7 航海技术.docx
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7 航海技术.docx
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7航海技术
7航海技术
7.2锚泊与靠离泊作业
551.Yourvesselhasanchoredinachannelknowntohavestrongtidalcurrents.Tocheckyourpositionyoutakearoundofbearings,oneofwhichisarangeinline.Onehourlaterthebearingonthelightsinrangeopensup.Thisindicatestheshipis______.
A.swingingB.dredgingheranchor
C.takingbearingsofthelightsD.takingdistancesofthelights
KEY:
A
552.Your15-metertugisunderwayandcrossingadeepandnarrowchannel.Alargecontainervesselisoffyourportbowonasteadybearing.WhichstatementisTRUEconcerningthissituation?
______.
A.Youshouldmaintaincourseandspeed.
B.Thecontainervesselisthestand-onasitisthelargervessel.
C.Youarenottoimpedethesafepassageofthecontainervesselinthechannel.
D.Noneoftheabove
KEY:
C
553.ADanforthlightweightanchordoesNOTholdwellinwhichtypeofbottom?
A.MudB.GrassC.SandD.Clay
KEY:
B
554.Amooringlineisdescribedasbeing6x24,1-3/4inchwirerope.Whatdotheabovenumbersreferto?
A.Strands,yarns,circumferenceB.Strands,wires,diameter
C.Wires,yarns,diameterD.Strands,circumference,wires
KEY:
B
555.Amooringsystemthatresultsinaspreadsystemwithoutanchorbuoysiscalleda______.
A.permanentchasingsystemB.wireropemooringsystem
C.shepherd'scrookmooringsystemD.springbuoymooringsystem
KEY:
A
556.Avesselbroughtalongsideshouldbefendedoffthetowingvesselby______.
A.crewmembersusingtheirarmsB.crewmembersusingthestrongmusclesoftheirlegs
C.fendersD.Nofendingisnecessaryduetotheruggedconstructionofmosttowingvessels.
KEY:
C
557.Avesseliswindrodewhenitis______.
A.atanchorandheadingintothewindB.backingintothewind
C.carryingleerudderD.necessarytoapplyaleewaycorrectiontothecourse
KEY:
A
558.Avesselmooredwithtwoanchors,sometimes,atanexposedroadsteadto______.
A.aidturningtheshipB.obtainafinebearing
C.increaseshipswingstowindortideD.lightenthestressofanchorchains
KEY:
D
559.Aftercastingoffmooringsatamooringbuoyincalmweather,youshould______.
A.gofullaheadontheengine(s)
B.backawayafewlengthstoclearthebuoyandthengoaheadontheengines
C.gohalfaheadontheenginesandputtherudderhardright
D.gohalfaheadontheenginesandpassupstreamofthebuoy
KEY:
B
560.Anexampleofananchorwhichhasastockisa______.
A.BruceanchorB.DunnanchorC.HookanchorD.LWTanchor
KEY:
D
561.Anchoringandfishinginthisareaare______.
A.dangerB.dangerousC.dangerouslyD.dangering
KEY:
B
562.Beforelettingtheanchorgo,youshouldcheckthatthe______.
A.chainisclearB.anchorisclearofobstructions
C.wildcatisdisengagedD.Alloftheabove
KEY:
D
563.Bypayingoutmoreanchorcable,you______.
A.decreasetheholdingpowerofyouranchorB.decreasetheswingofyourvesselwhileatanchor
C.increasetheholdingpowerofyouranchorD.increasethepossibilitythatyourvesselwilldraganchor
KEY:
C
564.Chafinggearshouldbeplaced______.
A.atallwearingpointsofmooringlinesB.atthebitterendsofallstandingrigging
C.aroundrunningriggingD.onwireropeonly
KEY:
A
565.Considerationshouldbegiveninplanningforthemooringorientationinanewlocationsothatinadverseweatheracraneisavailabletooff-loadthesupplyvesselonwhatsideoftheunit?
______.
A.WeathersideB.LeewardsideC.UpwindsideD.Crosswindside
KEY:
B
566.Duringastorm,thechanceoffatiguefailureofamooringlinewillincreaseas______.
A.vesselmotionsincreaseB.mooringtensionsdecreaseC.KGincreasesD.KGdecreases
KEY:
A
567.Galvanizingwouldnotbesuitableforprotectingwireropewhichisusedfor______.
A.cargorunnersB.mooringwiresC.shroudsD.stays
KEY:
A
568.Inacombinationchainandwireropemooringsystem,theanchorchainisdeployedattheanchorendofthelineto______.
A.increasefatiguelifeofthesystemB.reducethetimetoretrievetheline
C.increasetheholdingpowerD.reducethecatenary
KEY:
C
569.Inacrossingsituation,avesselfishingmustkeepoutofthewayofavesselwhichis______.
A.undersailB.towingC.restrictedinherabilitytomaneuverD.engagedinpilotageduty
KEY:
C
570.Installingtandemanchorsonthesamemooringlineisreferredtoas______.
A.doublingB.pretensioningC.piggybackingD.paralleling
KEY:
C
571.Itissometimesnecessarytomoorbowandsterntotwomooringbuoysinorderto______.
A.avoidanyswinginarestrictedspaceB.sheltertheshipfromstrongwinds
C.preventfromtouchingwithothervesselsD.makeaconvenienceofcargodischarging
KEY:
A
572.Legpenetrationtodepthswhichrequirepulloutforcesgreaterthanthatwhichcanbesuppliedbythebuoyancyofthehullmayexistin______.
