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
One major advantage of the round turn maneuver in a man overboard situation is that it（）.
The best method to secure a tow line to a cleat is to（）.
A vessel travelling down a narrow channel，especially if the draft is nearly equal to the depth of the water，may set off the nearer side. This effect is known as（）.
Apparent wind speed blowing across a vessel under tow can be measured by a(n)（）.
As a ship moves through the water，it drags with it a body of water called the wake. The ratio of the wake speed to the ship’s speed is called（）.
A vessel，which is unable to maneuver due to some exceptional circumstance，shall exhibit （）.
In order to back a right-handed，single-screw vessel in a straight line，you will probably need to use（）.
In ballasting to survival draft，while in transit，due to extreme wind and wave loads，thrusters or propulsion，if available，should be used to（）.
Once a towline is connected between the towing vessel and the disabled vessel，the towing vessel should（）.
At night，a vessel shall indicate that she is restricted in her ability to maneuver by showing in a vertical line two（）.