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单选题
By day，you sight a vessel displaying three shapes in a vertical line. The top and bottom shapes are balls，and the middle shape is a diamond. It could be a（）.
A
vessel trolling
B
mineclearing vessel
C
trawler
D
vessel engaged in replenishment at sea
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更多 “单选题By day，you sight a vessel displaying three shapes in a vertical line. The top and bottom shapes are balls，and the middle shape is a diamond. It could be a（）.A vessel trollingB mineclearing vesselC trawlerD vessel engaged in replenishment at sea” 相关考题
考题
In accordance with our agreement, we have()at 30 day’sight for the amount of the enclosed invoice.
A、drawn on youB、written to youC、called on youD、dispatched to you by airmail
考题
You are on a cargo vessel carrying toluol in bulk in portable tanks. Which is a requirement for pumping the toluol?A.Hose connections to the tank must be made with a minimum of three boltsB.There must be water pressure on the fire mainC.You must shut down if another vessel comes alongsideD.If transferring at anchor，you must display a red flag by day and a red light at night
考题
You are crossing a narrow channel in a 15-meter vessel when you sight a tanker off your port bow coming up the channel. Which statement is TRUE?A.Yours is the give-way vessel because it is less than 30 meters longB.You shall not impede the safe passage of the tankerC.The tanker is the stand-on vessel because it is to port of your vesselD.The tanker is the stand-on vessel because it is the larger of the two vessels
考题
A vessel displaying three red lights in a vertical line is ______.A.restricted in her ability to maneuverB.not under commandC.engaged in mineclearing operationsD.constrained by her draft
考题
A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE?A.During the day，she would display three balls in a vertical lineB.If making way，she would show masthead lights at nightC.If at anchor，she need not show anchor lights while displaying identifying lightsD.Her fog signal would consist of a rapid ringing of a bell for five seconds every minute
考题
A vessel servicing a pipeline during the day shall display ______.A.three black shapes in a vertical line; the highest and lowest are balls，and the middle one is a diamondB.three shapes in a vertical line; the highest and lowest are red balls，and the middle one is a white diamondC.three black balls in a vertical lineD.two black balls in a vertical line
考题
A vessel on the high seas that is not under command shall display which of the following day signals? ______A.Two black ballsB.Three black ballsC.Two red ballsD.Three red balls
考题
At sea you sight two red lights. This would indicate ______.A.A vessel engaged in laying cableB.A vessel not under commandC.A vessel launching and recovering aircraftD.All of the above
考题
单选题At sea，on what occasion would you display two red lights at night or two black balls during the day?（）.A
When vessel is on fireB
When vessel is not under commandC
When vessel is carrying the dangerous cargoesD
When vessel is restricted in her ability to maneuver
考题
单选题Which statement is TRUE concerning a towing vessel which，due to the nature of her work，is unable to keep out of the way of another vessel?（）A
By day，she shall carry a black cylinder shapeB
By day，she shall carry two black balls in a vertical lineC
By night，she would show the same lights as a vessel not under commandD
By day，she would show the same shapes as a vessel restricted in her ability to maneuver
考题
单选题At night you observe a vessel ahead show three flashes of a white light. This signal indicates that the vessel ahead is（）.A
in distressB
approaching a bend in the channelC
operating astern propulsionD
intending to overtake another vessel
考题
单选题A vessel displaying three red lights in a vertical line is（）.A
restricted in her ability to maneuverB
not under commandC
engaged in mineclearing operationsD
constrained by her draft
考题
单选题You see a vessel displaying three lights in a vertical line.The highest and lowest lights are red and the middle light is white.She is also showing a white light at the stern，which is lower than the forward light.It could be a（）.A
Survey vesselB
Vessel not under commandC
Vessel agroundD
Pilot vessel with port side to you
考题
单选题A vessel displaying three red lights in a vertical line is（）.A
not under commandB
agroundC
dredgingD
constrained by her draft
考题
单选题A vessel is carrying three lights in a vertical line. The highest and lowest of these are red and the middle light is white. Which statement is always TRUE? （）A
