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
最新試題
If help has not arrived in 10-12 hours after you abandon a vessel in a survival craft，you should（）.
The device that allows a floating ship to sway without bending the marine riser system is the（）.
The object of plugging holes below the waterline on a ship should be to（）.
The minimum concentration of a vapor in air which can form an explosive mixture is called the（）.
The bottom row of plating next to the keel of a lifeboat is known as the（）.
The lifeboat releasing gear lever should be marked with the words（）.
The MOST important element in administering CPR is（）.
On an oceangoing vessel，for each person a lifeboat (without desalting kits) is certified to carry，the boat must be supplied with（）.
For use as protection from gas leaking from a refrigeration unit，each ship must be equipped with a（）.
The danger associated with using carbon dioxide in an enclosed space is（）.