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
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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
A.be a stopper
B.shorten a line
C.join lines of equal size
D.keep a line from passing through a sheave
A.there are fifteen pounds of CO2 in the container
B.the container，when full，weighs fifteen pounds
C.the pressure at the discharge nozzle is l5 psi
D.the empty container weighs fifteen pounds
最新試題
A “check” line is（）.
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 crew member is having an epileptic convulsion. You should（）.
A continuous watertight bulkhead on a ship is normally also a(n)（）.
A common class of wire rope used for mooring is the 6x19 class. What does the 6 represent?（）
A casualty report of an intentional grounding of a ship is required under what condition?（）
A vessel’s quarter is that section which is（）.
A “full service” Loran-C receiver will provide（）.
A tonnage tax is levied according to the（）.