A.above
B.below
C.equal to
D.uncertain
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A.varies
B.maintains
C.Shifts
D.assembles
A.UK Hydrographic Office
B.IMO
C.International Hydrographic Organization
D.International Association of Classification society
A.Being mroe than 25 miles from shore
B.Only at night when it‟s dark
C.Being more than 6 miles from shore
D.Never
A.Advection
B.Radiation fog
C.frontal fog
D.Steam fog
A.speed
B.height
C.direction
D.course
最新試題
Fog is likely to occur when there is little difference between the dew point and the（）.
Full details of all lights and fog signals are shown on（）.
According to the relevant regulation, lifeboat should be powered by（）.
Berthing means bringing a vessel to her berth until（）.
Which of the following is not an operation mode of AIS?（）
The force resulting from the earth’s rotation that causes winds to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere is called（）.
Your vessel is docking, but not yet alongside. Which line will be the most useful when maneuvering the vessel alongside the pier?（）.
The ISM code is part of（）.
When steering by autopilot,how often should the steering be checked?（）
What is it called when it is possible to ignite the vapour above the oil?（）