航海英语三副新题库

1、航海英语三副新题库02.3 航海出版物（灯标表、天文历、海员手册、大洋航路等）201The Mariners Handbook _ general information affecting navigation and is complementary to the Sailing Directions A.giving B.give C.gives D.given KEY:C202Information on the operating times and characteristics of foreign radiobeacons can be found in which publi

2、cation? _. A.List of Lights B.Coast Pilot C.Sailing Directions D.List of Radiobeacons KEY:A203A lashing used to secure two barges side by side，lashed in an X fashion，is called a _. A.scissor wire B.towing wire C.breast wire D.cross wire KEY:A204A lashing used to secure two barges side by side，lashed

3、 in an X fashion，is called a _. A.quarter line B.back line C.peg line D.jockey line KEY:D205A latitude line will be obtained by observing a body _. A.on the prime vertical B.on the celestial horizon C.at lower transit D.on the Greenwich meridian KEY:C206A life float on a fishing vessel must be equip

4、ped with _. A.a painter B.red smoke flares C.a jackknife D.a signal mirror KEY:A207A life preserver or buoyant work vest is required to be worn on a ship when a person is _. A.working on the rig floor B.working over water C.working on the pipe racks D.operating line throwing equipment KEY:B208A life

5、line must be connected to the liferaft _. A.at the bow B.at the stern C.in the middle D.all around KEY:D209A liferaft which has inflated bottom-up on the water _. A.should be righted by standing on the carbon dioxide cylinder，holding the righting straps and leaning backwards B.should be righted by s

6、tanding on the life line，holding the righting straps leaning backwards C.will right itself when the canopy tube inflates D.must be cleared of the buoyant equipment before it will right itself KEY:A210A light signal consisting of three flashes means _. A.I am in doubt as to your actions B.My engines

7、are full speed astern C.I desire to overtake you D.I am operating astern propulsion KEY:D211A light used to signal passing intentions must be an _. A.all-round yellow light only B.all-round white light only C.all-round blue light only D.alternating red and yellow light KEY:B212A line of position der

8、ived from a loran reading is a section of a(n) _. A.straight line B.arc C.parabola D.hyperbola KEY:D213A line of position from a celestial observation is a segment of a _. A.circle of equal altitude B.parallel of declination C.parallel of altitude D.vertical circle KEY:A214A list man would expect to

9、 see any of the following light signals EXCEPT _. A.two red lights B.one green light C.one white light D.one amber light KEY:D215A list signal of one white light indicates that the vessel is _. A.on an even keel B.listing about 1 to the side the light is displayed on C.listing over 5With the light d

10、isplayed on the high side D.listing，and the chutes should be directed to the side where the light is displayed KEY:B216A low HDOP (Horizontal Dilution of Precision) number such as 2 indicates a _. A.poor fix B.good fix C.poor signal quality D.good signal quality KEY:B217A low pressure annular preven

11、ter which is used to direct flow of kick fluids away from the rig floor is called a _. A.dump valve B.deflector C.separator D.diverter KEY:D218A major health hazard of the product tert-butylamine is that it _. A.can be absorbed through the skin B.causes irreversible damage to eye tissue C.is a very

12、unstable product D.All of the above KEY:B219A marine chemist issues gas free certificates and is certified by which organization? A.Mine Safety Appliance Association B.American Chemical Society C.Marine Chemists Association D.National Fire Protection Association KEY:D220A mean sun is used as the ref

13、erence for solar time for three reasons. Which reason is NOT a cause for use of a mean sun? A.The motion of the apparent sun is along the ecliptic. B.Measurement of time is along the celestial equator. C.The speed of the Earths revolution is not constant. D.There are variations in the Earths rotatio

14、nal speed. KEY:B221A message by flashing light consists of the call，the identity，the text，and the _. A.destination B.answer C.time D.ending KEY:D222A mobile offshore drilling unit must display obstruction lights when it is on the waters over the Outer Continental Shelf and is _. A.under tow B.fixed

15、to the seabed C.underway D.All of the above KEY:B223A mobile offshore drilling unit under tow is approaching a fog bank. When should fog signals be started? A.When the towing vessel enters the fog B.When the drilling rig enters the fog C.When the towing vessel can no longer be seen from the rig D.Im

16、mediately KEY:D224A mobile offshore drilling unit will show the day-shape in DIAGRAM 10 to indicate that it is _. A.at anchor B.being towed C.aground D.drilling KEY:B225A monkey fist is found on a _. A.heaving line B.lead line C.manrope D.mooring line KEY:A226A mooring line leading 45 to the keel，us

17、ed to check forward or astern movement of a vessel，is called a _. A.spring line B.warp line C.bow line D.breast line KEY:A227A mooring line leading at nearly right angles to the keel is a _. A.spring line B.bow line C.stern line D.breast line KEY:D228A natural fiber rope can be ruined by dampness be

