航海英语丙类大副试题(1)
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Which factor has the greatest effect on the amount of gain required to obtain a fathometer reading ().
- A.Salinity of water
- B.Temperature of water
- C.Atmospheric pressure
- D.Type of bottom
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In order for a vessel to be engaged in fishing she must be ().
- A.underway
- B.using gear which extends more than 50 meters outboard
- C.using a seine of some type
- D.using gear which restricts her maneuverability
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Chart information details to be used in ECDIS should be the latest edition of information originated by a government-authorized hydrographic office and conform. to the standards of(the)().
- A.International Maritime Organization
- B.International Hydrographic Organization
- C.NASA
- D.US Coast Guard
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What does MBDD mean on the load waterline mark ()_.
- A.Timber tropical load waterline
- B.Timber summer load waterline
- C.Timber winter load waterline
- D.Timber winter North Atlantic load waterline
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This Certificate will remain in force (在有效期中)until May 1，2009.This Sentence refers to ______ of the Certificat
- A.the validity
- B.the time
- C.the date
- D.the issue
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According to the rules，a vessel's length is her ().
- A.length between the perpendiculars
- B.length along the waterline
- C.length overall
- D.registered length
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Deep-sea liners are ____()
- A.Ferries
- B.Passenger liners
- C.Cruise ships
- D.Ocean going vessels
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When crossing a front isobars tend to ().
- A.Change from smooth curves within the air mass to sharp bends at the front
- B.Change from sharp bends within the air mass to smooth curves at the front
- C.Pass smoothly across the front with no change
- D.Become closer together at the front and pass through in straight lines
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The horizon glass of a sextant is ().
- A.Silvered on its half nearer the frame
- B.Mounted on the index arm
- C.Between the horizon and the shade glasses
- D.All of the above
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If a person is unconscious from electric shock，you should first remove him from the electrical source and then ().
- A.administer ammonia smelling salts
- B.check for serious burns on the body
- C.determine if he is breathing
- D.massage vigorously to restore circulation
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What is the purpose of cant frames in steel vessels ().
- A.To support the overhang of the stern
- B.To provide strength to shell plating at the stern
- C.To add strength to the deck beams which support the weather decks
- D.To support the plating of a cylindrical tank
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()of my ship's propeller is very strong.
- A.The running reflection
- B.The turning effect
- C.The moving speed
- D.The changing sensibility
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There is a ()mine in position 50°N，30°W.
- A.drifting
- B.drifted
- C.drift
- D.draft
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The geometric center of the waterplane area is called the ().
- A.center of buoyancy
- B.center of gravity
- C.metacenter
- D.center of flotation
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The VHF radiotelephone calling/safety/distress frequency is ().
- A.156.8 MHz(channel 16)
- B.156.7 MHz(channel 14)
- C.156.65 MHz(channel 13)
- D.156.6 MHz(channel 12)
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ECDIS must give an alarm for which of the following cases ().
- A.When the specified limit for deviation from the planned route is exceeded
- B.If the ship，within a specified time set by the watch officer，is going to cross a safety contour
- C.If the ship，within a specified time set by the watch officer，is going to cross the boundary of a prohibited area
- D.All of the above
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When should distress flares and rockets be used ().
- A.Immediately upon abandoning the vessel
- B.Only when there is a chance of their being seen by a rescue vessel
- C.At one hour intervals
- D.At half hour intervals
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If we had stayed at that port much longer，we ()the tropical storm.
- A.will meet with
- B.met with
- C.would meet with
- D.would have met with
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The period of roll is the time difference between () inclination to full inclination on one side
- A.Zero inclination to full inclination on one side
- B.Full inclination on one side to full inclination on the other side
- C.Full inclination on one side to the next full inclination on the same side
- D.Zero inclination to the next zero inclination
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The microsecond unit of time is used in radar applications. The microsecond represents which of the following ().
- A.One-millionth part of a second
- B.One-thousandth part of a second
- C.One-hundredth part of a second
- D.One-tenth part of a second
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The generators on your ship have shut down，leaving you without navigation lights.Which emergency signal would you transmit over the VHF radio to alert vessels in the area of your predicament ().
- A.Mayday，Mayday，Mayday
- B.Pan，Pan，Pan
- C.Security，Security，Security
- D.Lights out，Lights out，Lights out
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What causes geocentric parallax ().
- A.The varying distance between the Earth and Moon
- B.The change in the Moon's position relative to the stars when viewed from the Earth's surface，as compared to the Earth's center
- C.The rapid change in declination of the Moon causes a rotational oscillation of its axis
- D.The nearness of the Moon causes an apparent increase in diameter as its altitude increases
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By radar alone，you detect a vessel ahead on a collision course，about 3 miles distant.Your radar plot shows this to be a meeting situation.You should ().
- A.turn to port
- B.turn to starboard
- C.maintain course and speed and sound the danger signal
- D.maintain course and speed and sound no signal
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Which procedure should be followed when individuals are rescued in cold climates and suffer from hypothermia ().
- A.Give them brandy or other alcoholic stimulation to promote a return to an acceptable body temperature
- B.Move them to a warm room to gradually raise their body temperature
- C.Keep them moving to stimulate circulation to raise their body temperature
- D.Warm them under an electric blanket to rapidly regain normal body temperature
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The set of the current is the ().
