三副航海英语习题讲解7.docx

三副航海英语习题讲解7.docx

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三副航海英语习题讲解7

三副航海英语习题讲解7

2017航海英语复习七

Keyword26：

Shipmaneuvrability（27）

B812.Yourshipisdeadinthewaterwiththerudderamidships.Astheright-handedscrewstartstoturnahead，thebowwilltendtogo________.

A.tostarboardB.toportC.straightaheadD.asinfluencedbythetideandsea

【知识点】螺旋桨的致偏效应

【解析】右旋单车船，静止中进车，正舵，则船首向右偏。

船速低，伴流、排出流、上升斜流等影响较小，主要服从于沉深横向力。

相关题目

C822.Asingle-screwvesselgoingaheadtendstoturnmorerapidlytoportbecauseofpropeller__

A.dischargecurrentB.suctioncurrent

C.sidewiseforceD.Thrust

A807.Yourvesselisasingle-screwshipwitharight-handpropeller.Thereisnocurrent.Theeasiestwaytomakealandingis.

A.portsideto

B.starboardsideto

C.droppinganchorandswingingtheshipintothe

A.fullaheadB.fullasternC.halfaheadD.slowastern

【知识点】螺旋桨的致偏效应

【解析】横向力最大是在倒车时。

相关题目

A1070.Generally,youcanbestkeepavesselundersteeringcontrol,whenthevesselhas___

A.HeadwayB.Sternway

C.Nowayon,withenginesstoppedD.Nowayon,withenginesfullahead

A1119.Yourvesselisportsidetoapierwithaspringlineledaftfromthebow.Incalmweather,puttingtheenginesaheadwiththerudderhardleftshouldbring______.

A.thebowinandthesternoutB.boththebowandsternin

C.ThebowoutandthesterninD.boththebowandsternout

【知识点】车、舵、缆的综合作用

【解析】左舷靠在码头上，系一条首倒缆，无风流天气下，进车、左满舵，将使船头向里船尾向外偏转。

相关题目

D802.Atwin-screwvesselcancleartheinboardpropellerandmaneuveroffapierbestbyholdinga（n）.

A.forwardspringlineandgoingslowaheadontheinboardengine

B.afterspringlineandgoingslowasternontheoutboardengine

C.forwardspringlineandgoingslowaheadonbothengines

D.forwardspringlineandgoingslowaheadontheoutboardengine

【知识点】车、舵、缆的综合作用

【解析】双车船，让开内侧螺旋桨并操纵离码头的最佳方式是拉住首倒缆，外螺旋桨慢速前进。

B799.Atwin-screwshipgoingaheadonthestarboardscrewonlytendstomove______.

A.inastraightlineB.toportC.fromsidetosideD.tostarboard

【知识点】双车船

【解析】船车船，只有右螺旋桨前进，则船左转。

相关题目

D800.Yourvesselisbackingonthestarboardscrew，andgoingaheadontheportscrew.Thebowwill____.

A.backonastraightlineB.moveaheadonastraightlineC.swingtoportD.swingtostarboard

A801.Yourtwin-screwvesselismovingASTERNwithruddersamidships.Thestarboardscrewsuddenlystopsturning.Yourvessel'sheadwill________.

A.gotoportB.gotostarboardC.remainstationaryD.suddenlydropdown

C808.YoumayBESTturnatwin-screwvesselabout，totheright，inanarrowchannelbyusing_.

A.bothenginesaheadandhelmB.oneengineonly

C.portengineaheadandthestarboardengineasternD.bothenginesasternandusehelm

D846.Avesselisequippedwithtwinpropellers，bothturningoutboardwiththeengineshalfahead.Ifthereisnowindorcurrentandtheruddersareamidships，whatwillhappen?

A.Thebowwillswingtostarboard.B.Thebowwillswingtoport.

C.Thevesselwillsteerazigzagcourse.D.Thevesselwillsteerafairlystraightcourse.

C967.Atwinscrewvessel,makingheadwaywithbothenginesturningahead,willturnmorereadilytostarboardifyou______.

