A.Cygnus
B.Pegasus
C.Ursa Major
D.Andromeda
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A.Maritime Safety Information
B.Maritime Shipping Index
C.Maritime Satellite Indicator
D.Mariner Safety Intelligence
A.litmus paper
B.combustible gas indicator
C.oxygen breathing apparatus
D.oxygen indicator
A.longitudinally
B.vertically
C.transversely
D.intermittently
A.between sunset and sunrise
B.only between 8 AM and 4 PM
C.during daylight hours in any visibility
D.during daylight hours in unrestricted visibility only
A.one zone to the east
B.one zone to the west
C.two zones to the east
D.two zones to the west
最新試題
Chart legends printed in capital letters show that the associated landmark is().
Commercial ships or other persons or agencies requiring the assistance of Canadian Coast Guard icebreakers should first contact().
Class I and II private aids to navigation in or along navigable waters of the United States are listed in the().
Chronometer error may be found by().
Compared to internal structural plating,the exterior hull plating on a ship is usually().
Consideration should be given in planning for the mooring orientation in a new location so that in adverse weather a crane is available to off-load the supply vessel on what side of the unit?()
Concerning the identification signal for a pilot vessel,in fog,which statement is TRUE?()
Changing rescuers while carrying out artificial respiration should be done().
Dacron sails,when not in use,may be damaged if().
Denebola is found in what constellation?()