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 approaching the pilot station with the wind fine on the starboard bow and making about 3 knots.You can help to calm the seas by taking what action just before the pilot boat comes along on the port side（）.
Conventional anchors are least likely to hold in a bottom consisting of（）.
Which safety check（s）should be made before letting go the anchor（）.
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.
When turning a ship in restricted space with a strong wind，it is normally best to（）.
If the winch should fail while you are hauling in the anchor，what prevents the anchor cable from running out（）.
（）is not a step for anchoring preparation.
When weighing anchor in a rough sea，how would you avoid risk of damaging the bow plating （）.
Pilotage in this country is（）.
You are underway in fog and you hear one prolonged blast followed by two short blasts.This is a vessel（）.