18、cause it may _. A.rot B.shrink C.stretch D.unlay KEY:A229A navigator fixing a vessels position by radar _. A.can use radar information from one object to fix the position B.should never use radar bearings C.should only use radar bearings when the range exceeds the distance to the horizon D.must use

19、information from targets forward of the beam KEY:A230A negative metacentric height _. A.should always be immediately corrected B.will always cause a vessel to capsize C.always results from off-center weights D.All of the above are correct KEY:A231A petroleum liquid has a flash point of 85F. This is

20、a grade _. A.B flammable liquid B.C flammable liquid C.D combustible liquid D.E combustible liquid KEY:C232A pilot chart does NOT contain information about _. A.average wind conditions B.tidal currents C.magnetic variation D.average limits of field ice KEY:B233A pilot vessel may continue to sound an

21、 identity signal if she is _. A.aground B.at anchor C.not under command D.being towed KEY:B234A pilot vessel on pilotage duty at night will show sidelights and a stern light _. A.when at anchor B.only when making way C.at any time when underway D.only when the identifying lights are not being shown

22、KEY:C235A polyconic projection is based on a _. A.plane tangent at one point B.cylinder tangent at one parallel C.cone tangent at one parallel D.series of cones tangent at selected parallels KEY:D236A position obtained by applying ONLY your vessels course and speed to a known position is a _. A.fix

23、B.dead-reckoning position C.running fix D.probable position KEY:B237A position obtained by crossing lines of position taken at different times and advanced to a common time is a(n) _. A.dead-reckoning position B.running fix C.estimated position D.fix KEY:B238A position that is obtained by applying e

24、stimated current and wind to your vessels course and speed is a(n) _. A.estimated position B.dead reckoning position C.fix D.None of the above KEY:A239A position that is obtained by using two or more intersecting lines of position taken at nearly the same time，is a(n) _. A.fix B.running fix C.estima

25、ted position D.dead-reckoning position KEY:A240A precaution you should take before bunkering is to _ A.plug the vents B.plug the sounding pipes C.plug the scuppers D.close the lids on the vents KEY:C241A predictable result of a vessel nearing a bank or edge of a channel is that the _. A.stern is dra

26、wn to the bank as the bow sheers off B.bow sheers toward the bank C.vessel continues in a straight line，but with greatly reduced maneuverability D.vessel will be drawn bodily into the bank unless the engines are stopped KEY:A242A psychrometer has two thermometers that provide dry bulb and wet bulb t

27、emperatures. By comparing these two temperature readings with a set of tables you can determine the _. A.atmospheric pressure B.wind speed C.relative humidity and dew point D.wind chill factor KEY:C243A pumproom is suspected of accumulating gases after a ventilation machinery breakdown. Where should

28、 the combustible gas indicator case be placed when testing the pumproom atmosphere for combustible gases? A.In the lower level of the pumproom B.In the middle level of the pumproom C.In the upper level of the pumproom D.On the deck outside the pumproom KEY:D244A quick and rapid motion of a ship in a

29、 seaway is an indication of a(n) _. A.large GM B.high center of gravity C.excessive free surface D.small GZ KEY:A245A radar range to a small，charted object such as a light will provide a line of position in which form? A.Straight line B.Arc C.Parabola D.Hyperbola KEY:B246A rapid rise or fall of the

30、barometer indicates _. A.heavy rain within six hours B.a decrease in wind velocity C.a change in the present weather conditions D.that fog will soon set in KEY:C247A red triangular daymark marks _. A.the centerline of a navigable channel B.the starboard side of a channel C.a prominent object of navi

31、gational interest that has no lateral significance D.an area of a channel where passing another vessel is permitted KEY:B248A report of casualty to a mobile offshore drilling unit must be made in writing to which office? A.Commandant of the Coast Guard B.Owner of the unit C.Nearest Coast Guard Marin

32、e Safety Office D.Captain of the nearest port KEY:C249A report of casualty to a mobile offshore drilling unit must include _. A.the estimated cost of damage to the unit B.an evaluation of who was at fault C.the amount of ballast on board D.the name of the owner or agent of the unit KEY:D250A rigid r

33、eplica of the International Code flag A may be shown by a vessel _. A.pulling a submarine cable B.engaged in diving operations C.engaged in underway replenishment D.transferring explosives KEY:B02.4 海图及海图作业251To agree with larger scale chart，latitudes taken from this chart should be increased _ abou

34、t 8 seconds A.with B.in C.by D.to KEY:C252On this chart only the principle _ to navigation are shown A.equipments B.tools C.apparatus D.aids KEY:D253Many of the soundings shown on the chart are derived from _.Undue reliance should not be placed upon them A.complete and often very poor surveys B.corr

35、ect and often very good surveys C.inadequate and often very old surveys D.adequate and present surveys KEY:C254Lines on a chart which connect points of equal magnetic variation are called _. A.magnetic latitudes B.magnetic declinations C.dip D.isogonic lines KEY:D255Isogonic lines are lines on a cha

