航海英语新题库上海.docx

航海英语新题库上海.docx

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航海英语新题库上海

一、海图及海图作业50题

[251]Toagreewithlargerscalechart，latitudestakenfromthischartshouldbeincreased______about8seconds．

A.withB.inC.byD.to

[252]Onthischartonlytheprinciple______tonavigationareshown．

A.equipment'sB.toolsC.apparatusD.aids

[253]Manyofthesoundingsshownonthechartarederivedfrom_____.Unduerelianceshouldnotbeplaceduponthem．

A.completeandoftenverypoorsurveys

B.correctandoftenverygoodsurveys

C.inadequateandoftenveryoldsurveys

D.adequateandpresentsurveys

[254]Linesonachartwhichconnectpointsofequalmagneticvariationarecalled______.

A.magneticlatitudesB.magneticdeclinations

C.dipD.isogoniclines

[255]Isogoniclinesarelinesonachartindicating___.

A.pointsofequalvariation

B.pointsofzerovariation

C.themagneticlatitudeD.magneticdip

[256]Inwhichsourcecouldyoufindthenumberofachartforacertaingeographicarea?

______.

A.ChartNo.1B.CatalogofCharts

C.IMOPracticalNavigatorD.IMOLightList

[257]Howistheannualrateofchangeformagneticvariationshownonapilotchart?

______.

A.Graylinesontheuppermostinsetchart

B.Redlinesonthemainbodyofthechart

C.Inparenthesisonthelinesofequalmagneticvariation

D.Annualrateofchangeisnotshown.

[258]Charteddepthisthe______.

A.verticaldistancefromthechartsoundingdatumtotheoceanbottom，plustheheightoftide

B.verticaldistancefromthechartsoundingdatumtotheoceanbottom

C.averageheightofwateroveraspecifiedperiodoftime

D.averageheightofalllowwatersataplace

[259]ChartcorrectioninformationisNOTdisseminatedthroughthe______.

A.SummaryofCorrectionsB.LocalNoticetoMariners

C.DailyMemorandumD.ChartCorrectionCard

[260]Allstraightlinesrepresentgreatcircletracksonachartbasedona（n）______.

A.MercatorprojectionB.polyconicprojection

C.orthographicprojectionD.gnomonicprojection

[261]Arevisedprintofachartismade______.

A.aftereverymajorhydrographicsurveyoftheareacoveredbythechart

B.whentherearenumerouscorrectionstobemadeorthecorrectionsareextensive

C.whenalow-stocksituationoccursandminorcorrectionsaremade

D.everytwoyearstoupdatethemagneticvariationinformation

[262]AMercatorchartisa______.

A.cylindricalprojectionB.simpleconicprojection

C.polyconicprojectionD.rectangularprojection

[263]______chart3994，positionsreadfromthischartshouldbeshifted0．03minutesNorthward．

A.ToconsiderB.Tocheck

C.ToexamineD.Toagreewith

[264]Thechangesinthechannel'ssandsandbuoysonthiscoastare______thischartcannotbeconsideredasasafeguideofthechannel．

A.frequentB.sofrequent

C.frequentthatD.sofrequentthat

[265]______isatermdenotingthedeterminationofaship'spositionbyobservationsofCelestialorterrestrialobjects，orbyacombinationofboth．

A.Course-planningB.Position-fixing

C.Radar-plottingD.Stowage-planmaking

[266]Achartpositionenclosedbyasemi-circleisa（n）

A.fixB.estimatedposition

C.deadreckoningpositionD.runningfix

[267]Atruebearingofachartedobject，whenplottedonachart，willestablisha______.

A.fixB.lineofposition

C.relativebearingD.range

[268]AdmiraltyChartsarepublishedin______.

A.U．S．AB.ChinaC.U．KD.Japan

[269]Attentionis______theadviceontheuseofchartsinTheMariner'sHandbookChapter3，Section1．

A.fixedtoB.neededfor

C.pushedtoD.drawnto

[270]DistancealongatracklineismeasuredonaMercatorchartbyusingthe______.

A.latitudescalenearthemiddleofthetrackline

B.longitudescalenearthemiddleofthetrackline

C.latitudescaleatthemidlatitudeofthechart

D.latitudeorlongitudescaleatthemiddleofthescale

[271]Enteringfromsea，adaymarkontheportsideofthechannelwouldbeindicatedonachartbya______.

A.redtrianglewiththeletterR

B.whitetrianglewiththelettersRG

C.greensquarewiththeletterG

D.whitesquarewiththelettersGR

[272]Magneticinformationonachartmaybe______.

A.foundinthecenter（s）ofthecompassrose（s）

B.indicatedbyisogoniclines

C.foundinanoteonthechart

D.Alloftheabove

[273]Mypositionhasbeenobtained______astronomicalobservation．

A.withB.fromC.onD.by

[274]Navigationalchartsare______frequentchanges，theimportantoneofwhicharepromulgatedbyAdmiraltyNoticestoMariners．

A.publishedwithB.combinedwith

C.inconnectionwithD.subjectto

[275]OnthesouthandtheeastcoastsofBlockIslandarecircleswithadotinthecenterandlabeledCUP.Thisisa______.