- A.speed of the current at a particular time
- B.maximum speed of the current
- C.direction from which the current flows
- D.direction in which the current flows
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The prime vertical is the reference point from which the angle of which type of observation is measured ().
- A.Sextant angle
- B.Azimuth
- C.Amplitude
- D.Local apparent noon
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PAN-PAN repeated three times over the radiotelephone indicates which type of message will follow ().
- A.Distress
- B.Safety
- C.All clear
- D.Urgency
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A V-shaped ripple with the point of the V pointing upstream in a river may indicate a ().
- A.Submerged rock，not dangerous to navigation
- B.Sunken wreck，not dangerous to navigation
- C.Towed-under buoy
- D.All of the aboveV
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The center of the underwater volume of a floating vessel is the ().
- A.Center of buoyancy
- B.Center of flotation
- C.Uncorrected height of the center of gravity of the vessel
- D.Center of gravity of the vessel corrected for free surface effects
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The velocity of the current in large coastal harbors is ().
- A.predicted in Tidal Current Tables
- B.unpredictable
- C.generally constant
- D.generally too weak to be of concern
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The following ______ is a standard phras
- A.You should anchor in anchorage B 3
- B.Anchor in anchorage B 3
- C.You could anchor in anchorage B 3
- D.You could，I think，anchor in anchorage B 3
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Metacentric height is an indication of a vessel's stability ().
- A.for all angles of inclination
- B.for large angles of inclination
- C.for small angles of inclination
- D.in no case
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My position has been obtained by ().
- A.Astronomical observation
- B.Hydrographic survey
- C.Weather prediction
- D.Current sailing
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International Oil Pollution Prevention Certificate shall be carried on board by ______ which is engaged in voyages to ports or offshore terminals under the jurisdiction of other Parties to MARPOL 73/78.
- A.Oil tanker of 150 gross tonnage and above
- B.Bulk carrier
- C.Cargo vessel
- D.Passenger ship
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The following ()is a standard phrase.
- A.You may enter fairway
- B.You should enter fairway
- C.It is permitted to enter fairway
- D.You could enter fairway
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Retrograde motion is the ().
- A.Movement of the points of intersection of the planes of the ecliptic and the equator
- B.Apparent westerly motion of a planet with respect to stars
- C.Movement of a superior planet in its orbit about the Sun
- D.Movement of the celestial north pole in an elliptical pattern in space
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You receive a package，for shipment aboard your vessel，containing Class 1 explosives.The package is damp，moldy and stained.You must ().
- A.Refuse to accept the package
- B.Note the exception(s)on the Bill of Lading
- C.Replace the packaging material before stowage
- D.Seek the approval of the USCG Captain of the Port
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Increasing free surfaces has the effect of raising the ().
- A.uncorrected KG
- B.virtual height of the center of gravity
- C.metacenter
- D.metacentric height
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The error in a sextant altitude caused by refraction is greatest when the celestial body is ().
- A.high in the sky
- B.near the horizon
- C.rising
- D.at or near transit
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Opposition occurs when ().
- A.the Sun，Earth，and Moon are at right angles
- B.the Sun's declination is 0° and is moving south
- C.an inferior planet is at the maximum angle to the line of sight to the Sun
- D.the Earth is between a planet and the Sun
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In writing up the log book at the end of your watch，you make an error.Which of the following is the way to correct the error ________.
- A.Carefully and neatly erase the entry and rewrite it correctly
- B.Remove this page of the log book and rewrite all entries on a clean page
- C.Blot out the error completely and rewrite the entry correctly
- D.Cross out the error with a single line and rewrite the entry correctly
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In ship construction，beams are transverse girders which provide support to ().
- A.bulkheads
- B.deckhouse structures
- C.decks
- D.vertical frames
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When the transmissions of a radio station or a Decca chain，etc.，have broken down，switched off or suspended，it is ()
- A.Unfunctional
- B.Break down
- C.Off power
- D.Off air
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Messages concerning weather conditions transmitted by radiotelephone are preceded by ______.
- A.MAYDAY
- B.PAN-PAN
- C.SECURITE
- D.SOS
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High concentrations of H2S gas are most dangerous to personnel because they can ().
- A.Cause involuntary muscle contractions
- B.Paralyze your breathing system
- C.Cause eye inflammation
- D.Cause dizziness
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The altitude at LAN may be observed by starting several minutes in advance and continuing until a maximum altitude occurs.This procedure should not be used ().
- A.when the declination and latitude are of different names
- B.when the declination is greater than and the same name as the latitude
- C.if the vessel is stopped or making bare steerageway
- D.on a fast vessel on northerly or southerly headings
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My gyro-compass error is ().
- A.east two degrees
- B.two degrees east
- C.two east degrees
- D.two-degrees east
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A nun buoy will ().
- A.be green in color
- B.have an even number
- C.be left to port when entering from seaward
- D.be cylindrical in shape
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If a vessel of special construction cannot fully comply with the Rules，her degree of compliance shall be determined by ().
- A.IMO
- B.the owners of the vessel
- C.the government
- D.the builder
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Neap tides occur when the ().
- A.Moon is in its first quarter and third quarter phases
- B.Sun and Moon are on opposite sides of the Earth
- C.Moon's declination is maximum and opposite to that of the Sun
- D.Sun and Moon are in conjunction