A.reverseportengine,applyrightrudderB.reverseportengine,rudderamidships

C.reversestarboardengine,applyrightrudderD.reversestarboardengine,rudderamidships

A1069.Onatwin-screw,twin–ruddervessel,themosteffectivewaytoturninyourownwater,withnowayon,istoput___________

A.oneengineaheadandoneengineastern,withfullrudder

B.oneengineaheadandoneengineastern,withruddersamidships

C.bothenginesahead,withfullrudderD.bothenginesastern,withfullrudder

C813.Atwin-screwvesselwithasinglerudderismakingheadway.Theenginesarefullspeedahead.Thereisnowindorcurrent.Whichstatementisfalse?

A.Ifonescrewisstopped,theshipwillturntowardthesideofthestoppedscrew

B.Theprincipalforcewhichturnstheshipissetupbythewakeagainsttheforwardsideoftherudder

C.Turningresponsebyuseoftherudderonlyisgreaterthanonasingle-screwvessel

D.Withtherudderamidships,theshipwillsteerafairlysteadycourse

【知识点】双车船的特性

【解析】双车单桨船全速前进中，无风流影响，则错误的是：

只用舵改向的回应要比单车船的好。

相关题目

C803.Atwin-screwvesseliseasiertomaneuverthanasinglescrewvessel,becausethetwin-screwvessel.

A.permitstheruddertomovefasterB.generatesmorepower

C.canturnwithoutusingherrudderD.cansuckthewaterawayfromtherudder

A810.Avesselfittedwithtwinscrewsiseasierin______thanavesselwithsinglescrew．

A.turningmaneuverB.coursesettingC.positionfixingD.regulatingspeed

B805.Intwin-screwengineinstallationswhilegoingahead,Maneuveringqualitiesaremosteffectivewhenthetopsofthepropellerbladesbothturn.

A.tostarboardB.outboardfromthecenterC.toportD.inboardtowardthecenter

【知识点】双桨船的特性

【解析】双桨船前进时，外旋式桨的操纵性更好。

内旋（尾向首看，桨上部向内）的效率高一点，但操纵性差一点。

外旋（尾向首看，桨上部向外）的效率差一点，但操纵性好一点

B860、Thedistancethatavesseltravelsfromthetimethattheordertoputenginesfullasternuntilthevesselisdeadinthewaterisknownas____

A.advanceB.headreachC.surgeD.transfer

【知识点】冲程

【解析】从下令全速倒车开始到船对水静止，船所前进的距离称为冲程。

相关题目

C862Instoppingdistancesofvessels,headreachcanbestbedescribedasthe___

A.differencebetweenthevesselsspeedthroughthewateratanyinstanceandthenewspeedorderedonthetelegraph

B.distancethevesselhasactuallyrunthroughthewatersinceachangeofspeedwasordered

C.distancethevesselwillrunbetweentakingactiontostopherandbeingstationaryinthewater

D.speedatwhichavesselshouldproceedtoensurethatshewillrunapredetermineddistance,onceherengineshavebeenstopped

A1012.Theturningcircleofavesselisthepathfollowedbythe______.

A.centerofgravityB.outermostpartoftheshipwhilemakingthecircle

C.bowD.tippingcenter

【知识点】旋回性

【解析】旋回圈是船舶重心的运动轨迹。

相关题目

B1120.Thedistancetravelledbythecentreofgravityinadirectionparalleltotheoriginalcourseaftertheinstanttherudderisputoveris______.

A.TransferB.AdvanceC.KickD.Tacticaldiameter（旋回初径）

【解析】操舵后，重心在与初始航行平行的方向上前进的距离称为进距。

B1071.Inrelationtotheturningcircleofaship,theterm“advance”meansthedistance______.

A.gainedatrightanglestotheoriginalcourse

B.gainedinthedirectionoftheoriginalcourse

C.movedsidewisefromtheoriginalcoursewhentherudderisfirstputover

D.aroundthecircumferenceoftheturningcircle

A1121.Thedistancetravelledbythecentreofgravityperpendiculartotheoriginalcourseis______.

