A.azimuthal gnomonic projection
B.Lambert conformal projection
C.transverse Mercator projection
D.polyconic projection
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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
A.a rotation
B.a revolution
C.space motion
D.nutation
最新試題
A block and tackle is “rove to advantage”. This means that the（）.
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 tonnage tax is levied according to the（）.
A ballasted vessel sinks enroute to a dry dock. Under these circumstances，the vessel’s owner can claim（）.
A “fifteen-pound” CO2 extinguisher is so called because（）.
A chart position enclosed by a square is a(n)（）.
A “sheepshank” is used to（）.
A common class of wire rope used for mooring is the 6x19 class. What does the 6 represent?（）
A crew member is having an epileptic convulsion. You should（）.
A “figure eight” knot is used to（）.