When used to fight fire,carbon dioxide().
- Ais effective if used promptly on an oil fire
- Bhas a greater cooling effect than water
- Cis lighter than air
- Dis harmless to cargo and crew
When used to fight fire,carbon dioxide().
1、When fighting an oil or gasoline fire
When fighting an oil or gasoline fire in the bilge,which of the following should NOT be used?()AFoamBSolid stream water nozzleCAll-purpose nozzleDCarbon dioxide
2、When using carbon dioxide to fight a f
When using carbon dioxide to fight a fire on a bulkhead,the CO2 should be applied().Afirst to the bottom of the flaming area,sweeping from...
3、When fighting an electrical fire, you
When fighting an electrical fire, you should first ().Astop ventilation to the areaBstop the vesselCsecure electricity to the circuitDapply CO2 to the fire
4、A carbon dioxide fire extinguisher has
A carbon dioxide fire extinguisher has been partially discharged, and should be immediately ().Atagged and restowed properly in its rackBweighed...
5、As compared to carbon dioxide,dry chem
As compared to carbon dioxide,dry chemical has which advantage?()ACleanerBEffective on metal firesCGreater rangeDMore cooling effect
6、Carbon dioxide flooding system is used
Carbon dioxide flooding system is used for extinguishing fires because it reduces the concentration of oxygen in the air to().Aflashing pointBcombustion pointCauto-ignition pointDlower explosive limit