During the day，she would display three balls in a vertical lineB
If making way，she would show masthead lights at nightC
If at anchor，she need not show anchor lights while displaying identifying lightsD
Her fog signal would consist of a rapid ringing of a bell for five seconds every minute
考题
单选题You are on a cargo vessel carrying toluol in bulk in portable tanks. Which is a requirement for pumping the toluol? （）A
Hose connections to the tank must be made with a minimum of three boltsB
There must be water pressure on the fire mainC
You must shut down if another vessel comes alongsideD
If transferring at anchor，you must display a red flag by day and a red light at night
考题
单选题You are crossing a narrow channel in a 15-meter vessel when you sight a tanker off your port bow coming up the channel. Which statement is TRUE? （）A
Yours is the give-way vessel because it is less than 30 meters longB
You shall not impede the safe passage of the tankerC
The tanker is the stand-on vessel because it is to port of your vesselD
The tanker is the stand-on vessel because it is the larger of the two vessels
考题
单选题By night，you sight the lights of a vessel engaged in underwater operations. If an obstruction exists on the port side of the vessel，it will be marked by（）.A
a floodlightB
two red lights in a vertical lineC
a single red lightD
any visible lights
考题
单选题You are in charge of a power-driven vessel navigating at night.You sight the red sidelight of another vessel on your port bow.The other vessel’s aft masthead light is to the right of her forward masthead light. You should（）.A
stop enginesB
hold course and speedC
alter course to portD
sound the danger signal
考题
单选题During the day，a vessel picking up a submarine cable shall carry（）.A
three shapes，the highest and lowest shall be red balls，and the middle shall be a white diamondB
two black ballsC
three shapes; the highest and lowest shall be black balls，and the middle shall be a red diamondD
three shapes; the highest and lowest shall be black balls and the middle shall be a black diamond
考题
单选题You are the first vessel to arrive at the scene of a distress. Due to the volume of traffic on the radio，you are unable to communicate with the vessel in distress. Which action should you take?（）A
Switch to flag hoistsB
Broadcast Seelonce DistressC
Broadcast Charlie Quebec-Mayday-QuietD
Key the microphone three times in quick succession
考题
单选题Your vessel is NOT making way，but is not in any way disabled.Another vessel is approaching you on your starboard beam.Which statement is TRUE（）.A
Your vessel is obligated to stay out of the wayB
The other vessel must give way，since your vessel is stoppedC
You should be showing the lights or shapes for a vessel not under commandD
You should be showing the lights or shapes for a vessel restricted in her ability to maneuver
考题
单选题A vessel servicing a pipeline during the day shall display（）.A
three black shapes in a vertical line; the highest and lowest are balls，and the middle one is a diamondB
three shapes in a vertical line; the highest and lowest are red balls，and the middle one is a white diamondC
three black balls in a vertical lineD
two black balls in a vertical line
考题
单选题A vessel transferring provisions or cargo at sea shall display during the day（）.A
two black balls in a vertical lineB
three black balls in a vertical lineC
three shapes in a vertical line； the highest and lowest shall be red balls and the middle a white diamondD
three black shapes in a vertical line； the highest and lowest shall be balls and the middle one a diamond
考题
单选题The term of landfall means（）.A
land first sighted when vessel approaching from seawardB
land last sighted when vessel leaving from a portC
in sight of one another when vessel underwayD
in sight of an island during a ship on her voyage
考题
单选题At night，if you see a vessel ahead displaying the lights shown you should（）.A
provide assistance as the vessel is in distressB
stay clear as the vessel is transferring dangerous cargoC
stay clear as the vessel is fishingD
change course to the right as the vessel is crossing your bow
考题
单选题A vessel，which is unable to maneuver due to some exceptional circumstance，shall exhibit （）.A
during the day，three balls in a vertical lineB
during the day，three shapes，the highest and lowest being balls and the middle being a diamondC
when making way at night，two all-round red lights，sidelights，and a sternlightD
when making way at night，masthead lights，sidelights，and a sternlight
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