A.is not an effective agent on Class B fires
B.does little or no cooling
C.dissipates quickly
D.is rapidly absorbed by the liquid
您可能感興趣的試卷
你可能感興趣的試題
A.all vessels，regardless of size and commercial application
B.any barge or ship constructed or operated in such a manner that no oil in any form can be carried aboard
C.an oil tanker of 150 gross tons and above，or other ship of 400 gross tons and above
D.an oil tanker of 400 gross tons and above，or other ships of 150 gross tons and above
A.increase the trim
B.increase ship stability
C.cause a serious list
D.decrease the heeling moment
A.Fire team
B.Rescue team
C.Emergency team
D.Control team
最新試題
Which precaution should be taken when testing a line throwing gun?（）
Where should life jackets be stowed?（）.
Which extinguishing agent is recommended in the Chemical Data Guide for use on a carbon disulfide fire?（）
When water is used to fight a fire on board a ship，the effect of the weight of the water must be taken into account. How much sea water will increase the weight displacement by one ton?（）
Which extinguishing agent is best for use on a magnesium fire?（）
Which item is NOT included in the fireman’s outfit on a cargo vessel?（）
When should a fire be ventilated?（）
Which extinguishing agent is the best for use on electrical fires?（）
Which action is routinely performed at the annual servicing and inspection of a dry-chemical cartridge-operated portable fire extinguisher?（）
Which characteristic of Halon is a disadvantage when it is used as a fire extinguishing medium?（）