36、rt indicating _. A.points of equal variation B.points of zero variation C.the magnetic latitude D.magnetic dip KEY:A256In which source could you find the number of a chart for a certain geographic area? _. A.Chart No. 1 B.Catalog of Charts C.IMO Practical Navigator D.IMO Light List KEY:B257How is th

37、e annual rate of change for magnetic variation shown on a pilot chart? _. A.Gray lines on the uppermost inset chart B.Red lines on the main body of the chart C.In parenthesis on the lines of equal magnetic variation D.Annual rate of change is not shown. KEY:A258Charted depth is the _. A.vertical dis

38、tance from the chart sounding datum to the ocean bottom，plus the height of tide B.vertical distance from the chart sounding datum to the ocean bottom C.average height of water over a specified period of time D.average height of all low waters at a place KEY:B259Chart correction information is NOT di

39、sseminated through the _. A.Summary of Corrections B.Local Notice to Mariners C.Daily Memorandum D.Chart Correction Card KEY:D260All straight lines represent great circle tracks on a chart based on a(n) _. A.Mercator projection B.polyconic projection C.orthographic projection D.gnomonic projection K

40、EY:D261A revised print of a chart is made _. A.after every major hydrographic survey of the area covered by the chart B.when there are numerous corrections to be made or the corrections are extensive C.when a low-stock situation occurs and minor corrections are made D.every two years to update the m

41、agnetic variation information KEY:C262A Mercator chart is a _. A.cylindrical projection B.simple conic projection C.polyconic projection D.rectangular projection KEY:A263_ chart 3994，positions read from this chart should be shifted 003 minutes Northward A.To consider B.To check C.To examine D.To agr

42、ee with KEY:D264The changes in the channels sands and buoys on this coast are _ this chart can not be considered as a safe guide of the channel A.frequent B.so frequent C.frequent that D.so frequent that KEY:D265_ is a term denoting the determination of a ships position by observations of Celestial

43、or terrestrial objects，or by a combination of both A.Course-planning B.Position-fixing C.Radar-plotting D.Stowage-plan making KEY:B266A chart position enclosed by a semi-circle is a(n) _. A.fix B.estimated position C.dead reckoning position D.running fix KEY:C267A true bearing of a charted object，wh

44、en plotted on a chart，will establish a _. A.fix B.line of position C.relative bearing D.range KEY:B268Admiralty Charts are published in _. A.USA B.China C.UK D.Japan KEY:C269Attention is _ the advice on the use of charts in The Mariners Handbook Chapter 3，Section 1 A.fixed to B.needed for C.pushed t

45、o D.drawn to KEY:D270Distance along a track line is measured on a Mercator chart by using the _. A.latitude scale near the middle of the track line B.longitude scale near the middle of the track line C.latitude scale at the midlatitude of the chart D.latitude or longitude scale at the middle of the

46、scale KEY:A271Entering from sea，a daymark on the port side of the channel would be indicated on a chart by a _. A.red triangle with the letter R B.white triangle with the letters RG C.green square with the letter G D.white square with the letters GR KEY:C272Magnetic information on a chart may be _.

47、A.found in the center(s) of the compass rose(s) B.indicated by isogonic lines C.found in a note on the chart D.All of the above KEY:D273My position has been obtained _ astronomical observation A.with B.from C.on D.by KEY:D274Navigational charts are _ frequent changes，the important one of which are p

48、romulgated by Admiralty Notices to Mariners A.published with B.combined with C.in connection with D.subject to KEY:D275On the south and the east coasts of Block Island are circles with a dot in the center and labeled CUP. This is a _. A.conspicuous object B.steep depression in the surrounding hills

49、that resembles a cup C.domed structure useful for navigation D.calling-up-point used for traffic control KEY:C276Solid green arrows on the main body of a pilot chart indicate _. A.prevailing wind directions B.prevailing ocean current directions C.probable surface current flow D.shortest great circle

50、 routes KEY:B277The agonic line on an isomagnetic chart indicates the _. A.magnetic equator B.magnetic longitude reference line C.points where there is no variation D.points where there is no annual change in variation KEY:C278The buoy symbol printed on your chart is leaning to the northeast. This i

51、ndicates _. A.you should stay to the north or east of the buoy B.you should stay to the west or south of the buoy C.the buoy is a major lighted buoy D.nothing special for navigational purposes KEY:D279The chart of a beach area shows a very flat slope to the underwater beach bottom. What type of brea

52、kers can be expected when trying to land a boat on this beach? A.Surging B.Spilling C.Plunging D.Converging KEY:B280The chart symbol indicating that the bottom is coral is _. A.C B.Cl C.Co D.c KEY:C281The charts sold are of _. A.newly edition with up to date correction and in reasonable prices B.the

53、 current edition and incorporate the last Notices to Mariners correction C.the current edition and incorporate the latest Notices to Mariners correction at the time of sale D.brand-new one with up to date correction and clean writing KEY:C282The compass rose on a nautical chart indicates both variation and _. A.deviation B.annual rate of variation change C.precession D.compass error KEY:B283The description Racon beside an illustra