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
您可能感興趣的試卷
你可能感興趣的試題
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 number of flashlights required as lifeboat equipment on a seagoing barge is（）.
The knife on an inflatable liferaft will always be located（）.
If water is rising in the bilge of a lifeboat，you should FIRST（）.
In launching a lifeboat，when should the tricing pendants be released?（）.
The order to enter the lifeboats will be given from the（）.
Which of following data is NOT painted on the bow of a lifeboat?（）.
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（）.
On open lifeboats，the purpose of the wire stretched between the davit heads is to（）.
If the steersman of your lifeboat gives the command Way enough，you should（）.