A.remote operated valve
B.fusible link
C.CO2 system pressure switch
D.heat or smoke detector
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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
A.when using an indirect attack on the fire such as flooding with water
B.to prevent the gases of combustion from surrounding the firefighters
C.to minimize heat buildup in adjacent compartments
D.if compressed gas cylinders are stowed in the compartment on fire
A.a low velocity spray applicator
B.a water spray or solid stream
C.at least two spray patterns of water
D.at least 25 psi delivered pressure
最新試題
During a training exercise a submarine indicating that a torpedo has been fired will send up smoke from a float. The smoke’s color will be（）.
A fire in electrical equipment should be extinguished by using（）.
Before a tank is to be crude oil washed，the oxygen content in the tank must be measured at a position（）.
During a fire drill on a ship，what action is required?（）
Cargo transfer operations on a tanker need NOT be stopped when（）.
A fire starting by spontaneous combustion can be expected in which condition?（）.
Dry chemical extinguishers extinguish class B fires to the greatest extent by（）.
Each fire pump on a ship must have a pressure gauge located at（）.
Control of flooding should be addressed（）.
Each fireman’s outfit and its spare equipment on a vessel must be stowed（）.