A.trouble
B.error
C.wrong
D.mistake
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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
A.reflect
B.shown
C.detected
D.defected
最新試題
A Doppler log in the volume reverberation mode indicates().
A barometer showing falling pressure indicates the approach of a().
An ECDIS is required to display which information?()
Error may be introduced into a magnetic compass by().
Deviation is the angle between the().
The microsecond unit of time is used in radar applications. The microsecond represents which of the following?().
The radar component that generates the radio-frequency energy in the form of short powerful pulses is which of the following?().
A Doppler speed log indicates speed over ground().
Compass error is equal to the().
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?().