沿海航海技術

20.1船舶規范

[5151]WhenandwhereyourRegistryCertificate

issued?

A.is

B.are

C.was

D.were

KEY:C

[5152]Thiscertificatewasissued{under}theprovisions.

A.accordingto

B.with

C.for

D.below

KEY:A

[5153]TheTonnageCertificategivestheofaship

whichisclassifiedintogrosstonnageandnettonnage.

A.specifications

B.descriptions

C.dimensions

D.prescriptions

KEY:C

[5154]Thedocumentwhichshowsavessel'snationality,

ownership,andtonnageisthe.

A.ManifestCertificate

B.BillofLadingCertificate

C.CertificateofNationality

D.OfficialLogbook

KEY:C

[5155]Deep-sealinersare

A.ferries

B.passengerliners

C.cruiseships

D.oceangoingvessels

KEY:d

[5156]Merchantvesselscanoperateinthreebasicways,but

isnotoneofthem.

A.liners

B.tramps

C.specializedvessels

D.passengerships

KEY:p

[5157]Shipsaredesignedby

A.shipowners

B.cargoowners

C.navalarchitects

D.shippingagents

KEY:船

[5158]Short-sealinersare

A.tramps

B.coasters

C.OBOship

D.nearoceangoingvessels

KEY:s

[5159]Theo仔icialnumberofadocumentedvesselis.

A.notrequiredtobemarkedanywhereonthevessel

B.requiredtobepermanentlymarkedonthevessel's

structure

C.requiredtobepaintedonthevessel'sstern

D.requiredtobepaintedonthevessel'sbow

KEY:

[5160]TheVessel'scargoholdsareproperlyfittedwith

inwayofhatches.

A.floor-ceiling

B.battens

C.covers

D.hard-woodboards

KEY:f

[5161]ThewholeoftheVesselincludingpassenger

accommodation,ifany,tobeatCharterers'disposal.

A.space

B.reachandburthen

C.deckareaandcargoholds

D.holdsandcabins

KEY:r

[5162]"safespeed"isdefinedasthatspeedwhere.

A.youcanstopwithinyourvisibilityrange

B.youcantakeproperandeffectiveactiontoavoidcollision

C.youaretravelingslowerthansurroundingvessels

D.nowakecomesfromyourvessel

KEY:B

[5163]A"bowline"isusedto.

A.joinlinesofequalsize

B.formatemporaryeye(loop)attheendofaline

C.beastopper

D.keepalinefromfraying

KEY:B

[5164]A"check"lineis.

A.asafetylineattachedtoamanworkingovertheside

B.usedtomeasurewaterdepth

C.usedtoslowtheheadwayofabarge

D.usedtomeasuretheoverheadheightofabridge

KEY:C

[5165]A"fifteen-pound"CO2extinguisherissocalledbecause

A.therearefifteenpoundsofCO2inthecontainer

B.thecontainer,whenfull,weighsfifteenpounds

C.thepressureatthedischargenozzleis15psi

D.theemptycontainerweighsfifteenpounds

KEY:A

[5166]A"figureeight"knotisusedto.

A.beastopper

B.shortenaline

C.joinlinesofequalsize

D.keepalinefrompassingthroughasheave

KEY:D

[5167]A"fullservice"Loran-Creceiverwillprovide.

A.matchingpulseratesofatleast20stations

B.anautomaticon-and-offswitch

C.ahorizontalmatchingofalldelayedhyperbolicsignals

D.automaticsignalacquisitionandcyclematching

KEY:D

[5168]A"liner"inrivetedconstructionofavesselisa(n)

A.smallplatewhichfillstheaperturebetweenriveted

strakesandthevesselframing

B.backingplatewhichisusedtolevelthestrakeswhile

riveting,andthenremoved

C.internalframetowhichthesideshellisriveted

D.seamthatisweldedafterrivetingiscompleted

KEY:A

[5169]A"loose"towmaycauseallofthefollowingEXCEPT

A.lossofmaneuverability

B.linestopart

C.damagetothetowingvesselandtow

D.asavinginthetransittime

KEY:D

[5170]A"Mediterraneanmoor"shouldbeusedwhen.

A.whenanchoringintheMediterranean

B.whendockingsterntoaberth

C.whendockingbowtoaberth

D.whenanchoringinastrongcurrent

KEY:B

[5171]A"reaching"courseisoneinwhichthewind.

