A.keep the movement of the davits at the same speed
B.keep the davits from slipping when they are in the stowed position
C.prevent vibration during lowering of the boat
D.support the manropes
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A.ring life buoy
B.lifeboats
C.lifeboat oars
D.All of the above
A.unbalanced rudders
B.balanced rudders
C.contraguide rudders
D.straight rudders
A.passengers are strapped to their seats
B.fuel tanks are not less than half full
C.sea anchor is deployed to windward
D.lower ballast tanks are filled with water
A.Before the boat is lowered from the stowage position
B.As soon as the boat-fall blocks clear the davit head
C.After the limit switch is activated
D.After all people have been embarked
A.there is burning oil on the water
B.there is a rescue craft in the area
C.water temperature is below 40°F
D.a rigid survival craft is in the area
最新試題
Two individuals authorized to serve as a lifeboatman must be assigned to any lifeboat that has a capacity of more than（）.
The Master of a cargo or tanker shall be responsible that each lifeboat，except those free-fall launched，is lowered to the water with crew and maneuvered at least once every（）.
The signal given to commence lowering the lifeboats is（）.
The lifeboats and liferafts were（）with the provisions of the regulations annexed to the Convention.
The number of flashlights required as lifeboat equipment on a seagoing barge is（）.
Most lifeboats are equipped with（）.
PULL THE STRINGS AROUND YOUR WAIST AND TIE IN FRONT. This description is likely used in（）.
On a passenger vessel，the vessel’s name must appear on（）.
On open lifeboats，the purpose of the wire stretched between the davit heads is to（）.
How should the lifeboat sea painter be rigged?（）