单项选择题
A.Dry chemical B.Halon C.Low velocity fog D.Steam
You hear the general alarm bells and ships whistle soun...
单项选择题You hear the general alarm bells and ships whistle sound for over 10 secondsTraditionally, this is the signal for （）.
A.abandon ship B.dismissal from drills C.fire and emergency D.lower lifeboats
The abandon ship signal sounded by the vessels whistle ...
单项选择题The abandon ship signal sounded by the vessels whistle is （）.
A.6 short blasts and 1 long blast B.long blast mare than 6 short blasts C.more than 6 short blasts and 1 long blast D.1 long blast of at least 10 seconds
If you have to abandon ship and enter a life-raft, your...
单项选择题If you have to abandon ship and enter a life-raft, your main course of action should be （）.
A.remain in the vicinity of the vessel B.head for the closest land C.head for the closest sea-lanes D.get a majority opinion
