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 speed log indicates speed over ground（）.
A tall object with a light on or near the shore，to act as a guide or warning to mariners is called（）.
The microsecond unit of time is used in radar applications. The microsecond represents which of the following?（）.
A radar range to a small，charted object such as a light will provide a line of position in which form?（）.
A radar display which is oriented，so that north is always at the top of the screen，is called a(n)（）.
The transmission time duration of a single pulse of radio-frequency energy is a function of the（）.
The radar component that produces the synchronizing signal and triggers the indicator sweep is which of the following?（）.
How is variation indicated on a small-scale nautical chart?（）.
A radar display in which North is always at the top of the screen is a(n)（）.
Compass deviation is caused by（）.