单项选择题
Fire detecting systems on merchant vessels may be arranged to sense ().
A.smoke
B.rate of temperature rise
C.ionized particles
D.all of the above
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相关考题
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On a tank vessel, which of the following substances would be burning in a class "B" fire?()
A.Oil
B.Wood
C.Rags
D.Electrical wiring -
单项选择题
A class "B" fire would most likely occur in the ().
A.main switchboard
B.engine room bilge
C.breathing compartment
D.electric fresh water transfer pump -
单项选择题
The International Oil Pollution Prevention Certificate is valid for a period of ().
A.one year from the date of issue
B.two years from the date of issue
C.three years from the date of issue
D.four years from the date of issue
