单项选择题

A class "C" fire is burning （）.

A.diesel oil
B.magnesium
C.dunnage
D.electrical insulation

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单项选择题

A class "C" fire would occur in （）

A.bedding
B.pipe insulation
C.paint
D.a generator

单项选择题

A class "C" fire would most likely occur in the （）.

A.engine room bilges
B.main switchboard
C.paint locker
D.rag bin

单项选择题

The scuppers should be plugged （）.

A.only if fixed containment is not used
B.only if portable containment is not used
C.only if fixed containment drains are open
D.whenever the vessel is being bunkered