A.control the descent rate of a lifeboat
B.control the ascent rate of a lifeboat
C.cut off power to the winch when the lifeboat nears the final stowed position
D.cut off power to the winch when the lifeboat reaches the davit bumpers
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A.kept in a locker
B.secured at each end of the boat with a lanyard
C.kept next to the boat coxswain
D.kept in the emergency locker on the ship and brought to the lifeboat when needed
A.thirsty
B.sick or injured
C.wet
D.awake
A.on the lee side
B.on the windward side
C.with the wind dead ahead
D.with the wind from astern
A.the top 2-1/2 inches of each side
B.the releasing gear lever
C.the fuel tanks
D.the thwarts
A.fuel
B.oxygen
C.ignition
D.All of the above
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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（）.
Sign(s) of respiratory arrest requiring artificial respiration is(are)（）.
The depth over a shallow patch，（）about 1．5 miles southeastward of Nanshan Tou lighthouse，reduces to 8 meters.
The FIRST treatment for a surface burn is to（）.
In the first 24 hours after abandoning a vessel，water should be given only to personnel who are（）.
The device that allows a floating ship to sway without bending the marine riser system is the（）.
The grab rail of a metal lifeboat is normally located（）.
The bottom row of plating next to the keel of a lifeboat is known as the（）.
For use as protection from gas leaking from a refrigeration unit，each ship must be equipped with a（）.
The minimum concentration of a vapor in air which can form an explosive mixture is called the（）.