A.sailing chart
B.general chart
C.coast chart
D.harbor chart
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A.azimuthal gnomonic projection
B.Lambert conformal projection
C.transverse Mercator projection
D.polyconic projection
A.fix
B.estimated position
C.dead reckoning position
D.running fix
A.American Bureau of Shipping
B.Commissioner of Customs
C.Treasury Department
D.Coast Guard
A.is easy to connect
B.provides an effective catenary and absorbs shock due to its weight
C.makes rigging a swivel unnecessary
D.prevents the tow from yawing by the drag of the chains in a seaway
A.is more flexible and has the ability to absorb shock because of its weight
B.is less subject to wear and damage from abrasion
C.requires little maintenance
D.All of the above
最新試題
A chart with a natural scale of 1:160，000 is classified as a（）.
A casualty report of an intentional grounding of a ship is required under what condition?（）
A chain bridle is used when towing astern because it（）.
A celestial body’s complete orbit around another body is（）.
A crew member reports that the high-pressure alarm light of a low-pressure CO2 fixed fire extinguishing system is illuminated. The most probable cause of this condition would be that（）.
A chart projection depicting the poles and a small area on either side of a connecting meridian，that is sometimes used for star charts，is the（）.
A continual worsening of the list or trim of any floating ship indicates（）.
A ballasted vessel sinks enroute to a dry dock. Under these circumstances，the vessel’s owner can claim（）.
A backlash below a lock is defined as a（）.
A “full service” Loran-C receiver will provide（）.