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单选题
Which vessel would display a cone，apex downward（）.
A
A fishing vessel with outlying gear
B
A vessel proceeding under sail and machinery
C
A vessel engaged in diving operations
D
A vessel being towed
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单选题A Master would be well advised to file a note of protest if（）.A
Portions of his vessel's cargo were illegally impoundedB
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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
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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
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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
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单选题What is TRUE of the history display of a target’s past positions on an ARPA?（）A
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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
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three all-round red lights instead of the lights required for a power-driven vessel of her classB
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three all-round red lights in addition to the lights required for a power-driven vessel of her classD
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考题
单选题A vessel engaged in fishing during the day would show（）.A
one black ballB
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考题
单选题An overtaking situation at night would be one in which one vessel sees which light(s) of a vessel ahead?（）A
Masthead lights and sidelightsB
One sidelight，the masthead lights and stern lightC
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考题
单选题Which vessel when anchored at night，would not be required to show anchor lights? （）A
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The Master of the vessel in distress has requisitioned another vessel，and that vessel has accepted the requisitionD
You are on a tanker and the distress involves a major fire on board the other vessel
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单选题During the day，a vessel with a tow over 200 meters in length will show（）.A
a black ballB
a diamond shapeC
two cones，apexes togetherD
one cone，apex upward
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单选题A vessel which is being assisted by an icebreaker would display a flag hoist consisting of the code numeral 4 when the vessel（）.A
speed begins to dropB
stopsC
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单选题On a tank vessel, which of the following substances would be burning in a class "B" fire?（）A
OilB
WoodC
RagsD
Electrical wiring
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单选题A vessel is fishing at anchor on the high seas. Which of the following day signals should she display if she has gear extending out over 150 meters horizontally from the vessel?（）.A
A black ball in the forepart of her vesselB
A black double frustum of a coneC
A basket where best seenD
A black cone point upwards
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