A.comesdirectlyoverthebow

B.comesdirectlyoverthestern

C.comesoveranareaextendingfrombroadonthebowto

thequarter

D.hasnoeffectonthevessel

KEY:C

[5172]A"sheepshank"isusedto.

A.keepalinefromfraying

B.joinlinesofunequalsize

C.stopoffaline

D.shortenaline

KEY:D

[5173]A"springline"is.

A.anywireropeusedformooring

B.afire-warp

C.amooringlinerunningdiagonallytothekeel

D.amooringlineperpendiculartothekeel

KEY:C

[5174]Abacklashbelowalockisdefinedasa.

A.currentsettingyourvesselonthewall

B.currentsettingintothelockchamber

C.aneddyworkingalongthelowerguidewall

D.currentsettingcounterclockwise

KEY:C

[5175]Aballastedvesselsinksenroutetoadrydock.Under

thesecircumstances,thevessel'sownercanclaim.

A.actualtotalloss

B.constructivetotalloss

C.generalaverage

D.particularaverage

KEY:A

[5176]Ablockandtackleis"rovetoadvantage".Thismeans

thatthe.

A.blockshavebeenoverhauled

B.haulingpartsoftwotacklesareattached

C.haulingpartleadsthroughthemovableblock

D.haulingpartleadsthroughthestandingblock

KEY:C

[5177]Abuoywithacompositegroup-flashinglightindicates

a(n)---------.

A.bifurcation

B.fishnetarea

C.anchoragearea

D.dredgingarea

KEY:A

[5178]Acasualtyreportofanintentionalgroundingofaship

isrequiredunderwhatcondition?

A.Underanycondition

B.Ifthegroundinglastsover24hours

C.Ifitcreatesahazardtotheenvironment

D.Attheowner'sdiscretion

KEY:C

[5179]Acelestialbodywillcrosstheprimeverticalcirclewhen

thelatitudeisnumerically.

A.greaterthanthedeclinationandbothareofthesame

name

B.lessthanthedeclinationandbothareofthesamename

C.greaterthanthedeclinationandbothareofcontrary

name

D.lessthanthedeclinationandbothareofcontraryname

KEY:A

[5180]Acelestialbody'scompleteorbitaroundanotherbodyis

A.arotation

B.arevolution

C.spacemotion

D.nutation

KEY:B

[5181]Achainbridleispreferabletoawireropetowingbridle

onalongoceantowbecausechain.

A.ismoreflexibleandhastheabilitytoabsorbshock

becauseofitsweight

B.islesssubjecttowearanddamagefromabrasion

C.requireslittlemaintenance

D.Alloftheabove

KEY:D

[5182]Achainbridleisusedwhentowingasternbecauseit

A.iseasytoconnect

B.providesaneffectivecatenaryandabsorbsshockdueto

itsweight

C.makesriggingaswivelunnecessary

D.preventsthetowfromyawingbythedragofthechains

inaseaway

KEY:B

[5183]Achangeofadocumentedvessel'snamecanonlybe

madebythe.

A.AmericanBureauofShipping

B.CommissionerofCustoms

C.TreasuryDepartment

D.CoastGuard

KEY:D

[5184]Achartpositionenclosedbyasquareisa(n).

A.fix

B.estimatedposition

C.deadreckoningposition

D.runningfix

KEY:B

[5185]Achartprojectiondepictingthepolesandasmallarea

oneithersideofaconnectingmeridian,thatissometimes

usedforstarcharts,isthe.

A.azimuthalgnomonicprojection

B.Lambertconformalprojection

C.transverseMercatorprojection

D.polyconicprojection

KEY:C

[5186]Achartwithanaturalscaleof1:160,000isclassifiedasa

A.sailingchart

B.generalchart

C.coastchart

D.harborchart

KEY:B

[5187]Achartwithascaleof1:80,000wouldfallintothe

categoryofa.

A.sailingchart

B.generalchart

C.coastalchart

D.harborchart

KEY:C

[5188]ACO2extinguisheronashipwhichhaslost10%ofits

chargemustbe.

A.usedattheearliestopportunity

B.hydro-tested

C.recharged

D.weighedagaininonemonth

KEY:C

[5189]Acommonclassofwireropeusedformooringisthe

6x19class.Whatdoesthe6represent?

