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单选题
When approaching a preferred-channel buoy，the best channel is NOT indicated by the（）.
A
light characteristic
B
color of the uppermost band
C
shape of an unlighted buoy
D
color of the light
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Preferred channel buoys indicate the preferred channel to transit by ______.A.odd or even numbersB.the color of their top bandC.the location of the buoy in the channel junctionD.the buoy’s light rhythms
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When a buoy is in position only during a certain period of the year，where may the dates when the buoy is in position be found?A.Light ListB.Notice to MarinersC.On the chartD.Coast Pilot
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Under the IALA-A Buoyage System，a green spar buoy with a triangular topmark would indicate that the buoy ______.A.should be left to port when heading out to seaB.may be left close aboard on either sideC.is on the north side of a point of interestD.is marking the preferred channel
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You are entering an east coast port and see a buoy with a yellow triangle painted on it．This indicates ______．A.you are in the vicinity of the ICWB.the buoy is a special markC.the buoy is off stationD.the buoy designates a sharp turn in the channel
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A vessel approaching a narrow channel shall _____.A.avoid crossing the channel if it impedes another vessel navigating in the channelB.not overtake any vessels within the channelC.keep as close as possible to the edge of the channel on her port sideD.anchor only in the middle of the channel
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How would you pass a red buoy in the maritime buoyage system “A”?______.A.keep the buoy on the vessel’s starboard side when approaching a port and on the vessel’s port side when leavingB.keep the buoy on the vessel’s port side when approaching a port and on the vessel’s starboard side when leavingC.keep the buoy on the vessel’s starboard side when approaching and leavingD.keep the buoy on the vessel’s port side when approaching and leaving
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单选题When entering from seaward，a buoy displaying a single-flashing red light would indicate （）.A
a junction with the preferred channel to the leftB
a sharp turn in the channel to the rightC
the starboard side of the channelD
a wreck to be left on the vessel's port side
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单选题When a buoy is in position only during a certain period of the year，where may the dates when the buoy is in position be found?（）A
Light ListB
Notice to MarinersC
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Coast Pilot
考题
单选题A preferred-channel buoy will show a（）.A
white light whose characteristic is Morse (A)B
group-occulting white lightC
composite group-flashing (2 + 1) white lightD
composite group-flashing (2 + 1) red or green light
考题
单选题A preferred-channel buoy may be（）.A
letteredB
sphericalC
showing a white lightD
All of the above
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单选题When a buoy marks a channel bifurcation，the preferred channel is NOT indicated by（）.A
the shape of an unlighted buoyB
the light color of a lighted buoyC
the color of the topmost bandD
whether the number is odd or even
考题
单选题What best describes an anchor buoy（）.A
A black ball that is hoisted when the ship anchorsB
A buoy attached to the anchorC
A buoy attached to the scope of an anchor chainD
A mark of the number of fathoms in an anchor chain
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单选题If the circumstances of the case admit，any vessel（）in a narrow channel.A
shall have the liberty to anchorB
shall avoid anchoringC
shall moor to a buoy when necessaryD
shall keep anchoring
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单选题You are about to cross a narrow channel when you see an approaching vessel that can only be navigated safely within the channel.You should（）.A
cross the channel as you are the stand-on vesselB
cross only if the vessel in the channel is approaching on your port sideC
not cross the channel if you might impede the other vesselD
sound the danger signal
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单选题You are entering an east coast port and see a buoy with a yellow triangle painted on it.This indicates（）.A
you are in the vicinity of the ICWB
the buoy is a special markC
the buoy is off stationD
the buoy designates a sharp turn in the channel
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单选题When using a buoy as an aid to navigation which of the following should be considered?（）A
The buoy should be considered to always be in the charted locationB
If the light is flashing，the buoy should be considered to be in the charted locationC
The buoy may not be in the charted positionD
The buoy should be considered to be in the charted position if it has been freshly painted
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单选题At 0845，you are approaching the entrances to Thimble Shoal Channel. What channel must you use?（）A
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The South Auxiliary Channel or Thimble Shoal Channel，but you must remain on the right hand side of the main channelC
The North Auxiliary Channel since you are going to turn to a northerly heading near buoy 12D
You are not permitted to use any of the channels，but must remain outside the buoyed channel line
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单选题When it is advisable to remain on VHF channel 14 you should say（）.A
stand by on VHF channel 14B
come to VHF channel 14C
VHF channel 14 is the best place for you to stay byD
remain in channel 14 and do not change
考题
单选题A lighted preferred-channel buoy may show a（）.A
fixed red lightB
Morse (A) white lightC
composite group-flashing lightD
yellow light
考题
单选题What is the light characteristic of a lighted，preferred-channel buoy? （）A
Group flashingB
Composite group flashingC
Interrupted quick flashingD
Fixed and flashing
考题
单选题A mid-channel buoy，if lighted，will show a（）.A
fixed red lightB
Morse (A) white lightC
green lightD
flashing red light
考题
单选题A vessel approaching a narrow channel shall（）.A
avoid crossing the channel if it impedes another vessel navigating in the channelB
not overtake any vessels within the channelC
keep as close as possible to the edge of the channel on her port sideD
anchor only in the middle of the channel
考题
单选题Preferred channel buoys indicate the preferred channel to transit by（）.A
odd or even numbersB
the color of their top bandC
the location of the buoy in the channel junctionD
the buoy's light rhythms
考题
单选题When approaching a preferred-channel buoy，the best channel is NOT indicated by the（）.A
light characteristicB
color of the uppermost bandC
shape of an unlighted buoyD
color of the light
考题
单选题Under the IALA-A Buoyage System，a green spar buoy with a triangular topmark would indicate that the buoy（）.A
should be left to port when heading out to seaB
may be left close aboard on either sideC
is on the north side of a point of interestD
is marking the preferred channel
考题
单选题When picking up your mooring at the buoy，the correct method is to（）.A
approach the buoy with the wind and current asternB
approach the buoy with the wind and current aheadC
approach the buoy with wind and sea abeamD
stop upwind and up current and drift down on the buoy
考题
单选题How would you pass a red buoy in the maritime buoyage system“A” （）.A
keep the buoy on the vessel's starboard side when approaching a port and on the vessel's port side when leavingB
keep the buoy on the vessel's port side when approaching a port and on the vessel's starboard side when leavingC
keep the buoy on the vessel's starboard side when approaching and leavingD
keep the buoy on the vessel's port side when approaching and leaving
考题
单选题Buoys are marked with reflective material to assist in their detection by searchlight. Which statement is TRUE? （）A
A safe-water buoy will display red and white vertical stripes of reflective materialB
All reflective material is white because it is the most visible at nightC
A special-purpose mark will display either red or green reflective material to agree with its shapeD
A preferred-channel buoy displays either red or green reflective material to agree with the top band of color
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