A.refractory
B.the screen wall
C.the water wall
D.fire plate
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A.the accumulation of explosive gases
B.faster cooling of the fire
C.the fire to spread through the ventilation system
D.fixed foam systems to be ineffective
A.must be fixed if the vessel exceeds 12 meters in length
B.may be used as a fire pump
C.must be portable if there are more than 4 watertight compartments
D.must be capable of pumping at least 450 gpm
A.remove oxygen from the area
B.cool fuel below ignition temperature
C.smother with CO2
D.smother fire with foam
A.spray directly on the base of the fire
B.flow the foam down a nearby vertical surface
C.sweep the fire with the foam
D.spray directly on the surface of the fire
A.incapable of supporting combustion because the hydrocarbon content is below the LFL (Lower Flammable Limit)
B.capable of supporting combustion because the hydrocarbon content is above the UFL (Upper Flammable Limit)
C.capable of supporting a fire once started
D.not safe for ballasting
最新試題
Portable CO2 fire extinguishers should NOT be used to inert a space containing flammable liquids due to the danger of（）.
The bilge pump on a fishing vessel（）.
On a ship，a fire drill shall be conducted once every（）.
Lifesaving regulations require that a fire drill include（）.
Radiation spreads a fire by（）.
The collision bulkhead shall be of（）.
Small quantities of flammable liquids needed at a work site should be（）.
Removing which will extinguish a fire?（）.
One advantage of the all-purpose nozzle is that it（）.
The carrier is liable for loss of or damage to the goods or delay in delivery caused by fire，（）the claimant proves that the fire arose from fault or neglect on the part of the carrier，his servants or agents.