A.By day，she shall carry a black cylinder shape
B.By day，she shall carry two black balls in a vertical line
C.By night，she would show the same lights as a vessel not under command
D.By day，she would show the same shapes as a vessel restricted in her ability to maneuver
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A.A vessel which cannot avoid a close-quarters situation with a vessel forward of her beam shall reduce her speed to bare steerageway
B.A vessel which hears a fog signal forward of her beam shall stop her engines
C.A vessel which hears a fog signal forward of the beam shall navigate with caution
D.If a vessel determines by radar that a close-quarters situation is developing，she shall take avoiding action in ample time
A.It automatically maintains tow line tension
B.It prolongs the life of the hawser by distributing chafing as the hawser is paid out and taken in
C.As tension on the hawser increases，more line is taken in by the automatic towing engine
D.As tension on the hawser decreases，more line is taken in by the automatic towing engine
A.A lightly laden vessel requires as much stopping distance as a fully laden vessel when the current is from astern
B.A vessel is dead in the water when the back wash from astern operation reaches the bow
C.A tunnel bow thruster can be used in an emergency to reduce the stopping distance
D.When a vessel is dead in the water any speed displayed by doppler log reflects the current
A.It has a small GM
B.It pitches heavily
C.It has an unusually high center of gravity
D.Its period of roll is short
A.Slightly higher fuel consumption
B.Lack of directional control when backing
C.Inefficient at high shaft RPM
D.Some unusual handling characteristics
A.A long swell from an unusual direction
B.A lengthy lull in the wind and seas
C.Large seas coming from different directions
D.A brisk chop from the southeast
A.Excessive pitching
B.Excessive yawing
C.Excessive rolling
D.No change should be evident
A.reduce the time the sounding tube is open
B.avoid creating a spark
C.lessen the effect of roll or pitch on the reading
D.lessen the effect of heave on the reading
A.reducing rolling
B.increasing rolling
C.reducing yawing
D.increasing yawing
A.pumped overboard to calm the seas
B.drained to the lower hull to reduce free surfaces
C.filled to ensure that sufficient fuel oil is available during a lengthy emergency
D.partially drained to increase free surfaces in order to reduce motions
最新试题
Which statement concerning an automatic towing engine is FALSE? （）
That half of the hurricane to the right hand side of its track (as you face the same direction that the storm is moving) in the Northern Hemisphere is called the（）.
The forward movement of a ship in one revolution of its propeller is measured by（）.
When a deck cargo is secured with chain or wire lashings and grab (pear) links，which statement is FALSE?（）
The distance that a ship moves forward with each revolutionof its propeller，if there is no slip，is called（）.
When preparing a ship for heavy weather，fuel oil day tanks should be（）.
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?（）
Which will NOT reduce yawing of a tow?（）
The angular movement of a vessel about a horizontal line drawn from its bow to its stern is （）.
Which is TRUE of a stiff vessel? （）