A.fuel tanks
B.spark plugs
C.carburetors
D.distributors
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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
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Convection spreads a fire by（）.
Each hand portable fire extinguisher must be marked with（）.
Before a tank is to be crude oil washed，the oxygen content in the tank must be measured at a position（）.
Controls for a fixed carbon dioxide system shall be mounted（）.
Control of flooding should be addressed（）.
Dry chemical extinguishers extinguish class B fires to the greatest extent by（）.
Each fire hose coupling on a ship must have threads that meet the specifications of the（）.
Due to the hazards involved with Halon extinguishers on a ship，the size II extinguisher may only be used（）.
A fire pump may be used for other purposes if（）.
A fire main system must have enough fire hydrants so that each accessible space may be sprayed with（）.