單項選擇題

After extinguishing a paint locker fire using the fixed CO₂ system，the next action is to have the space（）.

A.opened and burned material removed
B.left closed with vents off until all boundaries are cool
C.checked for oxygen content
D.doused with water to prevent reflash

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單項選擇題

After extinguishing a fire with CO₂，it is advisable to（）.

A.use all CO₂ available to cool the surrounding area
B.stand by with water or other agents
C.thoroughly ventilate the space of CO₂
D.jettison all burning materials

單項選擇題

According to the regulations，what fire safety control feature is required in quick-closing shut off valves?（）

A.Electrical cut off switch
B.A fusible link
C.Manual cut off switch
D.A water spray actuator

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After extinguishing a paint locker fire using the fixed CO2 system，the next action is to have the space（）.

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After extinguishing a fire with CO2，it is advisable to（）.

According to the regulations，what fire safety control feature is required in quick-closing shut off valves?（）

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After extinguishing a paint locker fire using the fixed CO₂ system，the next action is to have the space（）.

After extinguishing a fire with CO₂，it is advisable to（）.

According to the regulations，what fire safety control feature is required in quick-closing shut off valves?（）