大副航海英语考试题(1)
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For the purpose of training and drills，if reasonable and practicable，rescue boats on board must be launched with their assigned crew ______.
- A.once a week
- B.once a month
- C.once a year
- D.twice a year
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The height of tide is the ().
- A.Depth of water at a specific time due to tidal effect
- B.Difference between the depth of the water and the area's tidal datum
- C.Difference between the depth of the water and the high water tidal level
- D.Difference between the depth of the water at high tide and the depth of the water at low tide
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The horizontal fore-and-aft movement of a vessel is called ().
- A.yaw
- B.sway
- C.heave
- D.surge
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Index error of a sextant is primarily caused by ().
- A.Improperly correcting the other errors in a sextant
- B.The horizon glass not being parallel to the horizon mirror
- C.The horizon glass not being parallel to the index mirror
- D.Human error in taking a celestial observation
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Which of the following statements regarding low expansion foam and its application is INCORRECT ().
- A.Foam should not be used on electrical fires
- B.One kilo of low expansion foam solution produces much more foam
- C.Foam is only efficient when it covers the top of burning combustibles
- D.A stream of foam should be deflected off the deck in order to best agitate the fire
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You can expect frontal activity when two air masses collide and ().
- A.their barometric pressures and temperatures are the same
- B.there are differences in how they track along the jet stream
- C.there are no significant differences between their temperatures and moisture content
- D.there are significant differences between the temperature of each air mass
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The pilot motor launches are ______ blue，with the PILOT in whit
- A.furnished
- B.painted
- C.prepared
- D.provided
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Timber can be stowed ().
- A.Only on deck
- B.Only in holds
- C.In forecastle，bridge and poop
- D.Both on deck and in holds
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Vertical partitions providing strength and compartmentation on a ship are called ().
- A.decks
- B.bulkheads
- C.joiner work
- D.walls
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Which devices may be used as part of an internal communication system on a towing vessel ().
- A.Sound-powered telephones
- B.Portable radios
- C.Either fixed or portable equipment
- D.All of the above
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A vessel is considered to be restricted in her ability to maneuver under the Rules if she is ().
- A.at anchor
- B.mine-clearing
- C.engaged in fishing
- D.engaged in towing
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There is a drifting mine ()in position 21 degrees 31 minutes North 124 degrees 20 minutes East.
- A.Report
- B.Reports
- C.Reported
- D.Reporting
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By definition，a“spar deck”s the ().
- A.lower most continuous deck not broken by water tight bulkheads
- B.after most weather deck above the main strength deck
- C.upper or weather deck above the main strength deck
- D.deck of light construction below the main or strength deck
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In accordance with Maritime Health Declaration，______ is not an infectious diseas
- A.cholera
- B.typhus fever
- C.yellow fever
- D.venereal disease
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You are on anchor watch.As an aid to preventing thievery on the vessel you should ().
- A.Show running lights，anchor lights and deck lights
- B.Only show the required anchor lights and keep the rest of the vessel darkened
- C.Maintain water on deck with fire hoses led out and all-purpose nozzles attached
- D.Show anchor lights，deck lights and cargo lights hung over the vessel's side
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An occluded front is caused by a(n)().
- A.low pressure area
- B.high pressure area
- C.area of calm air
- D.cold front overtaking a warm front
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You are underway in reduced visibility.You hear the fog signal of another vessel about 20° on your starboard bow.Risk of collision may exist.You should ().
- A.alter course to starboard to pass around the other vessel
- B.reduce your speed to bare steerageway
- C.slow your engines and let the other vessel pass ahead of you
- D.alter course to port to pass the other vessel on its portside
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Your vessel has taken a slight list from off-center loading of material on deck.The ().
- A.List should be easily removed
- B.Mean draft is affected
- C.Vessel may flop
- D.Vessel is trimmed
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The arc of an hour circle between the celestial equator and a point on the celestial sphere，measured northward or southward through 90°，is the ().
- A.altitude
- B.declination
- C.latitude
- D.azimuth angle
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The navigable semicircle of a tropical storm in the South Indian Ocean is located on which side of the storm's track ().
- A.Rear
- B.Front
- C.Left
- D.Right
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A 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
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Navigate with ().Small fishing boats are within 0.8 mile of me.
- A.Careful
- B.Skill
- C.Concern
- D.Caution
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The term PROLONGED BLAST refers to ().
- A.a blast of from five to seven seconds' duration
- B.a blast of from five to six seconds' duration
- C.a blast of from four to six seconds' duration
- D.a blast of from six to seven seconds' duration
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Severe airway burns can cause ().
- A.nausea
- B.reddening of cheeks
- C.complete obstruction of respiratory passages
- D.nosebleed
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The interval of the average elapsed time from the meridian transit of the moon until the next high tide is called the ().
- A.harmonic constant
- B.establishment of the port
- C.half-tide level
- D.tide cycle
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Bulkheads forming part of the tanks on a ship are stiffened to withstand ().
- A.Deck loads from above
- B.Dynamic forces while afloat
- C.Hydrostatic pressure
- D.Overpressurization
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Freeboard is measured from the upper edge of the ().