A.Factorofsafety

B.Numberofwiresperstrand

C.Numberofstrandsperwirerope

D.Numberofwiresinthecore

KEY:C

[5190]Aconsciousvictimwhohassufferedablowtothehead

hassymptomsthatindicatethepossibilityofconcussion.If

thepatientfeelsnoindicationofneckorspineinjury,

recommendedtreatmentwouldinclude.

A.turningthevictim'sheadtothesidetokeephisairway

open

B.positioningthevictimsotheheadislowerthanthebody

C.givingthevictimwaterifheisthirsty,butnofood

D.elevatingtheheadandshouldersslightlywithapillow

KEY:D

[5191]Acontinualworseningofthelistortrimofanyfloating

shipindicates.

A.negativeGM

B.progressiveflooding

C.structuralfailure

D.animmediateneedtocounterflood

KEY:B

[5192]Acontinuouswatertightbulkheadonashipisnormally

alsoa(n).

A.structuralbulkhead

B.exteriorbulkhead

C.centerlinebulkhead

D.joinerbulkhead

KEY:A

[5193]AcopyoftheArticlesofAgreement,lessthe

signatures,isrequiredtobeposted.Thisdocumentiscalled

the.

A.fo'c'sleCard

B.ArticlesCopy

C.VoyageAgreement

D.ShippingArticles

KEY:A

[5194]Acrewmemberhassufferedfrostbitetothetoesofthe

rightfoot.WhichisNOTanacceptablefirstaidmeasure?

A.Rubthetoesbriskly.

B.Elevatethefootslightly.

C.Rewarmrapidly.

D.Giveaspirinorothermedicationforpainifnecessary.

KEY:A

[5195]Acrewmemberishavinganepilepticconvulsion.You

should.

A.givethevictimartificialrespiration

B.completelyrestrainthevictim

C.givethevictimone30mgtabletofphenobarbital

D.keepthevictimfrominjuringhimorherself

KEY:D

[5196]Acrewmemberreportsthatthehigh-pressurealarm

lightofalow-pressureCO2fixedfireextinguishingsystemis

illuminated.Themostprobablecauseofthisconditionwould

bethat.

A.anairleakhasdevelopedinthetank

B.thetankcoolingsystemhasmalfunctioned

C.thepilotcylinderdischargevalveisleaking

D.anexcessiveamountofinsulationhasbeeninstalledon

thetankandpiping

KEY:B

[5197]Atonnagetaxisleviedaccordingtothe.

A.deadweightcargotonnageaboard

B.displacementtonnageofvessel

C.grosstonnageofvessel

D.nettonnageofvessel

KEY:D

[5198]Avessel'sholds,underavoyagecharterparty,areclean

andreadytoloadcargo.Thenoticeofreadinesscanbeissued

when.①Thevesselhasbeengrantedfreepratique

andclearedcustoms②Thevesselhasarrivedatthe

designatedberthorport.

A.①only

B.②only

C.Both①and②

D.Neither①nor②

KEY:C

[5199]Avessel'squarteristhatsectionwhichis.

A.abeam

B.deadastern

C.justaftofthebow

D.oneithersideofthestern

KEY:D

[5200]AVLCC(100,000DWT+)witha30,000Shaft

HorsepowerSteamTurbineisslowtorespondtoengine

movementsandhaslessstoppingpowerthannormalships

becauseithasa.

A.biggerpropeller

B.smallerpowertoweightratio

C.smallerpropeller

D.largerpowertoweightratio

KEY:B

20.2船舶艙室名稱

[5201]Thetanktopsarestrengthenedsuitablefor

ofbulkcargo.

A.slingboardunloading

B.grabdischarge

C.elevatordischarge

D.netunloading

KEY:g

[5202]Avesselisdescribedasatwocompartmentvesselwhen

it.

A.hasnomorethantwocompartments

B.hastwocompartmentsinadditiontotheengineroom

C.willsinkifanytwocompartmentsareflooded

D.willfloatifanytwoadjacentcompartmentsareflooded

KEY:D

[5203]AccordingtotheRules,avessel'slengthisher.

A.lengthbetweentheperpendiculars

B.lengthalongthewaterline

C.lengthoverall

D.registeredlength

KEY:C

[5204]Alltheholdsandotherpartsoftheshipinwhichcargo

istobestowedshouldbeforthecarriage.

A.comfortable

B.suitable

C.stable

D.favorable

KEY:B

[5205]AsdefinedintheRules,thetermvesselincludes.

