A.Advection
B.Radiation fog
C.frontal fog
D.Steam fog
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A.speed
B.height
C.direction
D.course
A.lateral marks and cardinal marks
B.safe water marks
C.isolated danger marks and special marks
D.dangerous water marks
A.Poop
B.Store room
C.Accommodation
D.Saloon
A.Group A
B.Group B
C.Group C
D.Group D
A.Every company
B.Every vessel
C.Every country
D.USA
最新試題
Berthing means bringing a vessel to her berth until（）.
The mean draft of a ship is the draft（）.
Despite the rising importance and great convenience of the gyrocompass,the magnetic compass still retain its importance because of its（）.
Fog is likely to occur when there is little difference between the dew point and the（）.
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 loading of the ship must be done in accordance with（）.
What is it called when it is possible to ignite the vapour above the oil?（）
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（）.
When the wave period and the apparent rolling period are the same（）.