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
PULL THE STRINGS AROUND YOUR WAIST AND TIE IN FRONT. This description is likely used in（）.
When whistle signals are used for launching lifeboats，one short blast means（）.
When launching a lifeboat，the tricing pennants should be released（）.
In launching a lifeboat，when should the tricing pendants be released?（）.
The water pockets located on the underside of inflatable liferafts（）.
Which operation should be done when launching an inflatable liferaft by hand?（）
What is placed on the under side of an inflatable liferaft to help prevent it from being skidded by the wind or overturned?（）
Prior to lowering the lifeboat，the most important item to check is the（）.
Most covered lifeboats will right themselves after capsizing if the（）.
The order to enter the lifeboats will be given from the（）.