单项选择题
If an inflatable liferaft is overturned，it may be righted by（）.
A.filling the stabilizers on one side with water
B.releasing the CO2 cylinder
C.pushing up from under one end
D.standing on the inflating cylinder and pulling on the straps on the underside of the raft
相关考题
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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 -
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
