A.aid turning the ship
B.obtain a fine bearing
C.increase ship swings to wind or tide
D.lighten the stress of anchor chains
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A.at anchor and heading into the wind
B.backing into the wind
C.carrying lee rudder
D.necessary to apply a leeway correction to the course
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
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
最新試題
You are landing a single-screw vessel，with a right-hand propeller，starboard side to the dock.When you have approached the berth and back the engine，you would expect the vessel to （）.
You are proceeding down a channel and lose the engine（s）.You must use the anchors to stop the ship.Which statement is true（）.
A “Mediterranean moor” should be used when（）.
If the winch should fail while you are hauling in the anchor，what prevents the anchor cable from running out（）.
You are making a sharp turn in a channel and using a buoy four points on the bow to gauge your rate of turn.If you observe the buoy moving aft relative to you，what should you do（）.
（）is not a step for anchoring preparation.
All the following is true except that（）.
When dropping anchor，you are stationed at the windlass brake．The most important piece（s）of gear is（are）（）.
When weighing anchor in a rough sea，how would you avoid risk of damaging the bow plating （）.
Sometimes lights are（）by fog，haze，dust，smoke，or precipitation which may be present at the light，or between the light and the observer，and which is possibly unknown by the observer.