A.TransferB.AdvanceC.KickD.Tacticaldiameter

【解析】重心在与初始航行相垂直的方向上的距离称为横距。

A883.Whenbackingdownwithsternway,thepivotpointofavesselis__.

A.aboutonequarterofthevessel’slengthfromthesternB.atthebow

C.aboutonethirdofthevessel’slengthfromthebowD.aftofthepropellers

【解析】转心：

前进中，约在首柱后1/3-1/5船长处。

后退时，在船尾附近。

Keyword27：

Wheelordersandtelegraphorders（17）

A804.“Easetherudder”meansto______.

A.decreasetherudderangle

B.movetherudderslowlyinthedirectionofthemostrecentruddercommand

C.bringtherudderamidships

D.steerthecoursewhichisyourpresentheading

【知识点】舵令

【解析】回舵

相关题目

D962.Midshipsreferstoruddertobeheld____.

A.inpositiontostarboardB.inpositiontoport

C.inpositiontoanywhereD.inpositionforeandaft

C986.WhenahelmsmanreceivesthecommandPORT15DEGREESrudder,thehelmsman’s

immediatereplyshouldbe______.

A.RUDDERISPORT15DEGREESB.AYEAYESIR

C.PORT15DEGREESD.Noreplyisnecessary,justcarryouttheorder.

C1003.ThewheelorderSTEADYmeans______.

A.thesteeringgearisverystableB.therudderistobeheldintheforeandaftposition

C.reducingswingasrapidlyaspossibleD.reducingamountofrudderangletocertaindegrees

A1010.HARDRIGHTRUDDERmeans______.

A.puttherudderovertotherightallthewayB.jamtherudderagainstthestops

C.meetaswingtotheright,thenreturntoamidships

D.puttherudderoverquicklyto15°rightrudder

D1037.WhatisaCORRECTreplytoapilot’srequest,“How’syourheading”?

A.SteadyB.Easedto10rudderC.CheckedD.Passing50

B861.Yourshipissteamingatnightwiththegyropilotengaged.Younoticethatthevessel'scourseisslowlychangingtotheright.WhichactionshouldyoutakeFIRST?

A.Notifytheengineroomofthesteeringmalfunction.

B.Changetohandsteering.

C.CalltheMaster.

D.SendtheQuartermastertotheemergencysteeringstation.

【知识点】操舵模式转换

【解析】使用自动舵航行时，当注意到船舶航向慢慢向右偏转，应首先更换至手动操舵模式。

相关题目

B1381.Whenyoumeetacrossingvessel,youshouldchangethegyropilotto____atearliertime.

A.auto-steeringB.hand-steeringC.remote-steeringD.hydraulicsteering

A996.Themanual-pilotingshallbetestedatleastatintervalof____whenusingtheauto-piloting.

A.onceeveryshiftB.twiceeveryshiftC.onceeveryhourD.twiceeveryhour

【知识点】操舵模式转换

【解析】使用自动舵航行时，每班至少进行一次手动操舵实验。

相关题目

C2399.Whensteeringbyautopilot,howoftenshouldmanualsteeringbechecked?

A.EverydayB.Whentimeallows

C.AtleastonceawatchD.Nocheckingisnecessary

C2291.Whichofthefollowingstatementisnotcorrectastotheuseofautopiloting?

A、Theauto-pilotingshallbecheckedbythedutyofficereveryhour

B、Themanual-pilotingshallbetestedatleastonceeverywatch

C、Theuseofauto-pilotingisatthediscretion（随…的意见）ofdutyofficersinsteadofthehelmsman

D、Thetransferringofmanual-pilotingandautopilotingshallbeundertakenbythedutyofficer

D863、Whenthegyropilotisusedforsteering,whatcontrolisadjustedtocompensateforvaryingseaconditions？

A.RuddercontrolB.SeacontrolC.Lostmotionadjus