A.The marine sextant
B.Thechronometer
C.The magnetic compass
D.The gyrocompass
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A.Steady
B.Meet her
C.Midships
D.Stop engines
A.Steady
B.Meet her
C.Midships
D.Stop engines
A.1degree
B.1 minute
C.1second
D.1.5 degree
A.rolling
B.pitching
C.heaving
D.swaying
A.rolling
B.pitching
C.heaving
D.swaying
最新試題
Berthing means bringing a vessel to her berth until（）.
The circulation around a low pressure center in the Northern Hemisphere is（）.
A tide is called diurnal when（）.
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（）.
ECDIS must be able to perform all of the following EXCEPT（）.
Which of the following is not a form of precipitation?（）
The helm command PORT TWENTY means（）.
In the Northern hemisphere northerly winds may cause temperature（）.
Which wind results from a land mass cooling more quickly at night than an adjacent water area?（）
What is it called when it is possible to ignite the vapour above the oil?（）