单项选择题
Limit switches（）.
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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相关考题
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单项选择题
Lifeboat hatchets should be（）.
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 -
单项选择题
In the first 24 hours after abandoning a vessel，water should be given only to personnel who are（）.
A.thirsty
B.sick or injured
C.wet
D.awake -
单项选择题
In rough weather，when a ship is able to maneuver，it is best to launch a lifeboat（）.
A.on the lee side
B.on the windward side
C.with the wind dead ahead
D.with the wind from astern
