大副业务英语题库试卷(1)
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The rated operating time of a self-contained breathing device may be reduced in actual use because of ().
- A.pressure differences in the atmosphere
- B.the length of the hose attached to the facepiece
- C.the physical exertion of the person wearing the device
- D.spaces containing poisonous vapors
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The downflooding angle for a ship is the minimum angle at which ().
- A.The load line becomes submerged
- B.A non-watertight opening is at still water level
- C.Offset becomes excessive
- D.Reserve buoyancy is a maximum
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How can vessel personnel detect the operation of a SART in its vicinity ().
- A.A unique radar signal consisting of a blip code radiating outward from a SART's position along its line of bearing
- B.A unique two tone“warbling”signal heard on VHF-FM ch-70
- C.A unique two tone alarm signal heard upon the automatic unmuting of the 2182 kHz radiotelephone automatic watch receiver
- D.The SART signal appears as a target which comes and goes; the effect of heavy swells on the SART
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The terms“cant frame”and“counter”are associated with the vessel's ().
- A.Cargo hatch
- B.Forecastle
- C.Steering engine
- D.Stern
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Your load line certificate expires on 27 May 2006.The vessel is surveyed on that date and is found satisfactory.You are sailing foreign the same day.Which statement is TRUE ________.
- A.A new certificate must be issued before you sail
- B.The existing certificate is endorsed as valid for a five year period commencing 27 May 2006
- C.The existing certificate is extended for a period of up to 150 days
- D.The existing certificate is extended until the first foreign port of call where a new certificate will be issued by the local surveyor
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The Sailing Directions contain information on ______.
- A.Required navigation lights
- B.Lifesaving equipment standards
- C.Casualty reporting procedures
- D.Currents in various locations
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In waters where the cardinal system is used you would expect to find danger ().
- A.Lying to the south of an eastern quadrant buoy
- B.Lying to the south of a northern quadrant buoy
- C.Lying to the east of an eastern quadrant buoy
- D.Beneath or directly adjacent to the buoy
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A vessel that is dead in the water on an even keel with most of her superstructure forward will lay ______.
- A.With the wind abaft the beam or on the stern
- B.With the wind on the beam
- C.With the wind on the bow
- D.With the wind dead ahead
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Every vessel shall ()maintain a proper look-out by sight and hearing as well as by all available means appropriate in prevailing circumstances and conditions so as to make a full appraisal of the situation and of the risk of collision.
- A.in fog
- B.at night
- C.in narrow fairway
- D.at all times
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The radar component that produces the synchronizing signal and triggers the indicator sweep is which of the following ().
- A.Transmitter
- B.Antenna system
- C.Indicator
- D.Modulator
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CALDOVREP is ______.
- A.a pilot station
- B.a port
- C.a mandatory ship reporting system
- D.a vessel commences its voyage from a location beyond one limit of the inshore traffic zone
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In radiotelephony，the spoken word for distress is ().
- A.Securite
- B.Safety
- C.Emergency
- D.MAYDAY
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Vessel engaged in the launching or recovery of aircraft is called ().
- A.A vessel restricted in her ability to maneuver
- B.A vessel not under command
- C.A vessel constrained by her draught
- D.A vessel not under way
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If the buoyant force on a ship's hull is equal to the displacement tonnage，the ship will ().
- A.require ballast
- B.be down by the head
- C.sink
- D.float
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If you see someone fall overboard from a vessel，you should ().
- A.immediately jump in the water to help the individual
- B.call for help and keep the individual in sight
- C.run to the radio room to send an emergency message
- D.go to the control room for the distress flares
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Channel 13(156.65 MHz)，the designated bridge-to-bridge channel，may NOT be used to ().
- A.exchange navigational information between vessels
- B.exchange navigational information between a vessel and a shore station
- C.conduct necessary tests
- D.exchange operating schedules with company dispatcher
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In order to retrieve an inflatable life raft and place it on deck，you should heave on the ().
- A.lifelines
- B.righting strap
- C.sea anchor
- D.towing bridle
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The type of fog that occurs on clear nights with very light breezes and forms when the earth cools rapidly by radiation is known as ().
- A.Radiation fog
- B.Frontal fog
- C.Convection fog
- D.Advection fog
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If a magnetic compass is not affected by any magnetic field other than the Earth's，which statement is TRUE ().
- A.Compass error and variation are equal
- B.Compass north will be true north
- C.Variation will equal deviation
- D.There will be no compass error
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If an observer in the Northern Hemisphere faces the surface wind，the center of low pressure is to his().
- A.Left，slightly behind him
- B.Right，slightly behind him
- C.Left，slightly in front of him
- D.Right，slightly in front of him
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When a vessel navigates in an area with a small underkeel clearance but with adequate space to take avoiding action she ().
- A.Should not be regarded as a vessel constrained by her draught
- B.Should be regarded as a vessel constrained by her draught
- C.Shall be regarded as a vessel restricted in her ability to maneuver
- D.Should be regarded as a non-displacement vessel
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A continuous watertight bulkhead on a ship may also be a/an ().
- A.structural bulkhead
- B.exterior bulkhead
- C.centerline bulkhead
- D.joiner bulkhead
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If you see someone fall overboard from a ship，you should ().
- A.immediately jump in the water to help the individual
- B.call for help and keep the individual in sight
- C.run to the radio room to send an emergency message
- D.go to the control room for the distress flare
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Horizontal fore or aft motion of a vessel is known as ().
