B“Hardastarboard”意为“右满舵”,方向错误;C“Portturn”和D“Starboardturn”表述模糊,非国际通用的操纵指令术语。51、Inthenauticallog,thetimewhentheshiparrivesatacertainpositionshouldberecordedusing:

A.Localtime

B.Ship'stime

C.CoordinatedUniversalTime(UTC)

D.Worldtime

【答案】:C

解析:本题考察航海日志的时间记录规范。选项A'Localtime'因受时区影响,可能导致全球航行中时间不统一;选项B'Ship'stime'仅为船上本地时钟,未考虑国际标准;选项D'Worldtime'非国际通用航海术语。根据《国际海道测量组织》(IHO)规范,航海日志必须使用UTC(协调世界时)记录时间,以确保全球航行中时间的一致性和准确性,因此正确答案为C。52、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。53、AccordingtoSTCWCode,whichofthefollowingisNOTthemaster'sprimaryresponsibilityduringnavigationwatch?

A.Maintainingcontinuousandeffectivelookout

B.Directlyoperatingthesteeringgear

C.EnsuringcompliancewithSOLASregulations

D.Supervisingcrewperformance

【答案】:B

解析:本题考察STCW公约中船长职责。正确答案为B。A、C、D均为船长核心职责:保持瞭望(A)是航行安全基础;监督船员符合SOLAS等法规(C)是船长法定责任;监督船员表现(D)是STCW对船长的明确要求。而B选项“Directlyoperatingthesteeringgear”(直接操作舵机)属于驾驶员的具体操作职责,非船长主要职责。54、AccordingtoCOLREGs,inacrossingsituationbetweentwopower-drivenvessels,whichvesselshalltakeearlyandsubstantialactiontokeepclear?

A.Give-wayvessel

B.Stand-onvessel

C.Power-drivenvessel

D.Anchoredvessel

【答案】:A

解析:本题考察交叉相遇局面的避让责任。正确答案为A,因为在交叉相遇局面中,‘Give-wayvessel’(让路船)需主动采取避让行动以避免碰撞。B选项‘Stand-onvessel’(直航船)仅需保向保速,除非让路船未采取行动;C选项‘Power-drivenvessel’(机动船)为船舶类型,非责任主体;D选项‘Anchoredvessel’(锚泊船)在交叉局面中通常享有优先权,无需主动避让。55、WhichofthefollowingisthemainfunctionofaVHFDSC?

A.Totransmitdistresssignals(Mayday,Pan-Pan)overVHFchannel16

B.Toprovidelong-rangecommunicationviasatellite

C.Tobroadcastnavigationalwarningstoallships

D.Todetectunderwaterobstaclesandmeasuredepth

【答案】:A

解析:本题考察GMDSS设备功能。正确答案为A,VHFDSC(甚高频数字选择性呼叫)主要通过VHF16频道发送遇险信号(Mayday)、紧急信号(Pan-Pan);B选项卫星通讯由Inmarsat设备负责;C选项航行警告由NAVTEX系统播发;D选项测深由回声测深仪(echosounder)完成,均为错误选项。56、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。57、Whichofthefollowingentriesmustberecordedintheship'sofficiallogbook?

A.Namesandpositionsofallpassengersonboard

B.Detailsofengineroommaintenanceprocedures

C.Changesintheship'spositionandheading

D.Weatherforecastforthenext24hours

【答案】:C

解析:本题考察航海日志的记录要求。航海日志需实时记录船舶航行核心参数,包括船位(position)、航向(heading)、航速、气象海况等。选项A(乘客名单)通常记录于其他文档;选项B(机舱维护)属于轮机日志范畴;选项D(天气预报)无需记录于航海日志。正确答案为C。58、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。59、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。60、Whatdoestheabbreviation'SOLAS'standforinmaritimesafety?

A.InternationalConventionfortheSafetyo

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