A.the falls from unhooking if the releasing gear is operated accidentally while the boat is being lowered
B.operation of the release lever until the boat is waterborne
C.the falls from rehooking after they have been released
D.accidental unhooking when the falls become slack
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A.be painted bright red
B.be secured to a permanent part of the lifeboat structure
C.have the area surrounding the lever painted white
D.All of the above
A.increasing the righting moment
B.decreasing the vessel's displacement
C.increasing the reserve buoyancy
D.shifting the CG (center of gravity) off center
A.for the saving of life
B.for fire-fighting
C.for mooring purpose
D.for towing purpose
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The device that allows a floating ship to sway without bending the marine riser system is the（）.
The backup system on an electric start survival craft is a（）.
The grab rail of a metal lifeboat is normally located（）.
Limit switches（）.
The depth over a shallow patch，（）about 1．5 miles southeastward of Nanshan Tou lighthouse，reduces to 8 meters.
The MOST important element in administering CPR is（）.
The Master or person in charge of a ship shall insure that each deck from which lifeboats are launched is（）.
The minimum amount of lifesaving equipment required aboard an 85-foot uninspected towing vessel consists of（）.
In order for combustion to occur inside a piping system such as a vapor collection header in a marine emmission control system，there must be（）.
The MINIMUM acceptable size for a towing bridle would be that size in which the safe working load (SWL) of each leg of the bridle is equal to（）.