单项选择题
On a lifeboat equipped with Rottmer-type releasing gear，turning the releasing lever releases（）.
A.the painter
B.the after boat fall only if the boat is waterborne
C.both falls at the same time only if the boat is waterborne
D.both falls at the same time even if the boat has not reached the water
相关考题
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单项选择题
Number 3 lifeboat would be（）.
A.the forward boat on the starboard side
B.behind boat number 1 on the port side
C.behind boat number 1 on the starboard side
D.behind boat number 2 on the port side -
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 -
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
