单项选择题

If a CO₂ fire extinguisher is not readily available, which of the listed fire extinguishers would be best suited to combat a small electrical fire in a switchboard?（）

A.Dry chemical
B.Halon
C.Low velocity fog
D.Steam

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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

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

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

If a CO2 fire extinguisher is not readily available, which of the listed fire extinguishers would be best suited to combat a small electrical fire in a switchboard?（）

相关考题

If a CO₂ fire extinguisher is not readily available, which of the listed fire extinguishers would be best suited to combat a small electrical fire in a switchboard?（）