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
What is placed on the under side of an inflatable liferaft to help prevent it from being skidded by the wind or overturned?（）
PULL THE STRINGS AROUND YOUR WAIST AND TIE IN FRONT. This description is likely used in（）.
When launching a lifeboat，the tricing pennants should be released（）.
Most lifeboats are equipped with（）.
The water pockets located on the underside of inflatable liferafts（）.
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.
Prior to lowering the lifeboat，the most important item to check is the（）.
In evacuation from a ship，an individual without the option of a survival craft or liferaft should enter the water on the leeward side，except when（）.
When should you use distress flares and rockets?（）
Two individuals authorized to serve as a lifeboatman must be assigned to any lifeboat that has a capacity of more than（）.