单项选择题
If an inflatable liferaft inflates upside down，you can right it by（）.
A.pushing up on one side
B.standing on the CO2 bottle，holding the bottom straps，and throwing your weight backwards
C.getting at least three or four men to push down on the side containing the CO2 cylinder
D.doing nothing; it will right itself after the canopy supports inflate
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相关考题
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单项选择题
How should signal flares be used after you have abandoned ship and are adrift in a liferaft?（）.
A.Immediately use all the signals at once
B.Use all the signals during the first night
C.Employ a signal every hour after abandoning ship until they are gone
D.Use them only when you are aware of a ship or plane in the area -
单项选择题
Generally，what is used to inflate liferafts?（）.
A.non-toxic gas
B.Oxygen
C.Hydrogen
D.Helium -
单项选择题
Each liferaft，which does not have an indicated maximum stowage height indicated on the liferaft，must be（）.
A.limited to carry no more than 10 persons
B.stowed not more than 59 feet above the lightest waterline
C.stowed in quick release racks
D.inspected every six months