A.seaplanes

B.non-displacementcraft

C.barges

D.Alloftheabove

KEY:D

[5206]Bydefinition,a"spardeck"isthe.

A.lowermostcontinuousdecknotbrokenbywatertight

bulkheads

B.aftermostweatherdeckabovethemainstrengthdeck

C.upperorweatherdeckabovethemainstrengthdeck

D.deckoflightconstructionbelowthemainorstrength

deck

KEY:C

[5207]Bylaw,auserofmarijuanashallbesubjectto.

A.lossofpayduringtheperiodofsuchuse

B.reprimandbytheUSCoastGuard

C.revocationoflicenseorcertificate

D.terminationofemployment

KEY:C

[5208]Byregulation,youMUSTkeeparecordoftheuseof

yourradiotelephoneforaminimumof.

A.sixmonths

B.oneyear

C.twoyears

D.thirtymonths

KEY:C

[5209]Camphoroilisclassifiedasa.

A.GradeAflammableliquid

B.GradeCflammableliquid

C.GradeDcombustibleliquid

D.GradeEcombustibleliquid

KEY:C

[5210]Carbondioxideasafirefightingagenthaswhich

advantageoverotheragents?

A.Itcausesminimaldamage.

B.Itissaferforpersonnel.

C.Itischeaper.

D.Itismosteffectiveonaperunitbasis.

KEY:A

[5211]Changingrescuerswhilecarryingoutartificial

respirationshouldbedone.

A.withoutlosingtherhythmofrespiration

B.onlywiththehelpoftwootherpeople

C.bynotstoppingtherespirationformorethan5minutes

D.attenminuteintervals

KEY:A

[5212]Channel13isprimarilyusedforshiptoship

communication.Channel13isalsoauthorizedfor.

A.coasttoaircraftoperationalcommunications

B.aircrafttoshipoperationalcommunications

C.lock&bridgecommunications

D.aircrafttoshipnavigationalcommunications

KEY:C

[5213]CharlesIsland(LAT41°11.5'N,LONG73°03.4'W)is

A.ahigh,rockypinnaclewithsteepcliffs

B.alow,sandyislandbarrenofallvegetation

C.identifiedbyatallprominentflagpole

D.lowandpartlycoveredbytrees

KEY:D

[5214]Chartlegendsprintedincapitallettersshowthatthe

associatedlandmarkis.

A.inconspicuous

B.conspicuous

C.agovernmentfacilityorstation

D.aradiotransmitter

KEY:B

[5215]Chartlegendswhichindicateaconspicuouslandmark

areprintedin.

A.underlinedletters

B.capitalletters

C.italics

D.boldfaceprint

KEY:B

[5216]ChartsshowingthecoastofMexicoareproducedbythe

UnitedStates.

A.NationalGeospatial-IntelligenceAgency

B.CoastGuard

C.NavalObservatory

D.NationalOceanService

KEY:A

[5217]Chronometererrormaybefoundby.

A.radiotimesignal

B.comparisonwithatimepieceofknownerror

C.applyingtheprevailingchronometerratetoprevious

readings

D.Alloftheabove

KEY:D

[5218]Civiltwilightbeginsat1910zonetimeon20July1981.

YourDRpositionatthattimeisLAT22°16'N,LONG150°

06'W.Whichstatementconcerningtheplanetsavailablefor

eveningsightsisTRUE?

A.Venuswillhaveawesterlymeridianangle.

B.MarswillsetaboutonehouraftertheSunsets.

C.Mars,Venus,Jupiter,andSaturnwillbeabovethe

horizon.

D.SightsofSaturn,Jupiter,andVenuswillyieldagood

three-line-of-positionfix.

KEY:A

[5219]Civiltwilightoccursat0558zonetimeon30December

1981.YourDRpositionatthattimeisLAT15°02N,LONG

46°02'W.Whichstatementconcerningtheplanetsavailable

formorningsightsisTRUE?

A.At0558,Marscanbeusedforanex-meridian

observation.

B.Venus,Jupiter,andMarssightswillyieldagoodthree

linefix.

C.Saturnwillbeneartheprimevertical.

D.Venuswillbevisiblelowinthewesternsky.

KEY:A

[5220]Civiltwilightstartsat1812zonetimeon26August

1981,YourDRpositionatthattimeisLAT21°06'S,LONG

14°56'W.Whichstatementconcerningtheplanetsavailable

foreveningsightsisTRUE?

