單項選擇題

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

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

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單項選擇題

Fire extinguishers used on ship’s are numbered by size I through V，with I being（）.

A.used for electrical fires only
B.the smallest
C.the most accessible
D.the most effective

單項選擇題

Fire dampers prevent the spread of fire by（）.

A.convection
B.conduction
C.radiation
D.direct contact

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

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Fire extinguishers used on ship’s are numbered by size I through V，with I being（）.

Fire dampers prevent the spread of fire by（）.

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