A.keep a line from fraying
B.join lines of unequal size
C.stop off a line
D.shorten a line
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A.comes directly over the bow
B.comes directly over the stern
C.comes over an area extending from broad on the bow to the quarter
D.has no effect on the vessel
A.when anchoring in the Mediterranean
B.when docking stern to a berth
C.when docking bow to a berth
D.when anchoring in a strong current
A.loss of maneuverability
B.lines to part
C.damage to the towing vessel and tow
D.a saving in the transit time
A.small plate which fills the aperture between riveted strakes and the vessel framing
B.backing plate which is used to level the strakes while riveting，and then removed
C.internal frame to which the side shell is riveted
D.seam that is welded after riveting is completed
A.matching pulse rates of at least 20 stations
B.an automatic on-and-off switch
C.a horizontal matching of all delayed hyperbolic signals
D.automatic signal acquisition and cycle matching
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A “fifteen-pound” CO2 extinguisher is so called because（）.
A chain bridle is preferable to a wire rope towing bridle on a long ocean tow because chain（）.
A ballasted vessel sinks enroute to a dry dock. Under these circumstances，the vessel’s owner can claim（）.
A “check” line is（）.
A block and tackle is “rove to advantage”. This means that the（）.
A crew member is having an epileptic convulsion. You should（）.
A chart with a scale of 1:80，000 would fall into the category of 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 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 “full service” Loran-C receiver will provide（）.