A.Marswillbeneartheprimeverticalintheeasternsky.

B.VenusmaybeidentifiedfromSaturnandJupiterbecause

itisthebrightest.

C.SightsofVenus,Jupiter,andSaturnwillyieldagood

threelinefix.

D.AsightofeitherJupiter,Saturn,orVenuswillgivea

latitudeline.

KEY:B

[5221]ClassIandIIprivateaidstonavigationinoralong

navigablewatersoftheUnitedStatesarelistedinthe.

A.SailingDirections

B.LightList

C.ListofPrivateAids

D.AidstoNavigationManual

KEY:B

[5222]Cleanairstandardsreferredtoas"GradeD"applyto

compressedairforusein.

A.highpressurefluidaccumulators

B.drivingair-poweredplungerpumps

C.fillingopen-circuitbreathingsystems

D.bladder-typeaccumulators

KEY:C

[5223]Cloudsform.

A.asamassofwarm,humidairrisesintotheatmosphere

andcools,condensingmoistureintosmalldroplets

B.aswindsblowacrossbodiesofwater,thesuncausesthe

moisturetobeabsorbedandmoveupwardformingclouds

C.dryaircompressesmoisturefromtheatmosphereinto

clouds

D.whentherelativehumidityoftheatmosphereislow

KEY:A

[5224]Cloudswiththeprefix"nimbo"intheirname.

A.aresheetorlayerclouds

B.haveundergonegreatverticaldevelopment

C.aremiddleorhighaltitudeclouds

D.arerainclouds

KEY:D

[5225]CoastPilotsandnavigationalchartsarekeptcorrected

andup-to-datebyusingthe.

A.pilotcharts

B.NoticestoMariners

C.TideTables

D.CurrentTables

KEY:B

[5226]Coilingnewropeagainstthelay,bringingthelowerend

upthroughthecenterofthecoil,thencoilingwiththelay,in

ordertoremovethekinks,isknownas.

A.coiling

B.faking

C.flemishing

D.thoroughfooting

KEY:D

[5227]Commercialshipsorotherpersonsoragencies

requiringtheassistanceofCanadianCoastGuardicebreakers

shouldfirstcontact.

A.theCanadianCoastGuard

B.IceSarnia

C.theIceNavigationCenter

D.theicebreakerassignedtothearea

KEY:B

[5228]Comparedtoalowpressuresystem,generallytheairin

ahighis.

A.warmer,lessdense,andlessstable

B.cooLmoredense,anddrier

C.muggyandcloudy

D.extremelymoistwithhighrelativehumidity

KEY:B

[5229]Comparedtointernalstructuralplating,theexterior

hullplatingonashipisusually.

A.stronger

B.thinner

C.morecorrosionresistant

D.alowergradesteel

KEY:A

[5230]Completeinformationonweatherbroadcasts

throughouttheworldiscontainedin.

A.SelectedWorldwideMarineWeatherBroadcasts

B.yourlocalnewspaper

C.theNoticetoMariners

D.thedailyweathermap

KEY:A

[5231]Compliancewiththetermsoftheloadlinecertificateon

ashipistheresponsibilityofthe.

A.BallastControlOperator

B.BargeSupervisor

C.MasterorOffshoreInstallationManager

D.operatorsrepresentative

KEY:C

[5232]Concerningacelestialobservation,theazimuthangleis

measuredfromtheprincipalverticalcircletothe.

A.Greenwichcelestialmeridian

B.hourcircleofthebody

C.localcelestialmeridian

D.verticalcircleofthebody

KEY:D

[5233]Concerningtheidentificationsignalforapilotvessel,in

fog,whichstatementisTRUE?

A.Whenatanchor,thepilotvesselisonlyrequiredtosound

anchorsignals.

B.Theidentificationsignalmustbesoundedanytimethe

pilotvesselisunderway.

C.Thepilotvesselmayonlysoundtheidentitysignalwhen

makingway.

D.Alloftheabove

KEY:A

[5234]Considerationshouldbegiveninplanningforthe

mooringorientationinanewlocationsothatinadverse

weatheracraneisavailabletooff-loadthesupplyvesselon

whatsideoftheunit?

A.Weatherside

B.Leewardside

C.Upwindside

D.Crosswindside

KEY:B

[5235]Consideringthegeneralcirculationoftheatmosphere,

thewindsystembetweenlatitudes300Nand60ONis

commonlycalledthe.

