单项选择题
Frapping lines are fitted to lifeboat davits to（）.
A.reduce the swinging of the lifeboat as it is being lowered from the embarkation level
B.secure the lifeboat in the davits when in the stowed position
C.hold the lifeboat to the ship's side until the tricing lines are passed
D.be used as a safety line in an emergency
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相关考题
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单项选择题
Fire fighting equipment requirements for a particular vessel may be found on the（）.
A.Certificate of Inspection
B.Certificate of Seaworthiness
C.Classification Certificate
D.Certificate of Registry -
单项选择题
Each open lifeboat carried on a vessel on an international voyage must have（）.
A.hand-propelling gear
B.a davit span with at least 2 lifelines
C.a mast and a sail
D.a motor -
单项选择题
Each lifeboat must be lowered and maneuvered in the water at least once every（）.
A.2 months
B.3 months
C.4 months
D.5 months
