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
A barometer showing falling pressure indicates the approach of a（）.
The microsecond unit of time is used in radar applications. The microsecond represents which of the following?（）.
A radar contact will remain stationary on a relative motion radar display only when it is（）.
How is variation indicated on a small-scale nautical chart?（）.
You are using a radar in which your own ship is shown at the center，and the heading flash always points to 0°. If bearings are measured in relation to the flash，what type of bearings are produced?（）.
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?（）.
The radar component that generates the radio-frequency energy in the form of short powerful pulses is which of the following?（）.
A Doppler log in the volume reverberation mode indicates（）.
（）is on the panel of radar.
The transmission time duration of a single pulse of radio-frequency energy is a function of the（）.