- A.pitch
- B.surge
- C.sway
- D.roll
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Concerning a celestial observation，the azimuth angle is measured from the principal vertical circle to the ().
- A.Greenwich celestial meridian
- B.hour circle of the body
- C.local celestial meridian
- D.vertical circle of the body
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Semisubmersibles A and B are identical.However，A is more tender than B.This means that A relative to B has a ().
- A.Lower KG
- B.Smaller GM
- C.Smaller roll angle
- D.Larger GZSemisubmersibles
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Tides are superimposed on nontidal rising and falling water levels，caused by ().
- A.freshets
- B.floods
- C.river flows
- D.seismic events
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A vessel sounds one short blast.This signal indicates the vessel ().
- A.intends to alter course to starboard
- B.intends to pass starboard to starboard
- C.is altering course to starboard
- D.intends to pass port to port
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You are approaching another vessel and will pass starboard to starboard without danger if no course changes are made.You should ().
- A.hold course and sound a two blast whistle signal
- B.hold course and sound no whistle signal
- C.change course to the right and sound one blast
- D.hold course and sound two prolonged and two short blasts
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A vessel，which does not normally engage in towing operations，is towing a vessel in distress.She ____.
- A.need not show the lights for a vessel engaged in towing，if it is impractical to do so
- B.may show the lights for a vessel not under command
- C.must show a yellow light above the stern light
- D.must show the lights for a vessel towing
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Reducing the liquid free surfaces in a vessel reduces the ().
- A.Roll period
- B.Metacentric height
- C.Waterplane area
- D.Vessel's draft
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Inclination of the vessel to port side or starboard side defines ().
- A.Tip
- B.Capsize
- C.List
- D.Trim
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In radiotelephone communications，the prefix PAN-PAN indicates that ().
- A.a ship is threatened by grave and imminent danger and requests immediate assistance
- B.a calling station has an urgent message about the safety of a person
- C.the message following the prefix will be about the safety of navigation
- D.the message following is a meteorological warning
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A message by flashing light consists of the call，the identity，the ending，and the ______.
- A.reply
- B.text
- C.time
- D.answer
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______ is placed in the front of the ship under the water，which eases berthing or manoeuvering sideways at slow spee
- A.the bulbous bow
- B.the anchor
- C.the bow thruster
- D.the propeller
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If the metacentric height is large，a floating vessel will ().
- A.Be tender
- B.Have a slow and easy motion
- C.Be stiff
- D.Have a tendency to yaw
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When a light is first seen on the horizon it will disappear again if the height of eye is immediately lowered several feet.When the eye is raised to its former height the light will again be visible.This process is called ().
- A.Checking a light
- B.Raising a light
- C.Obscuring a light
- D.Bobbing a light
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As defined in the Rules，a towing light is a yellow light having the same characteristics as a(n)().
- A.masthead light
- B.all-round light
- C.sidelight
- D.sternlight
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Good anchorage may be obtained anywhere in this water area，the bottom being generally mud and sand，vessel may have ______.
- A.good getting ground
- B.good holding ground
- C.good grabbing ground
- D.good handling ground
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A “loose” tow may cause all of the following EXCEPT ______.
- A.loss of maneuverability
- B.lines to part
- C.damage to the towing vessel and tow
- D.a saving in the transit time
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If you hear the firing of a gun at one minute intervals from another vessel，this indicates that ().
- A.the gun is being used to sound passing signals
- B.the vessel is in distress
- C.all vessels are to clear the area
- D.all is clear and it is safe to pass
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The set of the ocean current is caused by ().
- A.density differences of the water
- B.rotation of the earth
- C.direction of primary circulation of air
- D.All of the above
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Life preservers should be stowed in ().
- A.the forepeak
- B.messrooms
- C.convenient protected topside locations
- D.locked watertight containers
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My drafts are 28 feet ()and 29 feet aft.
- A.fore
- B.advance
- C.before
- D.beforehand
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A bluff bar is a bar ().
- A.extending out from a bluff alongside the river
- B.that tends to give a false indication of its position
- C.that has a sharp drop off into deep water
- D.that is perpendicular to the current
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Which of the following is the reason that the metacentric height is a valid measure of only the initial stability ().
- A.The metacenter does not remain in the same position for large angles of inclination
- B.The center of gravity shifts due to inclination
- C.The center of gravity shifts above the metacenter as the vessel is inclined
- D.The mean draft will change as the vessel is inclined
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The Rules state that a seaplane shall ().
- A.not be regarded as a vessel
- B.in general，keep well clear of all vessels
- C.proceed at a slower speed than surrounding vessels
- D.when making way，show the lights for a vessel not under command
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Your vessel is broken down and rolling in heavy seas.You can reduce the possibility of capsizing by __.
- A.Constantly shifting the rudder
- B.Rigging a sea anchor
- C.Moving all personnel aft
- D.Moving all personnel forward and low
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Which current would you encounter on a direct passage from southern Africa to Argentina，South America ().
- A.South Atlantic
- B.South Equatorial
- C.Agulhas
- D.Guinea
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All bulk grain carriers shall carry on board the following certificates except ______.
- A.cargo information
- B.document of authorization for the carriage of grain
- C.decision support system for masters
- D.cargo ship safety certificate