A.GPS
B.GMDSS
C.AIS
D.Navtex
您可能感興趣的試卷
你可能感興趣的試題
A.Black
B.Blue
C.Red
D.White
A.flux
B.poles
C.magnets
D.azimuth
A.If the blue ends of the magnets are aft，and the fore-and-aft tray is at the top，you should add some magnets
B.If the blue ends of the magnets are aft you should lower the fore-and-aft tray
C.If the blue ends of the magnets are aft，and the fore-and-aft tray is at the top，you should reverse the magnets
D.If the blue ends of the magnets are forward，and the fore-and-aft tray is at the bottom，you should add some magnets
A.hammering and jarring
B.vibration and pounding
C.varying magnetic fields
D.stable or permanent magnetism of the ship
A.variation
B.deviation
C.variation and deviation
D.a correction for the direction of current set
最新試題
What are the only magnetic compass correctors that correct for both permanent and induced effects of magnetism?（）
The MOST important feature of the material used for making the binnacle of a standard magnetic compass is that it is（）.
A ship under construction or major repair will acquire permanent magnetism due to（）while sitting stationary in the earth’s magnetic field.
The variation for most given areas undergoes（）change，the amount of which is also noted on charts.
When changing from a compass course to a true course you should apply（）.
Which statement about the gyrocompass is FALSE（）.
When a vessel changes course from one cardinal heading to another cardinal heading whilea djusting the compass，which action should be taken?（）
The magnetism in the various structures of a ship changing as a result of cruising，vibration，or aging is termed（）.
What is the name of the movable，radial guide line used to measure direction on a radar?（）
By convention，the north seeking ends of a compass’ magnets are colored（）.