A.synchronism
B.harmony
C.check
D.step
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A.acts as a reserve length of towing hawser when the tug applies more power，and it dampens the surge effect of the tow
B.gives an approximation of the amount of strain on the towing hawser
C.is the dip in the towing hawser between the tug and the tow
D.All of the above
A.the catenary dragging on the bottom
B.swamping of the tow
C.the tow tending to dive
D.yaw
A.take a turn around the cleat，then figure-eights，and a half-hitch
B.make figure-eights，followed by a half-hitch，then a figure-eight knot
C.take a turn，a half turn，and a figure-eight
D.take several turns around the cleat only
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.is better suited for inland towing
B.resists damage from chafing
C.handles more easily
D.equalizes towing forces better
最新試題
A vessel is equipped with a single right-handed screw. With rudder amidships and calm wind，the vessel will most likely back（）.
In order for a vessel to be engaged in fishing she must be（）.
In towing it is desirable for the tug and the vessel to ride wave crests simultaneously because（）.
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（）.
Besides saving distance along the track line，another advantage of the Scharnow Turn over the Williamson Turn in a man overboard situation because（）.
Apparent wind speed blowing across a vessel under tow can be measured by a(n)（）.
If the towing bridle legs are not of equal length（）.
How does the effect known as bank suction act on a single-screw vessel proceeding along a narrow channel?（）.
For the deepest water when rounding a bend in a river，you should navigate your vessel（）.
The best method to secure a tow line to a cleat is to（）.