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
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
A.Under any condition
B.If the grounding lasts over 24 hours
C.If it creates a hazard to the environment
D.At the owner's discretion
A.bifurcation
B.fish net area
C.anchorage area
D.dredging area
A.blocks have been overhauled
B.hauling parts of two tackles are attached
C.hauling part leads through the movable block
D.hauling part leads through the standing block
A.actual total loss
B.constructive total loss
C.general average
D.particular average
最新试题
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 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 “Mediterranean moor” should be used when().
A chain bridle is used when towing astern because it().
A “reaching” course is one in which the wind().
A continual worsening of the list or trim of any floating ship indicates().
A “sheepshank” is used to().
A CO2 extinguisher on a ship which has lost 10% of its charge must be().
A backlash below a lock is defined as a().