單項(xiàng)選擇題

Fire may be spread by which means?（）.

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

你可能感興趣的試題

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

單項(xiàng)選擇題

Fire hose should be washed with（）.

A.salt water and a wire brush
B.caustic soap
C.mild soap and fresh water
D.a holystone

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Fire may be spread by which means?（）.

你可能感興趣的試題

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

Fire hose should be washed with（）.

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