A.compass error
B.true heading
C.variation
D.deviation
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A.geographic pole and the magnetic pole
B.lubber's line and true north
C.horizontal and the magnetic line of force
D.compass heading and the magnetic heading
A.varies depending upon the bearing used
B.is the angular difference between magnetic north and compass north
C.is published on the compass rose on most nautical charts
D.is the angular difference between geographic and magnetic meridians
A.into the wind
B.away in fire and smoke
C.directly to the standby boat
D.directly to the nearest land
A.follow-up system
B.transmitter
C.phantom element
D.azimuth motor
A.east
B.west
C.north
D.south
最新試題
The MOST important feature of the material used for making the binnacle of a standard magnetic compass is that it is（）.
What is the name of the movable，radial guide line used to measure direction on a radar?（）
When changing from a compass course to a true course you should apply（）.
When a vessel changes course from one cardinal heading to another cardinal heading whilea djusting the compass，which action should be taken?（）
A ship under construction or major repair will acquire permanent magnetism due to（）while sitting stationary in the earth’s magnetic field.
By convention，the north seeking ends of a compass’ magnets are colored（）.
The Flinders bar and the quadrantal spheres should be tested for permanent magnetism at what interval（）.
Variation is a compass error that you（）.
Which magnetic compass corrector（s）CANNOT be set on a heading of magnetic east or magnetic west（）.
What is used to correct for both induced and permanent magnetism，and consequently must be readjusted with radical changes in latitude（）.