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
最新試題
Shipboard Emergency Drills must be carried out at least（）on board cargo ship.
In the Northern hemisphere northerly winds may cause temperature（）.
Which of the following shall not the officers in charge of the navigational watch do?（）
The circulation around a low pressure center in the Northern Hemisphere is（）.
What is a CORRECT reply to a pilot’s request, How’s your heading?（）
Manoeuvring information can not be obtained from（）.
When steering by autopilot,how often should the steering be checked?（）
According to the relevant regulation, lifeboat should be powered by（）.
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
The helm command PORT TWENTY means（）.