单项选择题
A.permanent chasing system B.wire rope mooring system C.shepherd's crook mooring system D.spring buoy mooring system
A mooring line is described as being 6x24,1-3/4 inch wi...
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
A Danforth lightweight anchor does NOT hold well in whi...
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
Your 15-meter tug is underway and crossing a deep and n...
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