A.fix
B.estimated position
C.dead reckoning position
D.running fix
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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
A.greater than the declination and both are of the same name
B.less than the declination and both are of the same name
C.greater than the declination and both are of contrary name
D.less than the declination and both are of contrary name
最新試題
A “reaching” course is one in which the wind（）.
A “fifteen-pound” CO2 extinguisher is so called because（）.
A continual worsening of the list or trim of any floating ship indicates（）.
A crew member is having an epileptic convulsion. You should（）.
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 chart with a scale of 1:80，000 would fall into the category of a（）.
A chain bridle is preferable to a wire rope towing bridle on a long ocean tow because chain（）.
A CO2 extinguisher on a ship which has lost 10% of its charge must be（）.
A common class of wire rope used for mooring is the 6x19 class. What does the 6 represent?（）