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

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

单项选择题It is easier to dock a right-hand，single-screw vessel（）.

A.starboard side to the wharf
B.either side to the wharf
C.port side to the wharf
D.stern to the wharf

单项选择题In twin-screw engine installations while going ahead，maneuvering qualities are most effective when the tops of the propeller blades both turn（）.

A.to starboard
B.outboard from the center
C.to port
D.inboard toward the center

单项选择题In towing，heaving lines are used for（）.

A.passing a tow bridle to the tug
B.passing a messenger line
C.heaving in the tow bridle
D.service lines with rocket line throwers