A vessel is wind rode when it is（）.

单项选择题A vessel brought alongside should be fended off the towing vessel by（）.

A.crew members using their arms
B.crew members using the strong muscles of their legs
C.fenders
D.No fending is necessary due to the rugged construction of most towing vessels

单项选择题A mooring system that results in a spread system without anchor buoys is called a（）.

A.permanent chasing system
B.wire rope mooring system
C.shepherd's crook mooring system
D.spring buoy mooring system

单项选择题A mooring line is described as being 6x24，1-3 4 inch wire rope. What do the above numbersrefer to?（）

A.Strands，yarns，circumference
B.Strands，wires，diameter
C.Wires，yarns，diameter
D.Strands，circumference，wires

单项选择题A Danforth lightweight anchor does NOT hold well in which type of bottom? （）

A.Mud
B.Grass
C.Sand
D.Clay

单项选择题Your 15-meter tug is underway and crossing a deep and narrow channel. A large container vessel is off your port bow on a steady bearing. Which statement is TRUE concerning this situation? （）.

A.You should maintain course and speed
B.The container vessel is the stand-on as it is the larger vessel
C.You are not to impede the safe passage of the container vessel in the channel
D.None of the above