单项选择题
Frapping lines are fitted to lifeboat davits to（）.
A.secure the lifeboat in the davits when in the stowed position
B.bring the lifeboat close along the rail in the embarkation position
C.give the occupants a safety line when the boat is being lowered from the embarkation level
D.reduce the swinging of the lifeboat at the embarkation level
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相关考题
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单项选择题
If you hear more than six short blasts and one long blast of the whistle supplemented by the same signal on the general alarm，you should（）.
A.start the fire pump
B.go to your man overboard station
C.go to your lifeboat station
D.stand by for collision -
单项选择题
Line throwing equipment should not be operated（）.
A.during a rain storm
B.in an explosive atmosphere
C.near a lifeboat station
D.by other than licensed officers -
单项选择题
When launching a lifeboat in the rough sea，the davit gears should be released（）.
A.before the boat is lowered from the stowed position
B.as the boat fall blocks break clear of the davit head
C.before the boat is lowered from the embarkation level
D.after the boat is released into the water