A.prevailingwesterlies

B.horselatitudes

C.tradewinds

D.subpolarlowpressurebelts

KEY:A

[5236]Controloffireshouldbeaddressed.

A.immediatelyafterrestoringvitalservices

B.immediately

C.followingcontrolofflooding

D.followingestablishmentoffireboundaries

KEY:B

[5237]Conventionalanchorsareleastlikelytoholdina

bottomconsistingof.

A.softclay

B.hardmud

C.verysoftmud

D.sand

KEY:C

[5238]Corrosiveliquidsandacidsshouldhavewhichkindof

label?

A.Skullandcrossbones

B.Yellowandwhite

C.Redandwhite

D.Whiteandblack

KEY:D

[5239]Cumulonimbuscloudsareformedby.

A.verticalairmovements

B.heavyrainstorms

C.horizontalairmovements

D.anymovementofmoistair

KEY:A

[5240]Cumuluscloudsthathaveundergonevertical

developmentandhavebecomecumulonimbusinform,

indicate.

A.clearingweather

B.thatawarmfronthaspassed

C.probablethunderstormactivity

D.anapproachinghurricaneortyphoon

KEY:C

[5241]Cyclonesthathavewarmsectorsusuallymove.

A.westerly

B.paralleltotheisobarsinthewarmsector

C.towardthenearesthighpressurearea

D.fasterthantheaccompanyingcoldfront

KEY:B

[5242]Dacronsails,whennotinuse,maybedamagedif

A.leftinthesunlight

B.stowedwet

C.washedwithsoap

D.foldedfrequently

KEY:A

[5243]Daylightsavingstimeisaformofzonetimethatadopts

thetime.

A.onezonetotheeast

B.onezonetothewest

C.twozonestotheeast

D.twozonestothewest

KEY:A

[5244]Day-shapesmustbedisplayed.

A.betweensunsetandsunrise

B.onlybetween8AMand4PM

C.duringdaylighthoursinanyvisibility

D.duringdaylighthoursinunrestrictedvisibilityonly

KEY:C

[5245]Deckbeamsonashiparegenerallyspacedatequal

intervalsandrun.

A.longitudinally

B.vertically

C.transversely

D.intermittently

KEY:C

[5246]Deficientoxygencontentinsideachainlockercanbe

detectedwith.

A.litmuspaper

B.combustiblegasindicator

C.oxygenbreathingapparatus

D.oxygenindicator

KEY:D

[5247]DefinetheacronymMSI.

A.MaritimeSafetyInformation

B.MaritimeShippingIndex

C.MaritimeSatelliteIndicator

D.MarinerSafetyIntelligence

KEY:A

[5248]Denebisfoundinwhatconstellation?

A.Cygnus

B.Pegasus

C.UrsaMajor

D.Andromeda

KEY:A

[5249]Denebolaisfoundinwhatconstellation?

A.Hydrus

B.Leo

C.Centaurus

D.Aquila

KEY:B

[5250]Dieselpoweredindustrialtrucksonashipthatare

providedwithsafeguardstotheexhaust,fuel,andelectrical

systemsaredesignated.

A.DEFE

B.DE

C.DS

D.DES

KEY:C

20.3船舶設備名稱

[5251]TheVesselisfullyfittedwithcargo.

A.beats

B.beasts

C.bacons

D.battens

KEY:c

[5252]TheVesselnottobetoforceice,butto

followice-breakerifrequired.

A.made

B.contained

C.supplied

D.obliged

KEY:譯

[5253]ADECK,SPACE,AREA,ETC,NOTPERMITTEDTO

BEENTEREDFORSAFETYREASONSdefines.

A.Restrictedarea

B.Closedarea

C.Prohibitedplace

D.Forbiddenplace

KEY:A

[5254]Asextanthavinganindexerrorthatisoffthearchasa

A.positivecorrection

B.diperror

C.negativecorrection

D.semidiametererror

KEY:A

[5255]Asheepshankisusedto.

A.keepalinefromfraying

B.joinlinesofunequalsize

C.stopoffaline

D.shortenaline

KEY:D

[5256]Ashipcranewhichhasbeenidleforaperiodofoversix

monthsshallbeinspectedtothesamestandardsasa.

