A.the catenary dragging on the bottomB.swamping of the ……

单项选择题The best method to secure a tow line to a cleat is to（）.

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

单项选择题One major advantage of the round turn maneuver in a man overboard situation is that it（）.

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

单项选择题One advantage of chain over wire rope for a tow bridle is that chain（）.

A.is better suited for inland towing
B.resists damage from chafing
C.handles more easily
D.equalizes towing forces better

单项选择题Once a towline is connected between the towing vessel and the disabled vessel，the towing vessel should（）.

A.not exceed bare steerageway during the transit
B.take a strain as soon as you can to control the tow
C.come up to speed very slowly and maintain a safe speed
D.come up to speed quickly，then cut back power considerably to ease the strain

单项选择题Most of your vessel’s superstructure is forward. How will the vessel lie when drifting with no way on?（）.

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