A.It causes minimal damage
B.It is safe for personnel
C.It is cheaper
D.It is most effective on a per unit basis
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A.inherent characteristics
B.weight
C.destination
D.danger to humans
A.reduces and prevents corrosion of standing rigging
B.prevents corrosion of running rigging
C.reduces and prevents wear caused by the rubbing of one object against another
D.protects the body against extreme cold
A.for portable fenders
B.for ground tackle
C.on the inside of the hawsepipe
D.on mooring lines
A.anchor the boat
B.pick up heavy loads
C.protect fiber rope from abrasion
D.strengthen mooring lines
A.jibing
B.running before the wind
C.tacking
D.reefing
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The circulation around a low pressure center in the Northern Hemisphere is（）.
How long are you prohibited to consume alcohol prior to serving as a member of a watch?（）
It is dangerous for vessels without the operational radar（）the estuary.
Berthing means bringing a vessel to her berth until（）.
Full details of all lights and fog signals are shown on（）.
The loading of the ship must be done in accordance with（）.
ECDIS must be able to perform all of the following EXCEPT（）.
The ISM code is part of（）.
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
According to the relevant regulation, lifeboat should be powered by（）.