A.yearlyinspection

B.quarterlyinspection

C.monthlyinspection

D.weeklyinspection

KEY:A

[5257]Asinglefittinginstalledinapipelinethateitherblanks

offthepipeorallowsafullflowpassageofaliquidthrough

thepipeisreferredtoasa.

A.blindflange

B.pivotcoupling

C.quick-releasecoupling

D.spectacleflange

KEY:D

[5258]Asparkarrestor.

A.keepssparksfromfallingintoanopentank

B.securescoversonullageopenings

C.preventssparksfromgettingoutofanengine'sexhaust

system

D.groundsstaticelectricity

KEY:C

[5259]Aspreaderbarisusedto.

A.increasetheliftingcapacity

B.increasetheliftingradius

C.protecttheslings

D.protecttheupperpartofaload

KEY:D

[5260]Astrongbackreferstoa.

A.barsecuringacargoport

B.centerlineverticalbulkhead

C.deepbeam

D.spannerstay

KEY:A

[5261]Atermappliedtothebottomshellplatingina

double-bottomshipis.

A.bottomfloor

B.outerbottom

C.shearplating

D.tanktop

KEY:B

[5262]Awoodenfloatplacedbetweenashipandadockto

preventdamagetobothiscalleda.

A.camel

B.dolphin

C.ratguard

D.wedge

KEY:A

[5263]Aboardship,verticalflatplatesrunningtransversely

andconnectingtheverticalkeeltothemarginplatesarecalled

A.floors

B.intercostals

C.girders

D.stringers

KEY:A

[5264]A11echo-sounderscanmeasurethe.

A.actualdepthofwater

B.actualdepthofwaterbelowkeel

C.averagedepthfromwaterlinetohardbottom

D.averagedepthofwatertosoftbottom

KEY:B

[5265]A11electricalappliancesaboardavesselshouldbe

groundedto.

A.preventthemfromfallingwhenthevesselrolls

B.protectpersonnelfromelectricalshock

C.increasetheiroperatinge仔iciency

D.preventunauthorizedpersonnelfromoperatingthem

KEY:B

[5266]Anexampleofamessengerisa.

A.fairlead

B.heavingline

C.stay

D.warp

KEY:B

[5267]Anexampleofamodernanchorwhichhasastockisa(n)

A.articulatedanchor

B.FlipperDeltaanchor

C.Baldtanchor

D.Danforthanchor

KEY:D

[5268]Anintegralpartofablowoutpreventerthatservesas

theclosingelementonanopenhole,andwhoseendsdonot

fitaroundthedrillpipebutsealagainsteachotherandshut

offthespacebelowcompletelyisthe.

A.shearram

B.blindram

C.piperam

D.annularram

KEY:B

[5269]AnLWTanchoroftenhasdifficultytrippingin.

A.sand

B.softsoil

C.stiffclay

D.heterogeneoussoil

KEY:B

[5270]Anchorsarepreventedfromrunningoutwhensecured

bythe.

A.brake

B.devil'sclaw

C.pawls

D.Alloftheabove

KEY:D

[5271]Asoilpipelineconnectionswerebroken,

quantityofoilwascausedtospillontothewharfandintothe

dockwater.

A.anotknowing

B.anunknowing

C.anunknown

D.anotknown

KEY:C

[5272]Asthepropellerturns,voidsareformedonthetrailing

andleadingedgesofthepropellerbladescausingalossof

propulsiveefficiency,pittingoftheblades,andvibration.

Thesevoidsareknownas.

A.advance

B.cavitation

Cedging

D.slip

KEY:B

[5273]Cargopumpreliefvalvesarepipedtothe.

A.cargopumppressuregauges

B.crossoverlinesinterconnectingtwopumps

C.suctionsideofpumps

D.atmospherethroughpumpvents

KEY:C

[5274]Centrifugalpumpshavewhatadvantage(s)over

reciprocatingpumps?.

A.Theyarelessexpensive.

B.Theyaresmallerforequivalentpumpingability.

C.Theypumpmorecargoinlesstime.

D.Alloftheabove

KEY:D

[5275]Eachcylinderinatwostrokecycleengineexperiences

combustion.

A.onceeachcrankshaftrevolution

B.twiceeachcrankshaftrevolution

C.everyothercrankshaftrevolution

D.everyfourthstroke

KEY:A

[5276]Ifagasolineengineturnsoverfreelybutwillnotstart,

thecauseisgenerally.

A.adef