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
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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
最新試題
Which statement is TRUE concerning hawser towing? （）
The distance that a ship moves forward with each revolutionof its propeller，if there is no slip，is called（）.
Which statement about stopping a vessel is TRUE?（）
The preferred method of controlling external bleeding is by（）.
Which statement concerning maneuvering in restricted visibility is FALSE?（）.
One method of controlling rats on vessels is by rat-proofing. Rat-proofing is accomplished by （）.
The pitch of a propeller is a measure of the（）.
When running before a heavy sea，moving weights aft will affect the handling of a vessel by （）.
Which is TRUE of a stiff vessel? （）
What indicates that a tropical cyclone may be within 500 to 1，000 miles of your position?（）