A.east
B.west
C.north
D.south
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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
A.Compass error and variation are equal
B.Compass north will be true north
C.Variation will equal deviation
D.There will be no compass error
最新試題
When adjusting a magnetic compass using the fore-and-aft permanent magnets，you should（）.
A vessel is heading magnetic east and its magnetic compass indicates a heading of 086°.Which action should be taken to remove this error during compass adjustment（）.
When adjusting a magnetic compass for error，a deviation table should be made（）.
Variation in a compass is caused by（）.
Which magnetic compass corrector（s）CANNOT be set on a heading of magnetic east or magnetic west（）.
When a vessel changes course from one cardinal heading to another cardinal heading whilea djusting the compass，which action should be taken?（）
The Flinders bar and the quadrantal spheres should be tested for permanent magnetism at what interval（）.
The MOST important feature of the material used for making the binnacle of a standard magnetic compass is that it is（）.
Variation is the angular measurement between（）.
Variation is a compass error that you（）.