A.during the day，three balls in a vertical line
B.during the day，three shapes，the highest and lowest being balls and the middle being a diamond
C.when making way at night，two all-round red lights，sidelights，and a sternlight
D.when making way at night，masthead lights，sidelights，and a sternlight
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A.a vessel restricted in her ability to maneuver
B.a vessel not under command
C.a vessel engaged in fishing
D.a vessel constrained by her draught
A.smelling the bottom
B.squatting
C.bank suction
D.bank cushion
A.the masthead lights for a towing vessel
B.the lights for a vessel restricted in its ability to maneuver
C.sidelights，sternlight and towing light
D.All of the above
A.straight astern
B.to port
C.to starboard
D.in no particular direction
A.at anchor
B.mine-clearing
C.engaged in fishing
D.engaged in towing
最新試題
In twin-screw engine installations while going ahead，maneuvering qualities are most effective when the tops of the propeller blades both turn（）.
Most of your vessel’s superstructure is forward. How will the vessel lie when drifting with no way on?（）.
A vessel is equipped with a single right-handed screw. With rudder amidships and calm wind，the vessel will most likely back（）.
It is easier to dock a right-hand，single-screw vessel（）.
If you are the stand-on vessel in a crossing situation，you may take action to avoid collision by your maneuver alone. When may this action be taken?（）.
For the deepest water when rounding a bend in a river，you should navigate your vessel（）.
A vessel towing astern in an operation which severely restricts the towing vessel and her tow in their ability to change course shall，when making way，exhibit（）.
The effect known as bank cushion acts in which of the following ways on a single-screw vessel proceeding along a narrow channel? （）
How does the effect known as bank suction act on a single-screw vessel proceeding along a narrow channel?（）.
Once a towline is connected between the towing vessel and the disabled vessel，the towing vessel should（）.