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1、最新航海英语补充题库第1 页lWhich signal of the follwings is not provided with onboard lifeboat?A.Rocket parachute signalsB.Buoyantsmoke signalsC.Hand flaresignalsD.Self-igniting signals答案：D2According to IMO re g u la tio n s,sh a ll be posed outside lifeboat?A.the retro-reflective tapesB.thereflectivetapesC.the
2、flashing bandsD.theanti-flashing bands答案：A3Which oneof thefollowing is not required on survival crafts?A.Anti-seasicknessmedicineB.Immersion suitsC.axesD.lifebuoys答案：D4Havethesafety beltsfor beenexamined?A.totalenclosed lifeboatsB.totally enclosing lifeboatsC.totally enclosed lifeboatsD.totalenclose
3、ing lifeboats答案：C5The fire-protected l i f e b o a t s a r e f o u n d.A.insatisfactorily conditionB.satisfactorilyC.satisfactoryD.satisfactored答案：C6Wetest the water spray fire protection system of fire-protected lifeboats every 3 months,_theabandon ship drill.A.combiningwithB.combined withCbined to
4、答案：B7Areyour lifeboatsfitted wi t h?中国海员之家网站(http:www.seaman-)搜集整理，四分之船长 中国海员之家网站制作。-页 面 2-中国海员之家网站考试资料系列 最新航海英语补充题库第2 页A.cargowiresB.toppingliftC.guidinglinesD.trippingline答案：D8Paintingon isprohibited becauseitwillweakenitssensibilityA.shipshellB.exterior of winchesC.hydrostatic releaseunitD.hold l
5、adders答案：C9Whereshallthekey toco2 room bekept?A.InmasterscabinB.lnthird officescabinC.lna break-glass-typeenclosure conspicuously located adjacenttotheroomD.lna locked locker conspicuously located adjacent totheroom答案：C10The firemansoutfitconsists of.A.Safetylamp,protective clothing,rigid helmet,bre
6、athingapparatusB.EmergencyescapebreathingdeviceJiredamper,extinguishersC.Firefightingequipment,portableextinguishers,firedampersD.Firehoses,firenozzles,firehydrants,firepumps答案：AllWhich one of thefollowingisincorrectaboutMercator projection?A.ltprojects a sphere ontoa cylinder.B.Because the resultin
7、g distance between latitudes are constantly increasing,it is also calledprogressive projectionC.ltcanalwaysgive truedistancesD.lt advantage is that longitudes and latitudes are at right angles,which makes it easy to read truebearings答案：C12Whydodistances alwayshavetobemeasured from thenearestscaleona
8、 Mercator chart?A.Becauseitisthr most efficientwayB.Because itvariesfor each latitudeC.Because itvarieswith thechange of longitudeD.Becauseitisthemost straightline.答案：B13Whatisshipsheading?ships h e a d in g isth e d ire ctio n.中国海员之家网站(http:www.seaman-)搜集整理，四分之船长 中国海员之家网站制作。-页 面 3-中国海员之家网站考试资料系列 最新
9、航海英语补充题库第3 页A.the vesselispointing.B.thevessel istravelingrelativetolandC.thevessel istravelingrelativetogroundD.thevesselisdrifting答案：A14How longwould 15 minutesof longitude beata latitudeof 60 degrees North?A.30nmB.60nmC.15 nmD.7.5 nm答案：D15Which one of thefollowingsisincorrectaboutmagnetic compass
10、?A.The magentic compassiscompulsoryonmyvesselB.The magentic compassisprone toerrorC.The magentic compassisalwaysplaced inside steelconstructionsD.Themagentic compassneeds tobecalibrated tocompensatefor localmagnetic distortion答案：C16Which one of thefollowingsiscorrectregardingtheuseof gyrocompass?A.G
11、yrocompass doesnot havetobestartedbeforesailing.B.Gyrocompassmust bestopped when vesselalongside a berthC.Gyrocompassneeds tobechecked from time totime0.Gyrocompass isnot influenced bythelatitudeand shipsmotion答案：C17Whatmayaffecttheaccuracyof soundingwith echosounder?A.SeabottomB.Ships speedC.Speed
12、of currentD.Water temperatureand density答案：D18What often happens when using echo-sounder at river estuary where alayer of fresh water liesonthetopof denser saltwater?A.Ascatteringlayer appears.B.Echosounder stops working.C.shallow water appears.D.Nothingabnormal happens.答案：A19Regardingtheuseof GPS,w
13、hich one of thefollowingsisincorrect?中国海员之家网站(http:www.seaman-)搜集整理，四分之船长 中国海员之家网站制作。-页 面 4-中国海员之家网站考试资料系列 最新航海英语补充题库第4 页A.GPSisthemost accurateglobalsystem today.B.ltsuseisstillunder thell.S.Departmentof Defences controlC.DGPSismore accuratethanGPSD.GPScanprovide areal-time position under anycondit
14、ion答案：D20Without doubt the radar is a highly important navigation aid.But duty officer shall awarethat whenusingit.A.ltsrangereadingismoreaccuratethanitsbearingreadingB.AIow-lyingcoastline with along,flatbeach willshow upproperlyontheradarC.Radar isonlyaimed atcollision avoidance.D.Theuseof radar is
15、necessaryonlywhenvisibilityisrestricted.答案：A21Asfor racon,which one isincorrect.inthefollowing?A.Raconisaradar transponder.B.Raconisofteninstalled onmajor way points.C.Whenactivated byaradar signal,theRaconsends itback with anidentifierD.Raconcanbeused totakeplaceof radar答案：D22Whatdoes aRaconhelpwit
16、h?A.MeasuringthedistanceB.MeasuringtherelativespeedC.ldentifingavesselD.ldentifingaseamark答案：D23Whatdoes ECDISstand for?A.EIectricalChartDisplayand Indication SystemB.Electronic ChartDisplayand Information SystemC.EIectric ChartDisplayand InformingSystemD.Electronic ChartDisplayand IndicatingSystem答案：B24The IALA buoyagesystem isdivided in to tw o c a te g o r ie s:.A.The buoy system and thelighthouse systemB.The centralbuoysystem and thesidebuoysystemC.The lateralsystem and thecardinalsystemD.Th
