单项选择题

Fixed CO₂ systems would not be used on crew’s quarters or（）.

A.the paint locker
B.spaces open to the atmosphere
C.cargo holds
D.the engine room

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单项选择题

Firefighting foam is only effective when the foam（）.

A.penetrates to the bottom of the fire
B.is kept saturated with low-velocity water fog
C.mixes with the burning fuel oil
D.completely covers the top of the burning liquid

单项选择题

Fire may be spread by which means?（）.

A.Conduction of heat to adjacent surfaces
B.Direct radiation
C.Convection
D.All of the above

单项选择题

Fire in an engine compartment is best extinguished with carbon dioxide gas (CO₂) and by（）.

A.closing the compartment except for the ventilators
B.completely closing the compartment
C.leaving the compartment open to the air
D.increasing the air flow to the compartment by blowers

Fixed CO2 systems would not be used on crew’s quarters or（）.

相关考题

Fixed CO₂ systems would not be used on crew’s quarters or（）.