A.conspicuousobject

B.steepdepressioninthesurroundinghillsthatresemblesacup

C.domedstructureusefulfornavigation

D.calling-up-pointusedfortrafficcontrol

[276]Solidgreenarrowsonthemainbodyofapilotchartindicate______.

A.prevailingwinddirections

B.prevailingoceancurrentdirections

C.probablesurfacecurrentflow

D.shortestgreatcircleroutes

[277]Theagoniclineonanisomagneticchartindicatesthe______.

A.magneticequator

B.magneticlongitudereferenceline

C.pointswherethereisnovariation

D.pointswherethereisnoannualchangeinvariation

[278]Thebuoysymbolprintedonyourchartisleaningtothenortheast.Thisindicates______.

A.youshouldstaytothenorthoreastofthebuoy

B.youshouldstaytothewestorsouthofthebuoy

C.thebuoyisamajorlightedbuoy

D.nothingspecialfornavigationalpurposes

[279]Thechartofabeachareashowsaveryflatslopetotheunderwaterbeachbottom.Whattypeofbreakerscanbeexpectedwhentryingtolandaboatonthisbeach?

A.SurgingB.SpillingC.PlungingD.Converging

[280]Thechartsymbolindicatingthatthebottomiscoralis______.

A.CB.ClC.CoD.c

[281]Thechartssoldareof______.

A.newlyeditionwithuptodatecorrectionandinreasonableprices．

B.thecurrenteditionandincorporatethelastNoticestoMarinerscorrection

C.thecurrenteditionandincorporatethelatestNoticestoMarinerscorrectionatthetimeofsale．

D.brand-newonewithuptodatecorrectionandcleanwriting

[282]Thecompassroseonanauticalchartindicatesbothvariationand______.

A.deviationB.annualrateofvariationchange

C.precessionD.compasserror

[283]ThedescriptionRaconbesideanillustrationonachartwouldmeana______.

A.radarconspicuousbeaconB.circularradiobeacon

C.radartransponderbeaconD.radarcalibrationbeacon

[284]Themaximumdifferencebetweenmeantimeandapparenttimeis______.

A.equaltothelongitudeexpressedintimeunits

B.about16minutes

C.thedifferencebetweentheGHAofmeansunandthefirstpointofAries

D.15°ofarc

[285]Thenumeralinthecenterofawindrosecircleonapilotchartindicatesthe______.

A.totalnumberofobservations

B.averagewindforceontheBeaufortscale

C.averagewindforceinknots

D.percentageofcalms

[286]Theonlycylindricalchartprojectionwidelyusedfornavigationisthe______.

A.LambertconformalB.Mercator

C.azimuthalD.gnomonic

[287]Thepaththatavesselisexpectedtofollow，representedonachartbyalinedrawnfromthepointofdeparturetothepointofarrival，isthe______.

A.DRplotB.tracklineC.headingD.estimatedcourse

[288]Therevisiondateofachartisprintedonwhichareaofthechart?

A.TopcenterB.Lower-leftcorner

C.Partofthecharttitle

D.Anyclearareaaroundtheneatline

[289]Thesoundingsonthechartarebasedonthedepthofwateravailableat______.

A.meanlowwaterB.meanlowerlowwater

C.meanhighwaterD.meanhighwatersprings

[290]Thesurveyinformationuponwhichachartisbasedisfound______.

A.atthetopcenterofthenextline

B.nearthecharttitle

C.atthelowerleftcorner

D.atanyconvenientlocation

[291]ThesymbolwhichappearsbesidealightonachartreadsGpFlR

（2）10sec160ft19M.Whichcharacteristicdescribesthelight?

A.Itisvisible10miles.

B.Itsdistinguishingnumberis19M.

C.Ithasaradarreflector.

D.Noneoftheabove

[292]Whatdefinesagreatcircle?

A.AcurvedlinedrawnonaMercatorChart

B.Acourselinethatinscribesaloxodromiccurve

C.Theshortestdistancebetweenanytwopointsontheearth

D.Thesmallestcirclethatcanbedrawnonthefaceofasphere

[293]Whatinformationisfoundinthecharttitle?

A.Dateofthefirstedition

B.Dateoftheeditionand，ifapplicable，therevision

C.Informationonthesoundingdatum

D.InformationonwhichIALAbuoyagesystemapplies

[294]WhatinformationisNOTfoundinthecharttitle?

A.Surveyinformation

B.Scale

C.Dateoffirstedition

D.Projection

[295]WhatisNOTanadvantageoftherhumblinetrackoveragreatcircletrack?

A.EasilyplottedonaMercatorchart

B.Negligibleincreaseindistanceoneast-westcoursesneartheequator

C.Doesnotrequireconstantcoursechanges

D.PlotsasastraightlineonLambertconformalcharts

[296]Whatisthemajoradvantageofarhumblinetrack?

A.Thevesselcansteamonaconstantheading（disregardingwind，current，etc.）.

B.Therhumblineistheshortestdistancebetweenthearrivalanddeparturepoints.

C.Itiseasilyplottedonagnomonicchartforcomparisonwithagreatcirclecourse.

D.Itapproximatesagreatcircleoneast-westcoursesinhighlatitudes.

[297]Whenabuoyisinpositiononlyduringacertainperiodoftheyear，wheremaythedateswhenthebuoyisinpositionbefound?

A.LightListB.Not