A.compass error
B.true heading
C.variation
D.deviation
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A.trouble
B.error
C.wrong
D.mistake
A.Notify the engine room of the steering malfunction
B.Change to hand steering
C.Call the Master
D.Send the Quartermaster to the emergency steering station
A.variation
B.compass error
C.deviation
D.earth's magnetic force
A.Similize
B.Clock
C.Synchronize
D.Position
A.east two degrees
B.two degrees east
C.two east degrees
D.two-degrees east
最新試題
The minimum range at which a target can be detected is basically determined by which of the following?（）.
（）the canal transit，the radar was operating.
The microsecond unit of time is used in radar applications. The microsecond represents which of the following?（）.
A radar display in which North is always at the top of the screen is a(n)（）.
（）20 targets can be tracked at one time．When maximum tracking capacity is reached，no further acquisitions are possible.
Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are（）.
An ECDIS is required to display which information?（）
An indirect radar echo is caused by a reflection of the main lobe of the radar beam off the observer’s vessel. Which of the following is NOT a characteristic of indirect echoes?（）.
A radar display which is oriented，so that north is always at the top of the screen，is called a(n)（）.
Compass deviation is caused by（）.