A.remotely operated valves
B.fusible links
C.C02 system pressure switches
D.heat or smoke detectors
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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
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
最新試題
A fire in electrical equipment should be extinguished by using（）.
According to the T-Boat regulations the reason for providing adequate ventilation for a battery storage area is to prevent（）.
Each hand portable fire extinguisher must be marked with（）.
Each fire hose coupling on a ship must have threads that meet the specifications of the（）.
Blocking open or removing fire dampers can cause（）.
On a hydrocarbon flammability chart the line which extends from 0% to 21.8% oxygen，lying tangent to the flammability range，is called the（）.
Due to the hazards involved with Halon extinguishers on a ship，the size II extinguisher may only be used（）.
A fire must be ventilated（）.
Control of flooding should be addressed（）.
A fire main system must have enough fire hydrants so that each accessible space may be sprayed with（）.