单项选择题

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

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单项选择题

A.main switchboard
B.engine room bilge
C.breathing compartment
D.electric fresh water transfer pump

单项选择题

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

单项选择题

A.IMO
B.CCS
C.USCG
D.PICC