A.into the wind
B.away in fire and smoke
C.directly to the standby boat
D.directly to the nearest land
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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
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
Variation in a compass is caused by().
The line which connects the points of zero magnetic dip is().
When adjusting a magnetic compass for error,a deviation table should be made().
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 a magnetic compass is not in use for a prolonged period of time it should().
When changing from a compass course to a true course you should apply().
The variation for most given areas undergoes()change,the amount of which is also noted on charts.
What are the only magnetic compass correctors that correct for both permanent and induced effects of magnetism?()
Variation is a compass error that you().
When crossing the magnetic equator the().