单项选择题

Most lifeboats are equipped with（）.

A.unbalanced rudders
B.balanced rudders
C.contraguide rudders
D.straight rudders

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单项选择题

Most covered lifeboats will right themselves after capsizing if the（）.

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

单项选择题

In launching a lifeboat，when should the tricing pendants be released?（）.

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

单项选择题

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（）.

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