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
您可能感興趣的試卷
你可能感興趣的試題
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
A.The readings are too low (small numerically) and the amount of the error must be added to the compass to obtain true
B.The readings are too low and the amount of the error must be subtracted from the compass to obtain true
C.The readings are too high (large numerically) and the amount of the error must be added to the compass to obtain true
D.The readings are too high and the amount of the error must be subtracted from the compass to obtain true
A.the deviation has been offset by the variation
B.there is something wrong with the compass
C.the compass is being influenced by nearby metals
D.there is no deviation on that heading
最新試題
A ship under construction or major repair will acquire permanent magnetism due to（）while sitting stationary in the earth’s magnetic field.
The quadrantal spheres are used to（）.
The variation for most given areas undergoes（）change，the amount of which is also noted on charts.
Which magnetic compass corrector（s）CANNOT be set on a heading of magnetic east or magnetic west（）.
What is an advantage of the magnetic compass aboard vessels?（）
By convention，the north seeking ends of a compass’ magnets are colored（）.
The most accurate method of determining gyrocompass error while underway is by（）.
In more recent years，（）has been used by civilians in many new ways to determine positions，such as in automobile and boat navigation，hiking，emergency rescue，and precision agriculture and mining.
When adjusting a magnetic compass for error，a deviation table should be made（）.
The Flinders bar on a magnetic compass compensates for the（）.