A.oars
B.sail
C.boat plug
D.life preservers
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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
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
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（）.
If you are forced to abandon ship in a lifeboat，you should（）.
The functioning of the radiotelegraph installations for motor lifeboats and/or the portable radio apparatus for survival craft，if provided，（）with the provisions of the regulations.
When landing a lifeboat through heavy surf with a strong current running parallel to the beach (from right to left when facing from seaward) the recommended procedure is to（）.
When a man who has fallen overboard is being picked up by a lifeboat，the boat should approach with the wind（）.
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 operating cord on an inflatable liferaft should be renewed by（）.
Most covered lifeboats will right themselves after capsizing if the（）.
Most lifeboats are equipped with（）.
The signal given to commence lowering the lifeboats is（）.