A.softmudB.sandC.siltD.softtofirmclays
KEY:
D
573.Mooringwithtwobowanchorshaswhichmajoradvantageoveranchoringwithonebowanchor?
______.
A.Thevesselwillnotreversedirectioninatidalcurrent.
B.Theradiusofthevessel'sswingwillbeshortened.
C.Amooringapproachmaybemadefromanydirection.
D.Thevesselwillnotswingwithachangeinwind.
KEY:
B
574.Onasingle-screwvessel,whencomingportsidetoapierandbeingsetoffthepier,youshould______.
A.swingwideandapproachthepiersoastolandstarboardsideto
B.approachthepieronaparallelcourseatreducedspeed
C.makeyourapproachatagreateranglethanincalmweather
D.pointthevessel'sheadwellupintotheslipanddecreaseyourspeed
KEY:
C
575.Owingtothebigdraughtoftheship,shehastogoalongsidebythetimeof______.
A.springtideB.floodtideC.ebbtideD.slackwater
KEY:
A
576.Pilotageinthiscountryis{compulsory}.
A.freeofchargeB.importantC.requiredD.unnecessary
KEY:
C
577.TheanchorchainshouldbekeptmoderatelytautduringaMediterraneanmoorto______.
A.facilitatespeedofrecoveryduringtheweighingprocess
B.indicatetheanchor'slocationtopassingormooringships
C.preventdamagetothesternintheeventofaheadwind
D.provideasteadyplatformforthegangwaybetweenthefantailandpier
KEY:
C
578.TheanchorsshouldbedroppedwelloutfromthepierwhileataMediterraneanmoorto______.
A.eliminatenavigationalhazardsbyallowingthechaintoliealongtheharborbottom
B.increasetheanchor'sreliabilitybyprovidingalargecatenaryinthechain
C.permittheshiptomaneuverinthestreamwhileweighinganchors
D.preventdamagetothesterncausedbyswingingagainstthepierintheapproach
KEY:
C
579.Thebestmethodofdeterminingifavesselisdragginganchoristonote______.
A.theamountoflinepaidoutB.howmuchthevesselsheerswhileatanchor
C.anychangeinthetautnessoftheanchorchainD.changesinbearingsoffixedobjectsonshore
KEY:
D
580.TheholdingcapabilitiesofananchoraredeterminedPRIMARILYbythe______.
A.designoftheanchorB.weightoftheanchorC.scopeoftheanchorchainD.sizeofthevessel
KEY:
C
581.Theholdingpowerofananchoratagivenscopeofcableincreaseswhenthe______.
A.amountofchainlyingalongthebottomincreasesB.lengthofthecatenaryisreduced
C.mooringlinetensionisincreasedD.amountofchainlyingalongthebottomdecreases
KEY:
A
582.Thelengthofchainbetweentheanchorandtheendofthependantlineiscalledthe______.
A.pigtailchainB.thrashchainC.crownchainD.wearchain
KEY:
C
583.Thelockmasterhasgivenyoupermissiontotieoffonthelowerguidewalltowaityourturntolockthrough.Whatshouldyoubemostconcernedwith?
A.Adownboundvessel
B.Anupboundvessel
C.Currentreactionwhenthelockchamberisbeingemptied
D.Currentreactionwhenthelockchamberisbeingfilled
KEY:
C
584.Themostdoubtfulandunpredictablefactorinamooringsystemisthe______.
A.abilityoftheanchorstoholdinaseabedB.anchorchaincatenarylength
C.variabilityofthefairleadD.angleoftheflukes
KEY:
A
585.ThePilotage-quarantineanchorage,______betweenDamenDaoandQingshanDao,isdefinedbythelines______thegivenpoints.
A.situated/connectedB.situated/connectingC.situating/connectedD.situating/connecting
KEY:
B
586.Thepurposeofthestrippingbaronananchorwindlassisto______.
A.cleanoffanymudthatmayhaveaccumulatedonthechainB.engageordisengagethewildcat
C.fairleadthechainfromthehawsepipetothewildcatD.preventthechainfromfoulingthewildcat
KEY:
D
587.Thesafestdeviceusedtosecuretheendofthependantwirewhenitisinitiallypassedtotheanchorhandlingvesselisa______.
A.pelicanhookB.hydraulicdeckstopperC.connectinglinkD.shackle
KEY:
B
588.Theship______onalowrockwasbrokenintwobythewaves.
A.thathadbeendrivenB.hadbeendrivenC.havebeendrivenD.whichtohavebeendriven
KEY:
A
589.Theshipismoored______buoys.
A.ofB.onC.alongsideD.to
KEY:
D
590.Therearetwoclassesofvesselswhich,totheextentnecessarytocarryouttheirwork,donothavetocomplywiththeruleregardingtrafficseparationschemes.Oneoftheseisavessel______.
A.engagedinfishinginatrafficlaneB.servicingasubmarinecable
C.towinganotherD.engagedonpilotageduty
KEY:
B
591.ToensurethebestresultsduringtheMediterraneanmoor,thechainsshould______.
A.becrossedaroundthebowB.tendoutatrightanglestothebow
C.tendaft60°fromeachbowD.tendforward30°oneitherbow
KEY:
D
592.Vesselslyingafloatatbuoysformorethan24hoursshoulduseanchorchainfor______andi
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