A.accurate only in the Polar regions
B.accurate electronic servomechanisms
C.hand operated
D.accurate only if the vessel is underway
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A.Magnetic compass table
B.Magnetic meridians
C.Isogonic lines
D.Variation is not indicated on small-scale nautical charts
A.radar
B.DF
C.Satellite Navigator
D.Automatic Omega Navigator
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
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.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
最新試題
An ECDIS is required to display which information?（）
An ECDIS is required to display which information?（）
A deadhead is a(n)（）.
Deviation in a compass is caused by the（）.
A radar range to a small，charted object such as a light will provide a line of position in which form?（）.
Gyrocompass repeaters reproduce the indications of the master gyrocompass. They are（）.
How is variation indicated on a small-scale nautical chart?（）.
（）is on the panel of radar.
A Doppler log in the bottom return mode indicates the（）.
（）should be used during the poor visibility if the radar’s screen shows heavy sea returns.