A.variation
B.deviation
C.compass error
D.bearing error
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A.increases with latitude，being maximum at the geographic poles
B.decreases with latitude，being maximum at the geographic equator
C.is greatest when a vessel is near the Earth's magnetic equator
D.remains the same at all latitudes
A.variation
B.deviation
C.compass error
D.drift
A.compass error
B.variation
C.magnetic dip
D.deviation
A.zero
B.equal to variation
C.eliminated by adjusting the compass
D.constant at any geographical location
A.geographical position
B.speed
C.heading
D.longitude
最新試題
Which statement about the gyrocompass is FALSE（）.
The most accurate method of determining gyrocompass error while underway is by（）.
What is the name of the movable，radial guide line used to measure direction on a radar?（）
The MOST important feature of the material used for making the binnacle of a standard magnetic compass is that it is（）.
The Flinders bar on a magnetic compass compensates for the（）.
Which compensates for errors introduced when the vessel heels over（）.
The magnetism in the various structures of a ship changing as a result of cruising，vibration，or aging is termed（）.
The line which connects the points of zero magnetic dip is（）.
Variation in a compass is caused by（）.
Which statement about the Flinders bar of the magnetic compass is CORRECT（）.