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 CO2 extinguisher on a ship which has lost 10% of its charge must be（）.
A celestial body will cross the prime vertical circle when the latitude is numerically（）.
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 copy of the Articles of Agreement，less the signatures，is required to be posted. This document is called the（）.
A chain bridle is used when towing astern because it（）.
A casualty report of an intentional grounding of a ship is required under what condition?（）
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 “l(fā)iner” in riveted construction of a vessel is a(n) （）.
A “reaching” course is one in which the wind（）.
A “check” line is（）.