A.Factor of safety
B.Number of wires per strand
C.Number of strands per wire rope
D.Number of wires in the core
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A.used at the earliest opportunity
B.hydro-tested
C.recharged
D.weighed again in one month
A.sailing chart
B.general chart
C.coastal chart
D.harbor chart
A.sailing chart
B.general chart
C.coast chart
D.harbor chart
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
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A chart position enclosed by a square is a(n)（）.
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 backlash below a lock is defined as a（）.
A conscious victim who has suffered a blow to the head has symptoms that indicate the possibility of concussion. If the patient feels no indication of neck or spine injury，recommended treatment would include（）.
A “reaching” course is one in which the wind（）.
A chain bridle is preferable to a wire rope towing bridle on a long ocean tow because chain（）.
A VLCC (100，000 DWT+) with a 30，000 Shaft Horsepower Steam Turbine is slow to respond to engine movements and has less stopping power than normal ships because it has a（）.
A ballasted vessel sinks enroute to a dry dock. Under these circumstances，the vessel’s owner can claim（）.
A chart with a natural scale of 1:160，000 is classified as a（）.
A chain bridle is used when towing astern because it（）.