单项选择题

Why is it necessary to warn engine room personnel before activating the fixed CO₂ system?（）

A.To make them aware there is a fire
B.To let them know they should leave the engine room
C.To prevent possible injury from frostbite
D.To make them aware that ventilation will automatically stop

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单项选择题

The lowest temperature at which a liquid gives off enough vapor to ignite in the presence of an ignition source is called its （）.

A.boiling point
B.flash point
C.viscosity point
D.toxic point

单项选择题

An example of class "A" fire is a/an （）.

A.electrical fire in the engine room
B.oil fire in the engine room bilges
C.oil fire involving a grade "A" petroleum product
D.mattress fire in a stateroom

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The most common type of containment device for spilled oil on the water is the use of （）.

A.straw
B.booms
C.skimmers
D.chemical dispersants

Why is it necessary to warn engine room personnel before activating the fixed CO2 system?（）

相关考题

Why is it necessary to warn engine room personnel before activating the fixed CO₂ system?（）