- A.bulwark
- B.deck line
- C.gunwale bar
- D.sheer strake
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The stability of a semisubmersible ship would be seriously reduced if flooding occurred in the ().
- A.Submerged hulls
- B.Column void spaces
- C.Dry mud tanks
- D.Ballast tanks
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A lateral system buoy displaying a quick light ().
- A.should be passed close aboard on either side
- B.indicates that special caution is required
- C.is used at a channel bifurcation or junction
- D.is painted with red and white vertical stripes
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The database information that should be shown when a chart is first displayed on ECDIS is the ().
- A.Display base information
- B.Standard display information
- C.System electronic nautical chart
- D.Chart display information
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If ()is shut down for an extended time optimum position fixing will take up to 2 hours after power is reapplied.
- A.Radar
- B.DF
- C.Satellite Navigator
- D.Automatic Omega Navigator
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A light used to signal passing intentions must be an ().
- A.alternating red and yellow light
- B.alternating white and yellow light
- C.all-round white or yellow light
- D.all-round white light only
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The signal from a ramark will show on the PPI as a ().
- A.Coded signal on the same bearing and at a greater range then the transponder
- B.Circle surrounding the transponder
- C.Radial line from the transponder to the center of the PPI
- D.Dashed circle at the same range as the transponder信号从一个ramark
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You are on a vessel that cannot comply with the spacing requirement for masthead lights.What is required in this situation ().
- A.The vessel must carry only the lights that comply with the rules; the others may be omitted
- B.The vessel's lights must comply as closely as possible，as determined by her government
- C.The vessel must be altered to permit full compliance with the rules
- D.An all-round light should be substituted for the after masthead light and the stern light
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In ship construction，a large number of watertight bulkheads results in ()
- A.increased capacity to set flooding boundaries
- B.decreased capacity to set flooding boundaries
- C.reduced compartmentation
- D.greater deck load capacity
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The major components which determine the length of catenary in a deployed anchor cable are water depth，cable tension，and ().
- A.Environmental forces
- B.Bottom conditions
- C.Cable weight
- D.Water density
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The transmission time duration of a single pulse of radio-frequency energy is a function of the ().
- A.persistence
- B.pulse repetition rate
- C.pulse length
- D.resolution
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The inner bottom is the ().
- A.tank top
- B.compartment between the tank top and shell of the vessel
- C.inner side of the vessel's shell
- D.space between two transverse bottom frames
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The Rules state that certain factors are to be taken into account when determining safe speed.Those factors include ()
- A.state of wind，sea，and current，and the proximity of navigational hazards
- B.maximum attainable speed of your vessel
- C.temperature
- D.aids to navigation that are available
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What is NOT a distress signal ().
- A.A continuous sounding of the fog horn
- B.Firing a gun every minute
- C.Five or more short rapid blasts on the whistle
- D.A square flag and ball flown from the mast
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If your vessel is the stand-on vessel in a crossing situation
- A.You must keep your course and speed
- B.You may change course and speed as the other vessel must keep clear
- C.The other vessel must keep her course and speed
- D.Both vessels must keep their course and speed
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In the absence of a surgeon，the master should not regard the symptoms of ______ as ground for suspecting the existence of infectious diseas
- A.higher blood glucose after mealr
- B.fever accompanied by prostration or persisting for several days or attended with glandular swelling
- C.any acute skin rash or eruption with or without fever
- D.severe diarrhoea with symptoms of collapse
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Which EPIRB transmits a distress alert that is received and relayed by an INMARSAT satellite ()
- A.Class A EPIRBs
- B.Class B EPIRBs
- C.L-Band EPIRBs
- D.Category I EPIRBs
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Keeping the draft at or below the load line mark will insure that the vessel has adequate ().
- A.Ballast
- B.Reserve buoyancy
- C.Displacement
- D.Rolling periods
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There shall be two principal ______ through the harbor for the passage of vessels of over 60 tons burden.
- A.straits
- B.channels
- C.canals
- D.roadsteads
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Traffic separation schemes may be ()by the Organization for the purpose of these Rules.
- A.adopted
- B.adapted
- C.adjusted
- D.admitted
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Entrance Light Vessel beamed port，stopped eng.& Tug Ever took pilot off.From this remark，the ship is likely ______.
- A.making inward operation
- B.making outward operation
- C.making cargo operation
- D.at anchor
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When underway in a channel，you should keep to the ().
- A.Middle of the channel
- B.Starboard side of the channel
- C.Port side of the channel
- D.Side of the channel that has the widest turns
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A vessel has sustained damage in a collision with another vessel.It is necessary to have a Seaworthy Certificate before the vessel sails.Who will issue this certificate ________.
- A.Diplomatic Consul of the Flag State
- B.Classification Society
- C.Captain of the Port
- D.Officer in Charge of Marine Inspection
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Damage control plans and booklets shall be carried on board by ______.
- A.all ships
- B.cargo ships only
- C.passenger ships
- D.those ships loaded with liquid dangerous chemicals in bulk