A.cooling
B.smothering
C.chemical action
D.All of the above
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A.a tug comes alongside while the tanker is loading grade D and E cargoes
B.a large,fresh oil spill is discovered immediately adjacent to the side of the tanker
C.there is an electrical storm in the vicinity
D.there is a fire on the dock or on a nearby vessel
A.fixed foam systems to be ineffective
B.faster cooling of the fire
C.the accumulation of explosive gases
D.the fire to spread through the ventilation system
A.secure the engine room ventilation
B.secure the machinery in the engine room
C.evacuate all engine room personnel
D.All of the above
A.immediately above the level of the oil
B.at the top of the tank
C.in the vent riser
D.one meter from the deck
A.fuel tanks
B.spark plugs
C.carburetors
D.distributors
A.remotely operated valves
B.fusible links
C.C02 system pressure switches
D.heat or smoke detectors
A.remote operated valve
B.fusible link
C.CO2 system pressure switch
D.heat or smoke detector
A.accumulation of carbon dioxide gas that chokes the battery
B.accumulation of explosive and toxic gases the battery can generate
C.mildew or dry rot in the battery box
D.battery failure including battery case meltdown caused by excessive heat
A.Paints,varnish,or other liquid flammables are stowed in a dry stores locker
B.Inert cargoes such as pig iron are loaded in a wet condition
C.Oily rags are stowed in a metal pail
D.Clean mattresses are stored in contact with an electric light bulb
A.the other services are run off a reducing station with a pressure gage
B.one of the required pumps is kept availabe for use on the fire main system at all times
C.no relief valves are installed
D.all of the above conditions are met
最新试题
Control of fire on a ship should be addressed().
Control of flooding should be addressed().
Each hand portable fire extinguisher must be marked with().
CO2 extinguishes a fire by().
Convection spreads a fire by().
Each fire hydrant must have at least one spanner and at least one().
On a hydrocarbon flammability chart the line which extends from 0% to 21.8% oxygen,lying tangent to the flammability range,is called the().
A fire pump may be used for other purposes if().
Before using a fixed CO2 system to fight an engine room fire,you must().
Dry chemical fire extinguishers are effective on which type(s) of fire?()