單項選擇題

Flames from small leaks of LFG may be extinguished by（）.

A.utilizing carbon dioxide or dry chemical fire extinguishers
B.utilizing soda and acid fire extinguishers
C.blowing the flames out
D.letting it burn itself out

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單項選擇題

Flame screens are used to（）.

A.contain flammable fumes
B.protect firefighters from flames
C.prevent flames from entering tanks
D.keep flames and sparks from getting out of an engine's exhaust system

單項選擇題

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

Flames from small leaks of LFG may be extinguished by（）.

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Flame screens are used to（）.

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

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