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
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A.permanent chasing system
B.wire rope mooring system
C.shepherd's crook mooring system
D.spring buoy mooring system
A.Strands，yarns，circumference
B.Strands，wires，diameter
C.Wires，yarns，diameter
D.Strands，circumference，wires
A.Mud
B.Grass
C.Sand
D.Clay
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
A.swinging
B.dredging her anchor
C.taking bearings of the lights
D.taking distances of the lights
最新試題
You are riding to a single anchor.The vessel is yawing excessively.Which action should be taken to reduce the yawing（）.
When turning a ship in restricted space with a strong wind，it is normally best to（）.
You are mooring to a buoy．You should approach the buoy with the current from（）.
Pilotage in this country is（）.
Conventional anchors are least likely to hold in a bottom consisting of（）.
Mariners should ensure correct（）of aids to navigation during twilight periods when some lighted aids to navigation are lit while others are not.
What effect is achieved from soaking an anchor（）．
All the following is true except that（）.
When anchoring，good practice requires 5 to 7 fathoms of chain for each fathom of depth. In deep water you should use（）.
Which safety check（s）should be made before letting go the anchor（）.