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 celestial body’s complete orbit around another body is（）.
A crew member is having an epileptic convulsion. You should（）.
A casualty report of an intentional grounding of a ship is required under what condition?（）
A celestial body will cross the prime vertical circle when the latitude is numerically（）.
A crew member has suffered frostbite to the toes of the right foot. Which is NOT an acceptable first aid measure?（）
A chain bridle is used when towing astern because it（）.
A tonnage tax is levied according to the（）.
A “l(fā)oose” tow may cause all of the following EXCEPT（）.
A chart with a natural scale of 1:160，000 is classified as a（）.
A “spring line” is（）.