单项选择题
Signaling devices required on inflatable liferafts include a(n) （）.
A.Very pistol
B.orange smoke signal
C.air horn
D.lantern
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相关考题
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单项选择题
Prior to entering a davit-launched liferaft，you should make sure that（）.
A.the liferaft is well ventilated of excess carbon dioxide
B.all personnel have removed their life preservers to facilitate boarding
C.the door flap has been cut away and stowed inside the raft
D.All of the above -
单项选择题
Prior to boarding from a vessel，a davit-launched liferaft should be well ventilated of excess（）.
A.hydrocarbon gas
B.carbon monoxide gas
C.carbon dioxide gas
D.freon gas -
单项选择题
Personnel boarding a davit-launched liferaft from a ship should be checked to assure they are not in possession of or wearing（）.
A.oil stained shoes or clothing
B.sharp objects that may puncture or damage the liferaft
C.matches or cigarette lighters
D.drugs or paraphernalia not approved by a medical doctor
