A.should not be regarded as a vessel constrained by her draught
B.should be regarded as a vessel constrained by her draught
C.shall be regarded as a vessel restricted in her ability to maneuver
D.should be regarded as a non-displacement vessel
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A.start towing by pushing ahead
B.abandon the towing vessel
C.retrieve the tow bridle
D.relieve strain on the retrieving line
A.red lights
B.red lights and two white lights
C.red lights with a white light in between
D.white lights with a red light in between
A.barometer
B.wind vane
C.anemometer
D.thermometer
A.excessive strain is placed on the shorter leg
B.the shorter leg may fail
C.the longer leg is slack
D.All of the above
A.is the fastest method
B.is easy for a single-screw vessel to perform
C.requires the least shiphandling skills to perform
D.can be used in reduced visibility
A.With the wind from ahead
B.With the wind off the port beam
C.With the wind off the starboard beam
D.With the wind from abaft the beam
A.advance
B.head reach
C.surge
D.transfer
A.At any time you feel it is appropriate
B.Only when you have reached extremis
C.When you determine that your present course will cross ahead of the other vessel
D.When it becomes apparent to you that the give-way vessel is not taking appropriate action
A.propeller velocity
B.speed of advance
C.wake distribution
D.wake fraction
A.very little rudder
B.some left rudder
C.some right rudder
D.full left rudder
最新試題
Besides saving distance along the track line，another advantage of the Scharnow Turn over the Williamson Turn in a man overboard situation because（）.
The catenary（）.
One major advantage of the round turn maneuver in a man overboard situation is that it（）.
In twin-screw engine installations while going ahead，maneuvering qualities are most effective when the tops of the propeller blades both turn（）.
In towing it is desirable for the tug and the vessel to ride wave crests simultaneously because（）.
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（）.
In towing，heaving lines are used for（）.
A vessel which through some exceptional circumstance is unable to maneuver as required by these Rules and is therefore unable to keep out of the way of another vessel is called（）.
If the towing bridle legs are not of equal length（）.
The biggest problem you generally encounter while towing a single tow astern is（）.