A、fire hose might be damaged by cargo operations
B、vessel is in port
C、fire-main system is not charged
D、fire pumps are used for purposes other than supplying water to the fire main
更多“A fire hose with a nozzle attached must be connected to each hydrant except when exposed to heavy weather or when the（）.”相关的问题
A、secure all openings to the tank B、discharge an initial charge of CO
A、use different fire hose pressures B、use fire hoses of different sizes C、not attack the fire from opposite sides D、not wear protective clothing
A、cover the area with foam B、cover the area with absorbent material C、wash down immediately with a fire hose D、wash down immediately with an oil dispersing solvent
A、cross connection line between two main fire lines B、special wrench for the couplings in a fire hose line C、tackle rigged to support a fire hose D、none of the above
A、cross connection line between two main fire lines B、special wrench for tightening couplings in a fire hose line C、tackle rigged to support a fire hose D、None of the above
A、A.cross connection line between two main fire lines B、B.special wrench for the couplings in a fire hose line C、C.tackle rigged to support a fire hose D、D.None of the above
A、wash down the area immediately with a fire hose B、wash down the area with kerosene C、cover the area with absorbent material D、cover the area with foam
A、salt water and a wire brush B、caustic soap C、mild soap and fresh water D、a holystone
A、American Petroleum Institute B、National Standard Fire hose Coupling C、American Society of Mechanical Engineers D、Underwriter's Laboratories，Inc
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